Imagine you’re out, headphones on, and your device starts to run low on power. You need to listen to high-res audio and keep charging simultaneously—that’s a real pain without the right gear. I’ve tested dozens of USB OTG DACs, and one thing matters above all: clear, stable sound combined with reliable charging and data transfer. The 4-in-1 USB C to 3.5mm Headphone Audio Adapter 60W PD Fast impressed me with its premium DAC chip, delivering crisp, lossless audio that makes every detail stand out, even during long listening sessions.
Compared to others, it features a versatile 3.5mm jack, 60W fast charging, and a USB-A OTG port for data or peripherals—all in one compact unit. It’s plug-and-play with broad device compatibility and supports high-fidelity sound without lag. After thorough testing, I can confidently say this adapter offers the best balance of audio quality, charging speed, and file transfer — perfect for anyone wanting seamless multimedia on the go. Trust me, it truly worth your investment.
Top Recommendation: 4-in-1 USB C to 3.5mm Headphone Audio Adapter 60W PD Fast
Why We Recommend It: This model’s integrated high-resolution DAC ensures lossless, clear sound even at high volume, outperforming simpler cables like the okcsc DAC/OTG or TOOKSEEK variants. Its ability to provide 60W PD fast-charging while maintaining high-fidelity audio and supporting various peripherals via USB-A OTG makes it versatile and reliable for everyday use. Unlike some competitors, it handles multiple functions smoothly without sacrificing audio quality, making it the best all-in-one solution learned through real-world testing.
Best usb otg dac: Our Top 5 Picks
- 4-in-1 USB C to 3.5mm Headphone Audio Adapter 60W PD Fast – Best Value
- okcsc DAC/OTG Cable for FiiO K3, Khadas Tone 2 Pro – Best Premium Option
- USB-C to 3.5mm Audio Adapter with USB OTG & 60W PD Charging – Best for smartphones
- SHANLING L3 USB-C to L OTG DAC Adapter Cable for iOS Devices – Best portable USB OTG DAC
- COOLSELL OTG DAC Cable for Headphone Amplifier, USB C Audio – Best for Beginners
4-in-1 USB C to 3.5mm Headphone Audio Adapter 60W PD Fast
- ✓ High-res audio quality
- ✓ Supports fast charging
- ✓ Versatile OTG expansion
- ✕ No video transmission
- ✕ Doesn’t support USB-C headphones
| Audio Output | 3.5mm headphone jack supporting high-resolution, lossless audio |
| Power Delivery | Supports up to 60W PD fast charging for phones and tablets |
| Data Transfer Speed | Up to 480Mbps via USB-A port |
| OTG Compatibility | Supports USB flash drives, keyboards, mice, MIDI keyboards, USB microphones, and cameras |
| Built-in DAC | High-quality digital-to-analog converter for high-fidelity audio |
| Device Compatibility | Compatible with iPhone 16/15 series, iPad Pro/Air/Mini, Galaxy S24/S23/S22, and most Type-C devices |
Imagine you’re deep into a gaming session or a playlist, and suddenly your phone’s battery is running dangerously low. The moment I plugged in this 4-in-1 USB C to 3.5mm Headphone Audio Adapter, I immediately appreciated how seamlessly it combined multiple functions without the usual hassle.
The built-in DAC chip really lives up to the high-res audio promise. Music sounds crisp and clear, with zero static, even at higher volumes.
I also noticed the inline controls — volume, pause, and mic — work instantly, which makes managing calls and media smooth and frustration-free.
Its 60W PD fast-charging port feels like a lifesaver during long calls or streaming marathons. I could listen, transfer files, and charge all at once — no interruptions.
The OTG port also handled my USB drives, keyboard, and even a MIDI controller effortlessly, making it super versatile.
What surprised me was how easy it was to use — just plug and play. Compatibility with my Galaxy S24 and iPad Pro was flawless.
Just a few notes: it doesn’t support video or USB-C headphones, and it might not work with phones that already have a headphone jack.
All in all, this adapter packs a punch for anyone needing a reliable, multi-functional hub. It’s especially handy if you want to keep your device charged, listen to lossless audio, and transfer files without juggling multiple accessories.
okcsc DAC/OTG Cable for FiiO K3, Khadas Tone 2 Pro
- ✓ High-fidelity sound quality
- ✓ Plug and play ease
- ✓ Durable build
- ✕ Tight fit on some ports
- ✕ Less noticeable on compressed audio
| Connector Type | USB Type-C to USB Type-C |
| Cable Length | 120mm |
| Cable Diameter | 5mm |
| DAC Chip | Built-in high-performance DAC decoding chip (specific model not specified) |
| Supported Devices | Samsung Galaxy S21+/S21 Ultra/S20/S10/Note10, laptops, PCs, FiiO BTR series, HiBy FC3, Jade Audio KA1, and other Type-C devices |
| Sound Quality | High-fidelity, high-resolution audio with ultra-low distortion and noise reduction |
The moment I plugged in the okcsc DAC/OTG cable and listened to my favorite track, I was genuinely surprised by how vibrant and clear the sound became. It’s about that instant feeling of stepping into a world where every instrument and vocal detail shines through.
The cable’s sleek, compact design with a 120mm length feels sturdy yet lightweight, making it easy to carry around without bulk.
The high-purity silver-plated OCC wires immediately caught my attention. They deliver ultra-low distortion and noise-free audio, which makes a noticeable difference when compared to standard cables.
Connecting my Samsung Galaxy S21+ to my FiiO K3 was seamless—plug-and-play with no fuss. I appreciated how the cable supports both audio playback and charging, so I didn’t have to choose between listening and powering up my device.
The build quality is impressive; the double protection structure ensures durability even with frequent use. The high-fidelity sound really shines when streaming high-res files or playing through compatible decoders and music players.
Compatibility is broad, so whether you’re using a laptop, PC, or specific audio devices like the Khadas Tone 2 Pro, it performs reliably. It feels like a real upgrade for anyone serious about audio quality without breaking the bank.
That said, the cable’s compact size is great, but it might be a bit tight for some ports, especially if your device has thicker covers or cases. Also, while the sound quality is excellent, it’s primarily designed for high-res audio, so casual listeners may not notice much difference with compressed files.
USB-C to 3.5mm Audio Adapter with USB OTG & 60W PD Charging
- ✓ Clear, high-quality audio
- ✓ Supports 60W fast charging
- ✓ Combines multiple functions
- ✕ Microphone not supported
- ✕ Slightly bulky for ultra-slim phones
| Audio Output | Hi-Fi 3.5mm stereo with built-in DAC chip for clear, low-noise sound |
| Power Delivery | Supports up to 60W USB-C PD fast charging |
| Data Transfer Speed | Up to 480 Mbps via USB OTG port |
| Compatibility | Compatible with USB-C iPhone, Samsung Galaxy S series, Pixel, iPad Pro/Air, MacBook, Xiaomi, Huawei, and other USB-C devices |
| Ports | 3-in-1: 3.5mm headphone jack, USB-C charging port, USB OTG data port |
| Device Compatibility | Supports wired headphones, car AUX, peripherals like keyboard and mouse |
As I unboxed this tiny gadget, I immediately noticed how sleek and lightweight it is—just a few grams but packed with features. I was curious about how it would handle multiple tasks at once, especially since it combines a headphone jack, fast charging, and OTG data transfer all in one.
Plugging it into my USB-C port, I was impressed by how solid the build feels—no flimsy plastic here. It’s compact enough to toss in your pocket or bag, making it perfect for travel or daily commutes.
The 3.5mm audio output offers surprisingly clear and stable sound, even during longer listening sessions or gaming marathons. I tested it with my wired headphones, and the sound quality was noticeably better than basic adapters, thanks to the built-in DAC chip.
Using the 60W PD port while listening to music was seamless. I could charge my phone quickly without any drop in audio quality.
That’s a huge plus when you’re on the go and don’t want to worry about your battery dying mid-call or streaming. The OTG port also worked flawlessly with my flash drive and keyboard, turning my phone into a mini workstation within seconds.
Compatibility covers a wide range of devices—from iPhones and Samsung Galaxy phones to tablets and laptops. That versatility means you can rely on it across multiple gadgets.
Overall, it’s a smart little tool that solves several common frustrations—tangled wires, limited ports, and slow charging—without sacrificing quality or convenience.
SHANLING L3 USB-C to L OTG DAC Adapter Cable for iOS Devices
- ✓ Clear, natural sound
- ✓ Durable, flexible design
- ✓ Easy to connect and use
- ✕ Not for charging
- ✕ Needs careful handling
| Interface | USB-C to L OTG (On-The-Go) compatible with iOS devices |
| Cable Material | 8 strands of high-purity Bandung silver foil wire with 4 cores each |
| Signal Transmission | Pure, natural, and transparent sound quality with improved spatial imaging |
| Durability | Reinforced SR lengthened mesh end tested for repeated 90° bending without cracking |
| Compatibility | iPhone, iPad, iOS devices, and portable decoding amps/DACs (e.g., SHANLING UA2, UA3, UA5, UP5, H7) |
| Data Transfer Only | Not designed for charging, intended solely for audio data transfer |
The moment I pulled the SHANLING L3 out of the box, I was struck by its sleek, minimalistic design. The Type-C connector feels solid in hand, with a slightly textured surface that hints at durability.
The reinforced mesh end is reassuringly flexible, yet stiff enough to resist bending—something I tested repeatedly without any cracks or signs of wear.
Plugging it into my iPhone, I immediately noticed how snug and secure the connection was. The cable’s length feels just right—long enough to use comfortably without excess slack.
The silver foil wiring inside is visible if you look closely, and it instantly makes you appreciate the quality craftsmanship. The sound quality upgrade was noticeable right away, with clearer, more natural audio that felt richer and more spacious than my usual setup.
Using it with my portable DACs like the UA3, I experienced a marked improvement in sound imaging and detail. The natural transparency it provides really shines with high-resolution tracks.
I also appreciate that it’s designed for data transfer only, so no worries about accidental charging interruptions. Just a heads-up: handle it gently, especially when plugging and unplugging, to keep that connection pristine.
Customer support is attentive, and the one-year warranty adds peace of mind. It’s a simple yet effective upgrade for anyone looking to extract more from their iOS device’s audio.
At $24.99, it feels like a small investment for such noticeable gains in sound quality and reliability.
COOLSELL OTG DAC Cable for Headphone Amplifier, USB C Audio
- ✓ Crisp, detailed sound
- ✓ Stable, low-latency connection
- ✓ Flexible, tangle-free cable
- ✕ Slightly higher price point
| Audio Chip | Hi-Res grade audio decoding chip |
| Supported Protocols | OTG 3.0 for digital audio transfer |
| Compatibility | OTG-enabled USB-C devices and external audio gear (DACs, sound cards, mixers, headphone amplifiers) |
| Simultaneous Charging | Supports charging while in use |
| Cable Material | Soft silicone jacket for flexibility and noise reduction |
| Maximum Data Transfer Rate | Supports high-speed digital audio transfer (implied by OTG 3.0 standard) |
Ever try plugging your high-end headphones into your phone only to be met with crackling sound or annoying latency? That frustration drops the moment you connect the COOLSELL OTG DAC cable.
The moment I plugged it in, I immediately noticed how crisp and detailed the audio became—like switching from a blurry TV to a 4K screen.
The build feels solid without being bulky, and the soft silicone cable makes it easy to maneuver without tangling or creating noise. It’s surprisingly flexible, which is a blessing when you’re maneuvering around your desk or recording setup.
The USB-C connector fits snugly, so I didn’t worry about it slipping out during critical moments.
The real game-changer is the Hi-Res audio chip inside. Whether I was monitoring a live recording or streaming music, the clarity was impressive.
I didn’t experience any dropouts or latency—music and audio stayed perfectly synced, even during fast-paced tracks. Plus, the fact that it supports simultaneous charging means no more dead batteries mid-session, which is a huge relief.
Compatibility is straightforward—just connect it to your OTG-enabled device and any external audio gear, like sound cards or headphone amps. It’s a versatile little cable that truly elevates your audio experience and makes content creation a lot smoother.
The only downside I found was the price—at $15.99, it’s a steal, but some might find cheaper alternatives with fewer features.
What is a USB OTG DAC and How Does It Work?
A USB OTG DAC (Digital-to-Analog Converter) is a device that enables the conversion of digital audio signals from USB devices, such as smartphones or tablets, into analog signals that can be sent to headphones or speakers. The term “OTG” stands for “On-The-Go,” which refers to a specification that allows USB devices to act as a host, enabling them to connect directly to other USB devices without the need for a computer.
According to the USB Implementers Forum, USB OTG allows devices such as smartphones to communicate with peripherals like DACs, enabling high-quality audio playback directly from the device without requiring additional hardware like a computer (USB-IF, 2021). This technology is increasingly popular among audiophiles and music enthusiasts who seek improved sound quality from portable devices.
Key aspects of a USB OTG DAC include its ability to support high-resolution audio formats, often up to 32-bit/384kHz, providing a richer and more detailed listening experience. Additionally, most USB OTG DACs are compact and portable, making them ideal for on-the-go use. They often feature a variety of output options, including standard 3.5mm headphone jacks and balanced outputs, catering to different audio setups and preferences. Furthermore, many USB OTG DACs are designed to be plug-and-play, meaning they require no additional software or drivers to operate, simplifying the user experience.
This technology impacts the way users experience music, especially with the rise of high-resolution audio streaming services. With the ability to bypass the often lower-quality internal DACs found in smartphones and other portable devices, users can achieve a significantly improved audio experience. According to a report by Counterpoint Research, the market for portable audio equipment, including USB DACs, is projected to grow as consumers increasingly seek higher-quality audio solutions (Counterpoint Research, 2022).
The benefits of using a USB OTG DAC include enhanced audio fidelity, greater dynamic range, and improved signal-to-noise ratio compared to standard headphone outputs. Audiophiles, musicians, and sound engineers often utilize these devices to ensure that they can hear the nuances of recordings as intended. In practical applications, USB OTG DACs are frequently employed in conjunction with high-end headphones and studio monitors, allowing users to take full advantage of their audio equipment.
Best practices for utilizing USB OTG DACs involve ensuring compatibility with the device in question and using high-quality cables to minimize signal loss. Users should also consider the power requirements of the DAC, as some may need external power sources to function optimally. Regular updates and firmware checks can also enhance performance and compatibility with various devices.
What Are the Benefits of Using a USB OTG DAC for Your Audio Experience?
The benefits of using a USB OTG DAC for your audio experience include enhanced sound quality, improved compatibility with devices, and increased functionality.
- Enhanced Sound Quality: USB OTG DACs typically offer superior audio conversion compared to standard audio outputs found in most devices. They can decode high-resolution audio formats and provide a clearer, more detailed sound, which can significantly improve the listening experience.
- Improved Compatibility: These DACs are designed to work with a wide range of devices, including smartphones, tablets, and laptops that support USB OTG functionality. This versatility allows users to enjoy high-quality audio across multiple platforms without being limited to a single device.
- Increased Functionality: USB OTG DACs often come with additional features such as headphone amplifiers and customizable sound profiles. This allows users to tailor their audio experience to their personal preferences, making it easier to achieve the sound they desire.
- Portability: Many USB OTG DACs are compact and lightweight, making them easy to carry around. This portability means that users can enjoy high-quality audio on the go, whether they are traveling or commuting.
- Low Latency: Using a USB OTG DAC can reduce audio latency, which is particularly beneficial for gamers and video enthusiasts. This ensures that audio is synchronized with video output, improving overall enjoyment and immersion in media.
- Battery Efficiency: Connecting a USB OTG DAC can often lead to better battery management on mobile devices, as they offload audio processing tasks. This can result in longer battery life while enjoying high-quality audio without draining the device’s power quickly.
How Can a USB OTG DAC Enhance Sound Quality for Different Devices?
A USB OTG DAC can significantly enhance the sound quality for various devices by providing high-resolution audio playback and better digital-to-analog conversion.
- Improved Audio Fidelity: USB OTG DACs convert digital audio signals into analog with greater precision, resulting in clearer sound reproduction and richer details. This high-fidelity output allows listeners to experience nuances in music that may be lost with standard onboard DACs.
- Support for High-Resolution Audio Formats: Many USB OTG DACs support high-resolution audio formats such as DSD and FLAC, which are often higher quality than standard MP3 files. This capability enables music enthusiasts to enjoy their favorite tracks in a format that retains more of the original recording’s integrity.
- Enhanced Volume Control: A USB OTG DAC often includes better volume control options with lower noise levels, reducing distortion at higher volumes. This feature ensures that users can enjoy music at any volume without sacrificing sound quality.
- Compatibility with Multiple Devices: USB OTG DACs can be connected to various devices, including smartphones, tablets, and laptops, making them versatile tools for audiophiles. This compatibility allows users to upgrade their audio experience across different platforms without needing multiple solutions.
- Portability and Convenience: Most USB OTG DACs are compact and lightweight, which makes them easy to carry around. This portability allows users to enhance their audio experience on the go, whether they are traveling or commuting.
- Customizable Sound Profiles: Some USB OTG DACs come with software or apps that allow users to tailor the sound profile to their preferences. This customization can enhance the listening experience by accommodating individual tastes in bass, treble, and overall sound balance.
What Features Should You Consider When Selecting the Best USB OTG DAC?
When selecting the best USB OTG DAC, several features are essential to ensure optimal performance and compatibility with your devices.
- Audio Quality: Look for DACs that support high-resolution audio formats such as PCM and DSD, as this will significantly enhance the listening experience. A higher signal-to-noise ratio and lower total harmonic distortion are also indicators of superior audio quality.
- Compatibility: Ensure that the DAC is compatible with your devices, including smartphones, tablets, and laptops. Check if it supports both Android and iOS devices, as well as various file formats for seamless playback.
- Portability: Since the purpose of an OTG DAC is to facilitate on-the-go audio, a compact and lightweight design is crucial. This makes it easy to carry and use without adding bulk to your device setup.
- Power Requirements: Some DACs require external power sources, while others can operate fully on power drawn from the connected device. Choose a model that meets your preferences and usage scenarios without compromising quality.
- Build Quality: Durability is important for portable devices, so consider DACs made from robust materials that can withstand daily wear and tear. A well-constructed DAC will not only last longer but also provide better shielding against interference.
- Connectivity Options: Look for a DAC that offers multiple output options, such as 3.5mm, balanced outputs, or even Bluetooth. This versatility allows for greater compatibility with various headphones and audio systems.
- User Interface: A simple and intuitive interface can greatly enhance the user experience. Features like hardware volume control and indicator lights can make navigating the device easier while using it on the go.
- Price: Consider your budget, as USB OTG DACs come at different price points. Balance the features you need with what you are willing to spend, ensuring you get good value for your investment.
How Important is Device Compatibility with USB OTG DACs?
Device compatibility is crucial for the effective use of USB OTG DACs as it determines whether the device can properly support and utilize the DAC’s features.
- Smartphone Compatibility: Many USB OTG DACs are designed to work seamlessly with smartphones, particularly Android devices that support USB On-The-Go (OTG). This compatibility allows users to enhance their audio experience by connecting high-quality DACs directly to their smartphones without needing a computer.
- Tablet Compatibility: Similar to smartphones, tablets that support USB OTG can benefit from improved audio quality when paired with a USB OTG DAC. This is particularly useful for media consumption, as users can enjoy superior sound quality while watching videos or listening to music on their tablets.
- Operating System Support: Different operating systems have varying levels of support for USB OTG and DAC functionality. For example, Android devices generally offer broader compatibility with USB OTG DACs, while iOS devices may require specific adapters or may not support certain DACs directly, limiting the options available for Apple users.
- Audio Format Support: The ability of a USB OTG DAC to handle different audio formats is dependent on the device it is connected to. Devices that support high-resolution audio formats will allow users to fully utilize the capabilities of high-end DACs, making it essential for users to check their device’s specifications before purchasing a DAC.
- Power Supply Requirements: Some USB OTG DACs may require more power than what a mobile device can provide. In such cases, compatibility with devices that can supply sufficient power or the need for an external power source becomes a critical factor in ensuring optimal performance.
What Makes Some USB OTG DACs Better Than Others?
Various factors contribute to the superiority of some USB OTG DACs over others:
- Audio Quality: The audio quality of a DAC is primarily determined by its bit depth and sampling rate capabilities. Higher bit depths (like 24-bit) and sampling rates (up to 192 kHz or more) allow for more detailed and accurate sound reproduction, which can significantly enhance the listening experience.
- Build Quality: The physical construction of a DAC can impact its durability and performance. High-quality materials and robust designs not only ensure longevity but also help in minimizing electromagnetic interference (EMI), which can degrade audio signals.
- Compatibility: A good USB OTG DAC should be versatile in its compatibility with various devices and formats. DACs that support a wider range of devices, such as Android smartphones, tablets, and even some PCs, as well as various audio formats, offer greater flexibility for users.
- Power Requirements: Some DACs require more power than others, impacting their usability with portable devices. The best USB OTG DACs are designed to efficiently use power, often allowing them to function well without needing an external power source, making them more practical for on-the-go listening.
- Additional Features: Some DACs come with extra features such as built-in amplifiers, headphone outputs, or customizable sound profiles. These added functionalities can enhance the user experience, allowing for a more tailored listening environment.
- Price Point: The price of a USB OTG DAC can vary widely, and often, higher-priced models come with better components and features. However, the best USB OTG DACs provide a good balance of performance and affordability, ensuring that users get excellent value for their investment.
What Do User Reviews Reveal About Popular USB OTG DAC Models?
User reviews provide valuable insights into the performance and features of popular USB OTG DAC models.
- AudioQuest DragonFly Black: Users praise its compact design and ability to significantly enhance audio quality from portable devices. It supports various file formats and offers a warm sound signature, making it ideal for music enthusiasts who seek a portable solution.
- FiiO Q1 Mark II: Reviewers often highlight its versatility, as it functions as both a DAC and an amplifier. Its built-in battery and support for high-resolution audio make it a favorite among audiophiles who appreciate its powerful output and customizable sound settings.
- iFi Hip-DAC: Users appreciate the unique design and portability of the Hip-DAC, along with its impressive audio performance across different genres. The inclusion of a balanced output and a bass boost feature attracts those looking for tailored listening experiences on the go.
- Hidizs Sonata HD: This model receives positive feedback for its affordability without sacrificing sound quality. Users often note its solid build and compatibility with multiple devices, making it a convenient choice for casual listeners and audiophiles alike.
- Cambridge Audio DacMagic 2: Reviewers commend its rich, detailed sound and extensive connectivity options. Its ability to handle various digital inputs makes it a top choice for users looking to integrate it into a home audio setup while maintaining high audio fidelity.
What Steps Should You Follow to Effectively Set Up Your USB OTG DAC?
To effectively set up your USB OTG DAC, follow these steps:
- Check Compatibility: Ensure that your device supports USB OTG and that the DAC is compatible with your operating system.
- Gather Necessary Cables: Acquire the appropriate USB OTG adapter and any additional cables required for connecting your DAC to your device.
- Connect the DAC: Plug the USB OTG adapter into your device, then connect the DAC to the adapter using the proper cable.
- Install Drivers if Required: Some DACs may require specific drivers; check the manufacturer’s website for any necessary downloads or instructions.
- Select the DAC as Output Device: Access your device’s audio settings to select the DAC as the preferred output device for sound playback.
- Test the Audio Output: Play audio to verify the setup and ensure that sound is being output through the DAC correctly.
- Tweak Settings: Adjust any audio settings in your media player or device settings for optimal sound quality based on personal preference.
Check Compatibility: Before anything else, verify that your smartphone, tablet, or computer supports USB OTG functionality, which allows it to connect to external devices like a DAC. Additionally, ensure that the DAC you plan to use is compatible with your device’s operating system, whether it be Android, iOS, or Windows.
Gather Necessary Cables: To connect your DAC, you will need a USB OTG adapter that fits your device’s charging port, along with any specific USB cables that the DAC may require. Having the right cables ensures a seamless connection without any issues during setup.
Connect the DAC: Start by inserting the USB OTG adapter into your device’s charging port. Next, connect the DAC to the other end of the adapter using the appropriate cable, ensuring secure connections on both ends to prevent any interruptions.
Install Drivers if Required: Some DACs come with software or drivers that need to be installed for the device to function correctly. Visit the manufacturer’s website to download any necessary drivers, and follow the installation instructions provided.
Select the DAC as Output Device: Once the DAC is connected, navigate to your device’s audio settings. You may need to select the DAC specifically to ensure that it is the default audio output device, allowing it to process sound from your applications.
Test the Audio Output: Play a song or audio file to check if the output is routed through the DAC. Listen for clarity and quality; if sound is not coming through the DAC, revisit the previous steps to troubleshoot the connection.
Tweak Settings: After confirming that the audio is working correctly, consider adjusting settings within your media player or device for enhanced sound quality. Many applications provide equalizer settings or other audio enhancements that can significantly improve your listening experience.
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