Feature

●The upgraded version of Fosi Audio Q4 adds microphone function, K5 Pro headphone DAC amp combo, next-generation audio converter with unrivaled internals, more outstanding performance, and richer audio details. Born for Gaming. K5 Pro stereo DAC headphone amplifier is perfect for your home gaming system, equivalent to an external sound card, suitable for PS5/Computers/PC/MAC/active speakers, etc.
●K5 Pro USB DAC converts USB Type C/Optical/Coaxial signals to 3.5MM AUX and RCA signals with low distortion and great dynamic range. Unique design: 2-in-1 USB Type C interface charging port and audio input means K5 Pro is compatible with your phones(Note: Your audio source must be connected to the USB-A/C port.). RCA output can be connected to an amplifier or powered speakers on your desktop. 3.5 MM AUX and microphone interface can drive 16 Ohm to 300 Ohm headphones.
●K5 Pro headphone DAC adopts the Texas Instruments NE5532 op-amp chip. The circuit design implementing this DAC has been optimized for a low-noise floor and clean sound. K5 Pro has noticeably improved on overall sound quality, so you can get immersed in your music even more easily. Volume button and on button are combined into one, long press to switch on.
●Product Specifications: K5 Pro with master volume/bass/treble control and input mode switch. USB Type C rate: up to 24 bit/96 kHz, Optical/Coaxial sampling rate: up to 24 bit/192 kHz, THD ≤0.003%, SNR ≥110dB. Output power: 1000mw@16Ω, 500mw@32Ω, 300mw@64Ω, 150mw@128Ω, 80mw@300Ω.
●What You Get: K5 Pro DAC amp x1, 3.5MM headphone splitter x1, 2-in-1 USB Type A/C to Type C cable x1, User Manual x1, Optical Cable x1, our worry-free 24-month warranty, and friendly customer service.


Description

K5 Pro DAC Amp Headphone Amplifier Gaming Converter USB C Optical Coaxial RCA topping smsl fiio ifiK5 Pro DAC Amp Headphone Amplifier Gaming Converter USB C Optical Coaxial RCA topping smsl fiio ifi
USB DAC Born for Gaming

Fosi Audio K5 Pro Stereo Gaming DAC Headphone Amplifier

The K5 Pro has a high-performance audio circuit designed by the Fosi Audio innovation product R&D team, allowing you to take advantage of digital audio with USB C/optical/coaxial inputs, convenient for connecting various digital interfactes, compatible with PS5/Computers, etc.

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K5 Pro DAC Amp Headphone Amplifier Gaming Converter USB C Optical Coaxial RCA topping smsl fiio ifiK5 Pro DAC Amp Headphone Amplifier Gaming Converter USB C Optical Coaxial RCA topping smsl fiio ifi
the upgraded version of Fosi Audio Q4

Fosi Audio USB DAC Headphone Amp Combo

  • Input: USB-C/OPT/COA/3.5MM Microphone(USB Mode); Output: RCA/3.5mm Headphone
  • OPT/COA Sampling Rate: up to 24bit/192 kHz; USB Sampling Rate:up to 24bit/96 kHz
  • Output power: 1000mw@16Ω, 500mw@32Ω, 300mw@64Ω, 150mw@128Ω, 80mw@300Ω;
  • THD: <0.003%; S/N: >110db; Frequency response: 20Hz-20kHz
  • Recommended headphone impedance: 16-300Ω

Product Comparison

K5 PRO

K5 PRO

Q4

Q4

SK01

SK01

SK02

SK02

ds1

DS1

DS2

DS2

N3

N3

Customer Reviews
4.2 out of 5 stars
539
4.4 out of 5 stars
2,638
4.6 out of 5 stars
79
4.4 out of 5 stars
17
4.3 out of 5 stars
180
4.0 out of 5 stars
44
Price
USD 86.25 USD 75.47 USD 101.47 USD 126.85 USD 114.16 USD 88.79 USD 76.10
Type
DAC+Headphone Amp DAC+Headphone Amp Headphone Amp+Equalizer Headphone Amp+Equalizer DAC+ Headphone Amp DAC+ Headphone Amp Portable Headphone Amp
MAX Power Output
500mw@32Ω 250mw@32Ω 2400mW@32 Ohm 3.5MM: 280mW/4.4MM: 1100mW@32Ω 120mW(SE); 220mW(BAL) 130mW(SE); 510mW(BAL) 138mW @32Ω; 15mW @300Ω
Input
USB-C+OPT+COA+3.5mm Microphone PC-USB + Optical + Coaxial 3.5mm AUX USB/OPT Type C Type C Blueooth + AUX
Output
RCA + 3.5mm Headphone RCA + 3.5mm Headphone 3.5mm AUX+6.35mm Headphone 3.5mm/4.4mm HP+3.5mm AUX/OPT 3.5mm + 4.4mm Headphone 3.5mm + 4.4mm Headphone 3.5mm Headphone
Treble & Bass Control
THD
<0.003% ≤0.01% ≤ 0.001% ≤ 0.001% ≤ 0.0006%(SE) ≤ 0.001%(BAL) ≤ 0.0002%(SE) ≤ 0.001%(BAL) ≤ 0.001%
SNR
>110dB >105dB ≥ 108dB 3.5mm: 120dB/4.4mm: 115dB ≥120dB ≥130dB ≥ 95dB
Terminating Impedance
16-300 Ohms 16-200 Ohms 16-300 Ohms 16-300 Ohms 16-300 Ohms 16-300 Ohms 16-300 Ohms
Work Voltage
DC 5V DC 5V DC 5V DC 5V DC 5V DC 5V DC 5V