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Description
That sweet but powerful voice
Professional audio architecture, 340mW high driving power, 3.5mm SE and 4.4mm balanced output ports, dual DAC, MQA 8X, PCM768/DSD256 native decoding
Portable USB DAC/headphone amp
Computer sound card, HiRes certified, low power consumption, all-metal body, Bauhaus design, hardware volume control, RGB indicator light
Why use a USB dongle?
Recover a headphone port for your modern smartphone, giving voice to the large online library of lossless music available; higher detail compared to Bluetooth audio, hearing more musical details, bringing you back closer to the original music venue in experience.
Professional audio architecture
Containing circuitry on a level with professional full-scale HiBy Digital Audio Players, which is designed solely for high-res lossless music, replaying the original music in every detail, including all its energy and presence.
Independent FPGA-based dual independent crystal oscillator reclocking
Equipped with 45.158MHz and 49.152MHz dual dedicated audio crystal oscillators for effectively lower jitter, providing the whole audio system with a high precision, low jitter clock source.
Efficient USB receiver
Driven by a highly integrated 28nm USB receiver chip of high efficiency, with the 416M dedicated audio DSP onboard to realize the best balance between high performance and long runtime, effectively lowering the consumption of the smartphone's battery.
My dongle is more powerful than yours
340mW+340mW @32Ω is nearly unheard of for a USB dongle but here it is! Easily drive all your HiFi earphones and even some full-size headphones! High driving power is the stuff of miracles! It will let your earphones handle all music styles with more aplomb than ever, a higher sense of energy without sacrificing any fine control or detail!
High performance by the numbers
High SNR, low absolute noise level and low THD all at the forefront of products of this class, making for a faithful rendition of the great music at your fingertips on a black canvas.
MQA 8X unfolding
The HiBy FC4 includes MQA technology*, which enables you to play back MQA audio files and streams by a factor of 8x, delivering the sound of the original master recording.
*The FC4 features an MQA renderer now, and it is going to include MQA full decoding technology in the next few months.
The smartphone must be using apps supporting bit-perfect and MQA (e.g. HiByMusic, TIDAL), in order for MQA unfolding to occur with the HiBy FC4 connected via USB.
Dual ES9218PC DACs
Equipped with 2 of ESS technologies’ renowned ES9218PC DAC chips, set to output to each channel independently, their strong decoding power not letting go of a single musical detail.
Hi-res support
Supporting up to PCM768kHz/32bit, DSD256 (native) decoding, edging on professional HiFi in decoding specifications, this will have no problems decoding all your usual lossless streaming formats.
3.5mm SE and 4.4mm balanced brought together
Includes 3.5mm SE and 4.4mm balanced ports--balanced in position too! The attention to detail inspires confidence.
Software Integration
Seamlessly integrating with the HiByMusic app’s USB exclusive mode, be confident of your smartphone’s bit-perfect audio output to the FC4, fully unleashing the FC4’s hardware decoding/amplification power.
The HiByMusic App is a professional app for Hi-Res audio playback on Android and iOS, with over 3 million users worldwide, and its USB-exclusive mode coupled with external USB DAC/headphone amps garners widespread praise from HiFi aficionados all around.
All-platform support
Supports use on Android / iOS / Mac / Windows as USB dongle / computer external soundcard. No charging required, driver-free plug-and-play.
Driver-free plug-and-play on Android / iOS / Mac / Windows 10
Hi-Res certified for hi-quality sound
Hi-Res certification is your guaranteed ticket to good sound!
All-metal body
All-metal body in Bauhaus design language, black with luxurious gold trim.
Hardware volume buttons/hardware volume
30-step physical hardware volume button controlling hardware volume controller for best adaptability and lossless volume control.
RGB indicator light
Displaying different colours depending on what is being played:
Green: MQA
Blue: MQA Studio
Magenta: MQA Rendering
Yellow: ≤48k
Aqua: 64k-192k
Orange: 352.8k or above
White: DSD Red: Paused
What's in the box
①USB Type A to Type C interconnect ②FC4 DAC/headphone amp product proper ③Type-C to Type-C interconnect ④Product packaging ⑤User manual/warranty
What's in the box
①USB Type A to Type C interconnect ②FC4 DAC/headphone amp product proper ③Type-C to Type-C interconnect ④Product packaging ⑤User manual/warranty
Audio specifications
| 3.5mm PO | 4.4mm BAL | |
|---|---|---|
| Output Level | 1.9Vrms (32Ω) | 3.3Vrms (32Ω) |
| Output Power | 110mW (32Ω) | 340mW (32Ω) |
| THD+N | 0.0008% (32Ω) | 0.0006% (32Ω) |
| Noise | 1.7μVrms (32Ω) | 2.2μVrms (32Ω) |
| SNR | 120dB (32Ω) | 123 dB (32Ω) |
| Dynamic Range | 120dB (32Ω) | 123 dB (32Ω) |
| Crosstalk Rejection | 72dB (32Ω) | 98 dB (32Ω) |
| Frequency response (-3dB) | 20-90Khz (32Ω) | 20-90Khz (32Ω) |
⚡️ Power Output Wise AMP & DAC Guide
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Trusted By Over 15K+ Music Enthusiast
Build quality is superb
Audio is unmatched with any of my previous headsets, including the most taunted Bose.
TheAudioStore shipment and handling is next level, the IEM is carefully packed with a gift cover and was handled very efficiently
Unit I received was in absolute mint condition and is as good as brand new.
It is working perfectly fine and is an amazing bargain at this price.
Thankyou Audio Store ..
I have almost all sub 60k DAPs this is by far the best sounding DAP, pure audiophile grade, R2R dac is great if you know how to play around with Darwin options , mseb options doesn't work with MQA files , compact & lively music player
This is my second kz iem. I purchased the kz edc pro last year and it was a upgrade from all the other headphones I have used. So this time after reading a lot of reviews i went for the zs10 pro x and it was a lot better that I expected. Its pretty balanced. And a excellent upgrade. I use my headphones with the apple usb c to 3.5 mm jack
I ordered demo unit to know the difference between earphones and iem.
I am not an audiophile.
For me it's awesome with great sound quality.
Never miss it for ₹390.
You gotta try it to believe it. Period!
The drivers gives richer sound fidelity given its price. At this price its a steal deal.
It will sink all your "BOATS" with no mercy in terms of pure sound quality.
You get every pennies worth with this product. You will not be disappointed. Audio is very balanced and clear, you will hear more if you have been using bluetooth headphones before. You may feel the bass is less but if you keep using it for days you will realize that it's not, rather different songs have different bass, but a basshead wanting the boom & bang can look elsewhere.
Overall it provides you good quality for it's price point.
Just go for it.
After burning for several hours, it's performing quite well. The sound has completely changed, it's now too matured and warmth. At the end of the day, it's a great purchase.
As this is the first IEM, With much hesitation i brought this and it never disappointed me. With hardly 17days of usage, this IEM is on rest, since my ears too needed it. Thanks to Audio store such a fabulous experience and kudos to their fastest shipping.
One of the best headphones for OnePlus phones
HI,
I am using this adapter with vmoda mic cable as well as multiple CTIA cables this works very similarly to the apple original adapter minus the cable part as it's a solid dongle, microphone gain is fine, and the sound is fine, a nice alternative for the original adapter must have for apple users.
Best sounding earphones with very wide stage and balanced.
What ever Pritamji wrote the review on QKZ HBB IEM review 100% agreed with him. So much instruments separation in each and every song. So much wider sound stage. It's having very warmer sounds. We can listen So longer time also not getting bored. Very much engaging. My combo is Sony NW-ZX707 DAP and Sony Xperia I ii mobile with Lotoo paw s1 dac. It's totally outstanding IEM. Even flag ship IEMs also not having so much detailed information sounds. Great tuned by HBB that is Bad boy good audio reviewer. Thanks once again Pritamji for providing me so wonderful product. Over all QKZ HBB IEM is boss of IEMs.
Very good headset with budget price.
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