Fosi Audio K7 | Desktop DAC and Amp

The Fosi Audio K7 is Engineered for Precise, Immersive Sound, Perfectly Suited for Both High-Fidelity Music and Next-Level Gaming Experiences

• Gaming/Hi-Fi desktop DAC and amp
• Features powerful audiophile-grade chipset
• AKM AK4493S DAC chip
• Fully balanced circuitry
• Comprehensive digital inputs and versatile outputs

One Device Meeting Multiple Needs

The K7 is designed for audiophiles who love music and gaming. It can serve as a powerful hub for building your desktop audio system. Whether you're enjoying music, gaming, or working, the K7 can handle it all with ease.

With ultra-high resolution and extremely low distortion, it accurately reproduces every detail. The high-power output drives your headphones to their full potential, allowing you to enjoy the purity of music. Compatible with devices such as PC, PS5 Pro, PS5, and Switch, K7 effortlessly achieves precise audio decoding. Features like sound localization and sound effects adjustment help create an immersive gaming experience, making every battle more thrilling.

Audiophile-Grade Chipset

The K7 integrates an audiophile-grade chipset combination including the AK4493S DAC chip, XMOS XU208 audio processing chip, TPA6120 amp chip, and OPA1612 op-amp for high resolution, wide dynamic range, ultra-low noise, low latency, and high output power. The exceptional performance will make both gaming and music listening flawless.

Feature Packed

Hi-Res Bluetooth Codecs
Equipped with the Qualcomm QCC3031 Bluetooth chip, supporting aptX HD, aptx LL, aptX, AAC, and SBC codecs.

User-Friendly and Practical Control Design
The K7 features a 1.5" LCD high definition display for easy viewing. It is integrated with tactile shortcut buttons, multi-functional press-able knobs, and sits at an angled ergonomic design.

Aluminum Alloy Body with CNC Design
A compact and exquisite full-metal chassis with fine sandblasting for a robust and durable design.

Triple Intelligent Protection
The K7 promises uninterrupted gaming and entertainment with built-in overhear protection, overload protection, and overcurrent protection.

Comprehensive Connectivity
Supports USB-C, coaxial, optical, Bluetooth aptX HD/LL, and 3.5mm microphone input. Outputs include 4.4mm BAL, 3.5mm SE, and RCA, easily connecting to headphones, powered speakers or amplifiers for desktop setups.

Fully Balanced Circuitry, 0.0002% Low Distortion
Effectively reduces noise and interference, equipped with gain control and headphone protection circuits to ensure clear, authentic audio output.

Multiple LDO Regulators
Each stage utilizes low-noise LDO regulators for pure power output, enhancing audio performance with robust power support.

Specifications

• Chipset:
  • XMOS 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 lmpedance: 16-300Ω
• Input: Coaxial, Optical, USB-C, Bluetooth, 3.5mm Microphone
• Output: RCA, 3.5mm Single-Ended, 4.4mm Balanced
• Firmware Upgrade: XMOS firmware can be updated via the Type-C interface
• Bluetooth Version: 5.0
• Bluetooth Connection Distance: ≤13m
• 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)
• Dimensions: 155mm x 95mm x 55mm
• Weight: 530g

4.4mm Balanced Headphone Output

• Rated Power Output: L+R≥2100mW+2100mW (32Ω/THD+N＜1%)
• SNR: 121dB
• THD+N: <0.0002%
• Dynamic Range: 121dB
• Noise Floor: ≤ 6.5μV

3.5mm Single-Ended Headphone Output

• Rated Power Output: L+ R≥600mW+600mW (32Ω/THD+N<1%)
• SNR: 122dB
• THD+N: 0.0005%
• Dynamic Range: 121dB
• Noise Floor: ≤2.5μV
• Frequency Response: 20Hz-20kHz (±0.1dB)

RCA Output

• Output Level: ≥2Vrms
• SNR: 20Hz-20kHz (±0.1dB)
• THD+N: 0.0005%
• Dynamic Range: 121dB
• Noise Floor: ≤3μV
• Frequency Response: 20Hz-20kHz

In the Box

• Fosi Audio K7
• USB-A/C to USB-C cable
• Bluetooth antenna
• DC 12V power supply
• 3.5mm headphone splitter
• User manual