FiiO K7 – High-Power Balanced Desktop DAC & Headphone Amplifier

The FiiO K7 blends a refined DAC, powerful amplification, and sleek desktop design into one compact chassis. Featuring dual AK4493SEQ DACs, THX AAA‑788+ amps, multi-input connectivity, and color-coded RGB lighting, it offers audiophile-grade performance for music lovers and creators alike.

Key Features

• Dual AK4493SEQ DACs: Delivers rich, delicate sound with ultra-low noise
• Dual THX AAA‑788+ amps: Drives up to 2 W balanced / 1.2 W single-ended into 32 Ω
• Fully balanced architecture: Six-stage analog/digital signal path minimizes crosstalk
• Multiple I/O: USB, optical, coaxial, RCA inputs; 4.4 mm balanced and 6.35 mm headphone outputs
• Smart volume control: 112-step digitally controlled knob with anti-pop ADC system
• RGB indicators: Input and sampling rate color codes add visual feedback

Customer Benefits

Experience studio-quality playback with powerful, transparent amplification. The K7’s rich output and flexible connectivity empower seamless use with any headphone, desktop setup, or hi-fi system.

Quick Specs

• Dimensions: 120 × 168 × 55 mm
• Weight: ~610 g
• DAC: Dual AK4493SEQ
• Decoder: XMOS XUF208 (USB), PCM up to 384 kHz, DSD256
• Headphone Power: ≤2 W balanced / ≤1.2 W SE @32 Ω; ~560 mW @300 Ω
• SNR: ≥128 dB (A‑weighted)
• Outputs: 4.4 mm balanced, 6.35 mm single-ended
• Inputs: USB-B, coaxial, optical, RCA

What’s in the Box

• FiiO K7 unit
• 12 V/2 A power adapter
• USB-B cable
• 6.35 mm adapter
• Quick-start guide & warranty card

Use Cases / Ideal For

Perfect for desktop music lovers, streamers, and creators who want powerful, clean output with full-balanced capability in a compact space. Ideal for serious headphone listening, content editing, and production.

Compatibility

Plug-and-play with Windows, macOS, Linux, and even mobile via USB OTG. Optical, coaxial, and RCA inputs support DAC, CD player, streamer, or TV connections. Works effortlessly with headphones from IEMs to high-impedance planars.

Pros & Cons

✅ Pros:

• Rich dual-DAC sound and high headphone power
• True balanced path and low distorsion
• Compact yet feature-rich desktop design

⚠️ Cons:

• No Bluetooth or built-in EQ
• Requires external power supply
• Color wheel may require calibration for some users

The FiiO K7 redefines desktop DAC/amps with its balanced performance and thoughtful design. Offering powerful output and pristine sound in a tidy footprint, it’s a compelling hub for any serious desktop audio setup—ready at Soundium.