Fosi Audio K7 Desktop DAC Headphone Amplifier

The Fosi Audio K7 is a high-performance desktop DAC and headphone amplifier designed for demanding listeners. Combining advanced digital conversion with a powerful amplification stage, it delivers clean, detailed audio suitable for both critical listening and everyday use.

Equipped with dual high-end DAC chips, the K7 provides excellent dynamic range and ultra-low distortion. It supports high-resolution audio formats including PCM up to 768kHz/32-bit and DSD512, ensuring accurate playback of modern digital sources.

The front panel features both 6.35mm single-ended and 4.4mm balanced headphone outputs, offering flexibility for a wide range of headphones. Its powerful output ensures sufficient drive for both sensitive and demanding headphones.

With multiple inputs including USB-C, coaxial, optical, Bluetooth, and a 3.5mm microphone input, the K7 integrates easily into various setups. RCA outputs and pre-out functionality allow connection to speakers or external amplifiers.

Features
Dual High-End DAC Chips
Supports PCM Up To 768kHz 32-Bit And DSD512
6.35mm Single-Ended Headphone Output
4.4mm Balanced Headphone Output
Multiple Inputs Including USB-C Coaxial Optical And Bluetooth
RCA Output And Pre-Out Functionality
High Output Power For Headphones
Low Distortion And High Dynamic Range

Compatibility
Headphones With 3.5mm 6.35mm Or 4.4mm Connectors
USB-C Audio Sources
Optical And Coaxial Digital Sources
Bluetooth Audio Devices
Active Speakers And External Amplifiers

Specifications
DAC Chipset: AKM4493SEQ
Inputs: Coaxial Optical USB-C Bluetooth 3.5mm Microphone
Outputs: RCA 3.5mm Single-Ended 4.4mm Balanced
THD(+N): 0.0005% (3.5mm) <0.0002% (4.4mm)
Dynamic Range: 121dB
SNR: 122dB (3.5mm) 121dB (4.4mm)
Headphone Output Power: ≥600mW+600mW (3.5mm) ≥2100mW+2100mW (4.4mm)
Power Requirements: DC 12V 2A

In The Box
USB-A/C To USB-C Cable
User Manual
Bluetooth Antenna
Y-Splitter Cable
DC 12V Power Supply