Fosi Audio K7 DAC Headphone Amp Desktop Gaming USB-C Bluetooth

Overview

Fosi Audio K7 — desktop DAC/headphone amp for HiFi and gaming with AK4493S, aptX HD/LL Bluetooth, mic input, and balanced 4.4mm out.

At a Glance

• Versatile DAC Amp
• Audiophile-Grade Chipset
• Comprehensive Connectivity
• User-Centric Design

Key Features

• Versatile DAC Amp: The K7 is designed for both HiFi headphone audiophiles and music lovers. It can serve as a powerful hub for building your desktop audio system. Whether your're enjoying music, gaming or working, the K7 handles it all with ease.
• Audiophile-Grade Chipset: Equipped with the AK4493S DAC, XMOS XU208 USB processor, and TPA6120 headphone amps, the K7 supports high-resolution decoding up to PCM 384kHz/32bit and DSD256. With up to 2100mW output power, it easily drives demanding headphones.
• Comprehensive Connectivity: Supports USB-C, coaxial, optical, Bluetooth aptX HD/LL and 3.5mm microphone input. Outputs include 4.4mm balanced, 3.5mm single-ended, and RCA—easily connecting to headphones, powered speakers, or amplifiers for desktop setups.
• User-Centric Design: Compact yet user-friendly, the K7 features dual large control knobs, five shortcut buttons, and an angled chassis for ergonomic comfort. A high-resolution display shows real-time status, making operation easy and intuitive.
• Durable All-Metal Build: Crafted from solid aluminum alloy, the K7 features a rugged, wear-resistant chassis with a sleek metallic finish and enhanced electromagnetic interference shielding.

Who It's For

Competitive PC and console gaming, FPS footstep clarity, desktop headphone setups, and content creators who want a dedicated external DAC/AMP instead of motherboard audio.

Why Choose the K7

The K7 is part of the Fosi Audio lineup of compact HiFi amplifiers, DACs, and desktop audio components. It focuses on practical connectivity, measurable performance, and value — the same product family featured on the official Fosi Audio store and Amazon. Use this page to review specs and photos, then buy through Amazon when you are ready.

Why Fosi Audio

Fosi Audio builds compact HiFi amplifiers, DACs, and desktop audio gear that punch above their price. From TPA3255 power amps to balanced DAC preamps and gaming DAC/AMPs, the lineup focuses on clean sound, useful connectivity, and value — the same products featured on Amazon.

Compare & explore

Browse more gaming audio, compare with Fosi Audio K5 Pro and Fosi Audio C3, or explore DAC & amp models for source components.