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NEW Fosi Audio K7 HiFi Gaming DAC & Headphone Amplifier

Fosi AudioPart # 235-278
Model: K7

The Fosi Audio K7 is a versatile desktop DAC and headphone amplifier designed for both audiophile listening and gaming. It combines high-resolution audio decoding with powerful amplification and a built-in microphone input, making it ideal for users seeking a compact, all-in-one solution for music, gaming, and communication.

Key Features

  • High-resolution DAC supporting PCM up to 384kHz/32-bit and DSD256
  • Multiple input options: USB-C, optical, coaxial, and Bluetooth 5.0 (supports SBC, AAC, aptX, aptX HD, aptX LL)
  • Outputs include 4.4mm balanced, 3.5mm single-ended headphone jacks, and RCA line-out
  • Front-panel 3.5mm microphone input with adjustable gain and mute function
  • Bass and treble tone controls with bypass option for a neutral sound
  • 1.5" LCD display for real-time information on input, output, volume, and settings
  • Compatible with Windows, macOS, and Linux systems
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Overview

Fosi Audio K7 HiFi Gaming DAC & Headphone Amplifier

Fosi Audio K7 HiFi Gaming DAC & Headphone Amplifier

Born for HiFi and Gaming

The K7 is a flexible HiFi DAC and headphone amp designed with input from over a hundred audio and gaming enthusiasts. It supports USB, optical, and coaxial digital inputs, along with aptX HD Bluetooth for high-quality wireless audio. A built-in mic input with noise reduction ensures clear voice communication for online use.

Fully compatible with PS5 Pro, PS5, Switch, PC, Mac, tablets, TVs, and projectors, the K7 includes balanced headphone and line outputs for expanded versatility. Whether you're listening to music, gaming, working, streaming, or watching movies, its compact design and broad functionality deliver outstanding performance. The K7 is built to elevate both your listening and gaming experiences across all your devices.

The Reviews are in...

Why the K7/DAC Amp?

Pure Music Enjoyment

With ultra-high resolution and exceptionally low distortion, it captures every detail with precision. Its high-power output unlocks the full performance of your headphones, letting you experience music in its purest form.

Gaming Entertainment

Compatible with devices like PC, PS5 Pro, PS5, and the Switch, it delivers precise audio decoding with ease. Features such as sound localization and adjustable sound effects enhance immersion, making every gaming moment more intense and engaging.

Audiophile-Grade Chipset

Delivers high resolution, wide dynamic range, ultra-low noise, low latency, and high output power. Reveals more detail for a flawless and pure listening experience.

3.5mm Single-Ended Headphone Output

Rated Power
≥600mW+600mW @32Ω

4.4mm Balanced Headphone Output

Rated Power
≥2.1W+2.1W @32Ω

3.5mm Microphone Input

Intelligent Noise Reduction for Clearer Communications

1.5" LCD High Definition Display

Fully Balanced Circuitry,0.0002% Ultra-Low Distortion

Effectively minimizes noise and interference, featuring gain control and headphone protection circuits to deliver clear, accurate audio and elevate your listening experience.

Multiple LDO Regulators
Ensuring Clear Sound Quality

Each stage is powered by low-noise LDO regulators, providing clean power delivery that enhances audio performance with strong, stable support.

Application Scenarios

Visible Superior Sound Quality

Rigorous real-world testing turns sonic excellence from a concept into a concrete guarantee of quality.

General Specifications

ChipsetXMOS XU208+AKM4493SEQ+QCC 3031+TPA6120
Maximum Sampling Rate
USB:PCM 384kHz-32bit/DSD256
Optical: PCM 24bit/192kHz
Coaxial: PCM 24bit/192kHz
Bluetooth: PCM 24bit/48kHz
Headphone Impedance
16-300Ω
Input
Coaxial, Optical, USB-C,Bluetooth,3.5mm Microphone
Output
RCA, 3.5mm Single-Ended,4.4mm Balanced
Firmware UpgradeXMOS firmware can be updated via the Type-C interface
Bluetooth Version
5.0
Bluetooth Connection Distance
≤ 13m (42.65 ft)
Noise Floor
≤2.5μV
Bluetooth Transmission
Audio Format
SBC, AAC, aptX, aptX HD, aptX LL
Input Voltage and Current
DC 12V 2A
USB Compatible Devices
Windows 7,8, 8.1,10,11 (Driver required)
Mac OS X, Linux (No driver required)

Audio Parameters

4.4mm Balanced Headphone Output

Rated Power OutputL+R≥2100mW+2100mW (32Ω/THD+N＜1%)
SNR121dB
THD+N
<0.0002%
Dynamic Range121dB
Noise Floor≤ 6.5μV

3.5mm Single-Ended Headphone Output

Rated Power OutputL+ R≥600mW+600mW (32Ω/THD+N<1%)
SNR121dB
THD+N
<0.0005%
Dynamic Range121dB
Noise Floor≤2.5μV
Frequency Response20Hz-20kHz (±0.1dB)

RCA Output

Output Level≥2Vrms
SNR20Hz-20kHz (±0.1dB)
THD+N
<0.0005%
Dynamic Range121dB
Noise Floor≤3μV
Frequency Response20Hz-20kHz

Product Details

BrandFosi Audio
ModelK7
Part Number235-278
Unit of MeasureEach
Weight1

Specifications

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