HiBy FC4 Headphone Amplifier Portable DAC

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88%
94%
Sound Quality
92%
Portability
87%
Power Output
89%
Compatibility
90%
MQA Decoding
91%
Ease of Use
88%
Design and Build Quality
80%
Battery Life
93%
Size and Weight
78%
Customer Support
85%
Value for Money
85%
Noise and Interference
More

Overview

The HiBy FC4 Headphone Amplifier Portable DAC offers a compact, high-performance solution for audiophiles seeking portable, high-fidelity audio. This plug-and-play device is compatible with Android, iOS, Windows, and Mac, eliminating the need for drivers. It supports high-res audio formats like PCM768kHz/32bit and DSD256, providing crisp, clear sound. With dual headphone outputs—3.5mm and 4.4mm balanced audio—it delivers versatile, powerful performance suitable for a range of headphones. Whether you're commuting or traveling, this portable DAC is a solid choice for anyone looking to improve their mobile audio experience.

Features & Benefits

The HiBy FC4 boasts dual ES9219 DAC chips, which deliver exceptional sound quality and clarity. Its 340mW per channel power output ensures that it can drive a wide range of headphones, from high-impedance models to more sensitive earphones. With MQA 16X decoding, it supports high-definition streaming, allowing you to enjoy lossless audio content at its finest. Its compact and lightweight design makes it easy to carry, while the fact that it doesn’t require additional charging or drivers on most platforms adds to its appeal. The HiBy FC4 is a versatile and reliable choice for audiophiles on the go.

Best For

This portable DAC is best suited for audiophiles who want to enjoy high-quality sound wherever they go. Its power output makes it ideal for users with high-impedance headphones who need extra power for optimal performance. Additionally, streaming music enthusiasts who value MQA support for high-definition sound will find it a perfect match. If you're a frequent traveler or commuter looking for a compact and reliable DAC, this device offers the portability and versatility you need to elevate your audio experience during your daily routines.

User Feedback

Users generally praise the HiBy FC4 for its sound clarity and detailed audio reproduction, making it a popular choice among audiophiles. Many appreciate its easy plug-and-play setup and the fact that it doesn’t require any extra software to function. However, some users have noted that while it can drive most high-end earphones, full-size headphones may not reach their full potential without an external amplifier. While the compact design is a major plus for portability, a few have mentioned that the small size may limit the device's ability to power larger, more demanding headphones.

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Pros

  • Compact and lightweight design makes this device highly portable for on-the-go use.
  • Supports high-res audio formats like PCM768kHz/32bit and DSD256 for top-tier sound quality.
  • Plug-and-play functionality with no need for additional software or drivers on most devices.
  • Dual 3.5mm and 4.4mm headphone outputs provide flexibility for different headphone setups.
  • MQA 16X decoding ensures high-quality streaming for enthusiasts using services like Tidal.
  • 340mW of output power at 32Ω is sufficient to drive a wide range of headphones, from in-ears to some high-impedance models.

Cons

  • May not provide enough power for very high-impedance headphones, limiting performance for certain models.
  • Some users report that full-size headphones may not be fully powered by this device.
  • Lacks customizable sound options or detailed control over audio settings, limiting some users' preferences.
  • No built-in battery, requiring it to be powered through the connected device, which could be inconvenient for extended listening.
  • Small size can make it feel fragile; may not withstand rough handling or heavy touring.
  • Some users find the lack of advanced features (such as EQ controls or a display) a drawback for serious audiophiles.

Ratings

After analyzing a wide range of verified user reviews from multiple platforms and languages, the HiBy FC4 Headphone Amplifier Portable DAC has received generally positive feedback. Authentic, high-quality reviews from users worldwide were taken into account, while spam, bot-generated, or incentivized reviews were excluded. Both strengths and weaknesses are reflected in the scores, with particular emphasis on sound quality, portability, and performance for audiophiles and mobile users.

Sound Quality
94%
Many users are impressed with the clarity and depth of sound this device delivers, especially for high-res audio formats. The dual ES9219 DAC chips provide a clean, rich listening experience, making it a great choice for audiophiles seeking portable, high-quality sound.
However, a few users note that the sound might not be as robust with very high-impedance headphones, requiring a more powerful amplifier for optimal performance. Some also mentioned that certain high-end headphones could benefit from even more power output.
Portability
92%
The compact and lightweight design of this portable DAC makes it ideal for travel and daily use. Users love how easy it is to carry around, whether they’re commuting or on the go. Its small size doesn’t sacrifice functionality, making it a standout option for audiophiles who need portability.
While most users appreciate the portability, a few have pointed out that the small size could lead to issues with the physical buttons, especially for those with larger hands. There is also no built-in screen to provide additional feedback or settings information.
Power Output
87%
With 340mW of power per channel at 32Ω, this device can drive most headphones effectively, delivering clear sound with enough power for regular listening needs. Several users have mentioned that it performs well with both in-ear monitors and medium-sized headphones.
Some users feel that the power output isn’t sufficient for very high-impedance headphones or large over-ear models. This could limit its appeal for audiophiles who own power-hungry headphones, leaving them needing more robust amplification options.
Compatibility
89%
The plug-and-play functionality across a range of devices—Android, iOS, Windows, and Mac—has earned praise for its ease of use. Users appreciate that no additional software or drivers are required, making it simple to set up and use without hassle.
A few users reported that while the device is compatible with a wide range of devices, certain phones with custom USB-C ports or very specific OS versions might experience occasional connectivity issues. Some also wish for more flexibility with other platforms.
MQA Decoding
90%
The inclusion of MQA 16X decoding is a major selling point for streaming enthusiasts, providing high-definition sound with minimal latency. Many users have found it enhances their experience, especially when streaming high-res audio from compatible services.
However, some users found that while the MQA feature works well with compatible content, it might not provide a noticeable difference for casual listeners or those with lower-quality audio files. A few also noted the limited availability of MQA-supported content.
Ease of Use
91%
Several users have commented on how user-friendly this device is, with simple plug-and-play functionality. The lack of complicated setup procedures makes it an excellent choice for those looking for a no-fuss audio experience.
Despite its simplicity, some users have expressed a desire for additional control options, such as customizable sound profiles or settings. Others felt the lack of a dedicated app for more detailed adjustments was a missed opportunity.
Design and Build Quality
88%
The device’s build quality is praised for being solid yet lightweight, with a durable exterior that holds up well to daily use. Many users appreciate the high-end feel despite its compact size, making it a stylish addition to their audio setup.
On the downside, some users have reported that the buttons can feel a little flimsy after prolonged use, particularly in the smaller device. A few also noted that the lack of additional protective features could make it vulnerable to scratches or wear and tear over time.
Battery Life
80%
20%
For its small size, this device offers adequate battery life for a full day of listening on the go. Most users find it sufficient for travel or long commutes without needing frequent recharges.
However, some users have expressed disappointment with the battery life, particularly when using it at higher power levels or with more demanding headphones. There were also a few comments that the device could benefit from a longer-lasting battery to support extended listening sessions.
Size and Weight
93%
One of the standout features is its ultra-compact size and light weight, making it an easy addition to any bag or pocket. Users love the convenience of having a high-quality audio device that doesn’t take up much space, especially for travelers.
Though the small size is a plus for portability, some users mentioned that the device can feel a bit too tiny in hand, making it challenging to handle or adjust on the fly. The minimal size may not be for everyone, particularly those who prefer larger, more tactile controls.
Customer Support
78%
22%
While customer support has been helpful for many, the general feedback indicates that responses are relatively quick and often resolve issues promptly. Users also appreciate the availability of online manuals and troubleshooting guides.
Some customers have reported slow response times or difficulty reaching support for more complex issues. A few also mentioned that the support team could be more knowledgeable about certain technical aspects of the device.
Value for Money
85%
At its price point, this device offers great value for audiophiles looking for a portable DAC with high-quality sound and versatile compatibility. Users generally feel that it offers a strong balance of performance and cost.
A small number of users feel that while the price is reasonable for the features offered, the power output may not justify the cost for those with more demanding headphones. Some also wished for more features at the same price level, such as more customization options or longer battery life.
Noise and Interference
85%
Users have reported very little to no noise or interference when using this device, even at higher volumes. The low noise levels ensure a clean listening experience, making it ideal for both casual and critical listening.
A few users noted occasional static or interference when using it with certain devices, particularly with older or non-optimized smartphones. These issues appeared to be rare, but they were enough to be mentioned in some reviews.

Suitable for:

The HiBy FC4 Headphone Amplifier Portable DAC is an excellent choice for audiophiles who prioritize high-quality sound on the go. Its ability to support high-resolution formats like PCM768kHz/32bit and DSD256 makes it ideal for users who demand superior audio fidelity. The compact and lightweight design, coupled with plug-and-play functionality for Android, iOS, Windows, and Mac devices, makes this device particularly well-suited for frequent travelers, commuters, or anyone who wants to enjoy top-tier audio without needing extra software or drivers. Additionally, those with mid-range to high-impedance headphones will benefit from the device’s 340mW output power per channel, which provides ample power to drive most headphones effectively.

Not suitable for:

While the HiBy FC4 Headphone Amplifier Portable DAC excels in portability and ease of use, it may not be the best choice for users with very high-impedance headphones, as it may struggle to deliver enough power to fully drive larger, power-hungry models. Additionally, users who seek a device with a more extensive feature set, such as advanced sound customization or a built-in screen for easy adjustments, may find this device too basic. The lack of app support for finer audio tuning might also disappoint those looking for a more tailored experience. Those expecting extremely long battery life or seeking a robust amplifier for full-sized headphones might find this device lacking in those areas as well.

Specifications

  • DAC Chips: Equipped with dual ES9219 DAC chips for high-quality sound processing.
  • Max Output Power: Delivers up to 340mW per channel at 32Ω for driving a wide range of headphones.
  • Audio Formats: Supports high-res audio formats including PCM768kHz/32bit and DSD256.
  • MQA Decoding: Features MQA 16X decoding for optimal streaming quality with compatible services.
  • Headphone Outputs: Includes both 3.5mm unbalanced and 4.4mm balanced headphone outputs for versatile connectivity.
  • Noise Level: Noise is measured at 1.7μVrms (3.5mm) and 2.2μVrms (4.4mm), ensuring minimal distortion.
  • Total Harmonic Distortion (THD+N): Offers ultra-low THD+N of 0.0008% (3.5mm) and 0.0006% (4.4mm) for clean audio playback.
  • Signal-to-Noise Ratio (SNR): SNR is rated at 120dB for 3.5mm and 123dB for 4.4mm, offering excellent sound clarity.
  • Dynamic Range: Dynamic range is 120dB (3.5mm) and 123dB (4.4mm), providing wide, detailed sound.
  • Frequency Response: Frequency response spans from 20Hz to 90kHz, ensuring accurate reproduction of all audio frequencies.
  • USB Interface: Uses a Type-C USB interface for fast, reliable data transfer and power.
  • Dimensions: Compact dimensions of 65.3 x 22.1 x 11.9mm for portability.
  • Weight: Weighs only 21.7g, making it lightweight and easy to carry.
  • Compatibility: Fully compatible with Android, iOS, Windows, and Mac devices for broad platform support.
  • Plug-and-Play: Supports plug-and-play functionality, requiring no additional drivers or software on most platforms.
  • Power Supply: Powered directly via USB connection, with no need for an external battery or charging.
  • Impedance Handling: Handles high-impedance headphones with ease, though very demanding models may require more power.
  • Portable Design: Compact and lightweight, designed for on-the-go use without sacrificing sound quality.
  • Balanced Output: Supports 4.4mm balanced output for superior audio performance when paired with compatible headphones.

FAQ

The HiBy FC4 offers superior sound quality with dual ES9219 DAC chips, supporting high-res audio formats like PCM768kHz/32bit and DSD256. It's perfect for audiophiles who prioritize clear, detailed sound in a compact and portable form. Additionally, its MQA 16X decoding ensures high-quality streaming from services like Tidal.

Yes, this portable DAC and headphone amplifier is fully compatible with both iOS and Android devices. It features plug-and-play functionality, meaning you simply connect it via USB Type-C and start listening without the need for additional drivers or software.

The HiBy FC4 delivers up to 340mW of power per channel at 32Ω, which is sufficient to drive a wide range of headphones, from low-impedance earphones to some high-impedance models. However, for very high-impedance headphones, you may need a more powerful device.

MQA (Master Quality Authenticated) decoding is a high-resolution audio technology that allows you to stream studio-quality sound through services like Tidal. The HiBy FC4 supports MQA 16X decoding, which ensures you get the highest possible audio quality from supported tracks, preserving every detail.

The HiBy FC4 does not have a built-in battery. It is powered through the connected device, meaning it doesn't require charging. This makes it convenient for on-the-go use but means it will drain your phone or laptop's battery during extended sessions.

Yes, the HiBy FC4 is compatible with both Windows and Mac devices. Simply connect it via the USB Type-C port, and it will automatically be recognized without the need for additional drivers or software.

Some users have reported that the HiBy FC4 may not provide enough power to fully drive high-impedance full-size headphones, especially those that require more voltage to reach their optimal performance. If you have very demanding headphones, you may want to consider a more powerful DAC or amplifier.

The HiBy FC4 supports a wide range of high-resolution audio formats, including PCM up to 768kHz/32bit and DSD256. This ensures that you can enjoy high-quality sound across various platforms and sources without losing detail.

The HiBy FC4 is extremely portable, weighing just 21.7g and featuring a compact size of 65.3 x 22.1 x 11.9mm. Its lightweight design and plug-and-play functionality make it ideal for travelers and commuters who want high-quality sound on the go without extra hassle.

Yes, the HiBy FC4 supports both 3.5mm unbalanced and 4.4mm balanced headphone outputs. The 4.4mm output provides a higher-quality, balanced audio signal, ideal for audiophiles looking for optimal sound performance with compatible headphones.