SKU: 30414519211

HiBy FC4 MQA 8× Unfolding Dual ES9218PC Portable USB DAC / Headphone AMP

Sale price$89.10 Regular price$99.00
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Description

HiBy FC4 MQA 8× Unfolding Dual ES9218PC Portable USB DAC / Headphone AMPFeatures: >Professionally designed audio architecture. >Premium Dual DAC arrangement. >FPGA=based dual independent crystal oscillators. >Dual Headphone outputs(3. 5mm Single ended+4. 4mm Balanced). >Powerful output. >8x MQA decoding. >High quality USB Receiver supporting 32 Bit 768kHz PCM and native DSD256 signals. >Low power consumption. >All metal construction. >Hardware volume control. >RGB indicator light. >Hi Res certified. Technical

Features:-

>Professionally designed audio architecture.

>Premium Dual DAC arrangement.

>FPGA=based dual independent crystal oscillators.

>Dual Headphone outputs(3.5mm Single-ended+4.4mm Balanced).

>Powerful output.

>8x MQA decoding.

>High-quality USB Receiver supporting 32-Bit/768kHz PCM and native DSD256 signals.

>Low-power consumption.

>All-metal construction.

>Hardware volume control.

>RGB indicator light.

>Hi-Res certified.

Technical Specifications:-

>DAC Chipset: 2xES9218PC.

>Output Power: Up to 340mW(32Ω).

>THD+N: ≥0.0006%.

>Noise floor: 1.7uVrms.

>SNR: 123dB.

>DNR: 123dB.

>Crosstalk rejection: 98dB.

>Frequency response range: 20Hz-90kHz.

>Weight: 21.7grams.

>Dimensions: 65.3x22.1x11.9mm.

Meet the all-new HiBy FC4, a highly-powerful yet ultra-compact USB DAC/AMP from HiBy. FC4 bridges the gap between the entry-level FC3 and the flagship FC5 dongle DACs. It has got unmatched amplification circuit that provides best-in-class powerful output ratings of up to 340mW @ 32Ω of load. FC4 is designed to cater all your Hi-Res audio needs with its premium Dual DAC chipset from Sabre Technologies. This little beast packs enough juice to power most of your IEMs and some low-power requiring headphones too with ease!!

Premium Dual DAC Chipset With High-Quality Sabre DACs:-

HiBy haș equipped the latest FC4 with a premium Dual DAC chipset. The pair houses two ES9218PC DAC chips from Sabre Technologies. They are supported by an efficient USB processor enabling the device to support high-resolution PCM(32-Bit/768kHz) and native DSD256 decoding. The SABRE DACs enable the FC4 to get top-quality performance with ultra-low signal distortion and high SNR ratings.

Professionally Designed Audio Architecture:-

With a wide array of successful products from HiBy, the brand has got expertise in designing high-resolution audio devices. They have designed the audio circuitry of the FC4 solely for the purpose of high-res lossless music. The DAC chips are supported by dual FPGA Crystal Oscillators, an efficient USB receiver, and a powerful amplification circuit. With the HiBy FC4, a rich and premium sound experience awaits its users.

Independent FPGA-Based Dual Crystal Oscillators:-

The FPGA audio section consists of two 45.158MHz and 49.152MHz crystal oscillators. They effectively protect the output signal from jitters and provides a smooth and clear audio experience.

Ultra-Compact Yet Powerful:-

HiBy FC4 has a compact form factor. The device weighs just only 22 grams yet HiBy has achieved best-in-class output performance with the FC4. It gets a power rating of about 340mW @ 32Ω of the load. It can easily drive all your HiFi IEMs and even some full-sized headphones. The device houses two headphone output ports including a single-ended 3.5mm and a balanced 4.4mm.

MQA Support:-

HiBy FC4 supports 8x MQA unfolding. It provides high-resolution master-recording level sound quality performance by fully unwrapping the recording to its true form.

Multi-Color RGB Light Indicator:-

HiBy FC4 houses a multi-color RGB indicator light that glows into different colors depending on the bitrate of the active file. It glows into Green, Blue Magenta for MQA signals, Yellow, Aqua, and Orange for PCM signals(different bitrates), White for DSD signals, and Red when the music is paused.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 30414519211

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4.6 ★★★★★
Based on 194 reviews
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Product Reviews
D
Verified Purchase
Devora Blane
Lake Worth, US
★★★★★ 4
Simple, Reliable, and Works Great
Size: 1 Pack, Style: USB Receiver, Color: Swift Grey
The Logitech M185 has been exactly what I needed for everyday computer use. Setup took less than a minute—just plug in the tiny USB receiver and it was ready to go. The mouse responds smoothly, tracks accurately, and feels comfortable in my hand even after several hours of use. What I appreciate most is the reliability. The wireless connection has been stable with no noticeable lag or dropouts, and the battery life has been excellent. For browsing, office work, and general daily tasks, this mouse delivers solid performance at a very reasonable price. I'm extremely happy with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 5
Great.
Size: 1 Pack, Style: USB Receiver, Color: Swift Grey
Great deal. Works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
P
Verified Purchase
Price Loftin
Los Angeles, US
★★★★★ 5
Great mouse
Size: 1 Pack, Style: USB Receiver, Color: Swift Grey
It synced right up and is working great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
R
Verified Purchase
R. Howell
Lake Worth, US
★★★★★ 5
Basic mouse that works - - for now.
Size: 1 Pack, Style: USB Receiver, Color: Blue
I ordered this mouse (in blue) to replace the recently deceased exact same model that I've used for the past 2 or 3 years. I like the simplicity of the M185 mouse and mostly the best bang for your buck! I caught this one on sale for less than a ten-spot, so I thought, "why not." I'm hoping that this one will last a bit longer than my two previous M185 models, that averaged about 3 years each. This model seems plagued by a short life span and is predisposed to mysteriously and suddenly dying, without any obvious symptoms or warning of any kind - - you're working and clicking along, going about your day, when suddenly the cursor on the computer screen freezes and that's it. Nothing, zero, nada. Funny thing, I'm very careful not to abuse or drop the mouse, and keep a fresh battery installed and watch for leakage and all that stuff - - they just stop working, and I assume it is caused by some sort of inherent electronic fault in the circuitry of the previous M185's. Due to my loyalty to the brand and model (and since it was on sale) I decided to give it one more shot. They say that "third time's a charm". I like the fact that the M185 is simple and uncluttered with extra buttons that I would never use for my purpose, which is simple web-browsing and the occasional text document production. The feel is solid, not heavy, but not cheap feeling, either. I'm used to the shape of this mouse, which to me is quite comfortable for long sessions, another reason why I kind of wanted to stay with this model. The buttons have an audible "click", which doesn't bother me at all, and the wheel moves smoothly and also has a clicking operation (which I rarely ever use). The overall surface of the mouse has a matte finish, but like my previous models I'm sure it will eventually wear shiny spots where my fingers reside and will attain a more "well-used" look in time. Connecting it was a breeze, too. I just plugged the dongle into a spare rear usb port of my desktop, and the mouse connected instantly, no problem. The dongle can be stored safely inside the battery compartment, so you can take the whole thing out of the house if needed for use elsewhere. The speed of 1000 dpi seems just right for my purposes. The one I ordered even came with its own AA Duracell battery, which I wasn't really expecting. This mouse also enters "sleep mode" when you don't use it for a while, and I can't say how many times I've got up and left it on all night. And that's not hard to do, as I'll explain next. The only real negative to this mouse is the absence of any easily visible status indicator of it's on / off switch. The rear housing of this mouse is matte black, including the tiny switch where you turn it on and off with your fingernail, with only a very faint "on" lettering (also black), and very hard to see with my aging eyes. The laser is not lighted or visible when on, also adding to the confusion, especially in a darkened room. So, as a workaround, I took a tiny drop of green paint and placed it down inside the switch slider to visibly help indicate the "on" position, and likewise a dot of bright orange for the "off" position. Many of Logitech's more expensive models (and a few other manufacturers) include this color-coded switch indication. I guess for the $$, they had to cut corners somewhere - - a minor complaint. In summary, this is a good basic mouse that works - - let's hope that this one will last longer than its two predecessors.
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Reviewed in the United States on February 17, 2023
M
Verified Purchase
Metal Sphere
Dallas, US
★★★★★ 5
Dependable, Reliable
Size: 1 Pack, Style: USB Receiver, Color: Swift Grey, Size: 1 Pack, Style: USB Receiver, Color: Swift Grey
As advertised. Logitech, best mouse for your hard-earned cheddar! It’s not that the (years) old Logitech mouse failed in any operational way, it just got that gummy, sticky surface texture that’s impossible to remove. While shopping for a replacement I noticed an off-brand mouse/keyboard combo and thought, “hey, 2 for 1”…mistake. All was well for about three weeks, long enough that when the gremlins arrived I didn’t immediately associate the new hardware. For the purposes of this discussion, gentle reader, know that I run legacy (what I affectionately refer to as, “Lazarus”) builds. Rigs that started life running Windows Vista/7, died, and that now, resurrected, run 10 and 11, and all that that implies. So, when a mouse started stuttering, of course I thought it was a gremlin in the machine, right? I spent more days than I am comfortable sharing with you pouring over processes and background apps, and registry trims…before Accam’s Razor suggested I eliminate the mouse as a variable. Changing the battery was ineffective, but when I swapped in the ooold Logitech…Yahtzee/Bingo/Booyah…smooth and precise…butter! All I needed was a new Logitech mouse. So, if you’re here you likely are having mouse issues of your own, or you just need one that works…this is it! 😉
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Reviewed in the United States on May 13, 2026

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