Fosi Audio K7 DAC Headphone Amp, USB-C Audio Converter for PC/PS5, Optical/Coaxial/Bluetooth aptX HD LL, Mic Input, 3.5mm/4.4mm Balanced/RCA Out

Fosi Audio K7 Desktop DAC Headphone Amplifier: The Ultimate Desktop Audio Hub

The Fosi Audio K7 is the versatile solution for headphone HiFi and desktop audio, designed for both HiFi headphone audiophiles and music lovers. Developed based on in-depth interviews with hundreds of enthusiasts, the K7 is an all-in-one HiFi DAC and headphone amplifier born specifically for HiFi and Entertainment. Whether you are enjoying music, gaming, or working, the K7 handles these tasks with ease and can serve as a powerful hub for building your desktop audio system.

Audiophile-Grade Performance and Power

Equipped with an Audiophile-Grade Chipset Integrated, the K7 delivers high-resolution and immersive audio excellence. It utilizes the AK4493S DAC, the XMOS XU208 USB processor, and TPA6120 headphone amps. The device supports high-resolution decoding, handling PCM 384kHz & DSD256 Audio. Sound quality is ensured through low-noise LDOs that provide clean power delivery and boost performance with strong, stable output. The K7 is engineered for exceptional clarity, featuring 0.0002% Ultra-low Distortion (THD+N: ≤ 0.0002%). It achieves a high Signal-to-Noise Ratio (SNR) of ≥ 121dB and a low Noise Floor of ≤6.5μV. With up to 2100mW output power, the K7 easily drives demanding headphones and unlocks the full potential of your headphones and speakers.

• Input: Bluetooth, COAX, OPT, USB

• Output: 3.5mm Single-ended/4.4mm Balanced Headphone Output, RCA

• SNR: ≥ 121dB; THD+N: ≤ 0.0002%; Noise Floor: ≤6.5μV

• Input Voltage: DC 12V

Comprehensive Connectivity

The K7 offers comprehensive connectivity options, making device connection effortless. Inputs include mainstream digital options such as USB-C, optical (OPT), and coaxial (COAX). It also supports Bluetooth, featuring aptX HD/LL for high-quality audio streaming. Its Hi-Res Bluetooth Codecs boast imperceptible latency, under 40ms, with a sampling rate of PCM 24bit/48kHz. The K7 also covers your microphone needs with a crystal-clear 3.5mm mic input.

For outputs, the amplifier supports both powerful balanced and single-ended connections. Outputs include 4.4mm balanced, 3.5mm single-ended, and RCA, allowing easy connection to headphones, powered speakers, or external amplifiers for desktop setups.

User-Centric Design

The K7 features a user-friendly and compact design. Control is simplified with dual large control knobs, which are multifunctional, pressable, and infinitely rotatable. Effortless operation is further supported by tactile buttons that provide feedback. For real-time feedback on settings, the K7 incorporates a 1.5-in LCD Display. The physical chassis utilizes a CNC Integration Design crafted from solid aluminum alloy, creating a robust, durable, and wear-resistant full-metal chassis with a sleek metallic finish. Its angled ergonomic design is optimized specifically for desktop use.