FiiO K7 – Balanced desktop DAC and headphone amp

The FiiO K7 brings a refined dual-DAC, powerful THX amplification, and a tidy desktop footprint into one compact chassis. Built for headphone listeners and desktop creators who want clean, high-power output with fully balanced connectivity, it pairs audiophile-grade sound with flexible I/O.

Key Features

• Dual AK4493SEQ DACs: Rich, detailed sound with very low noise.
• Dual THX AAA-788+ amps: Up to 2 W balanced and 1.2 W single-ended into 32 Ω.
• Fully balanced architecture: Balanced signal path that keeps crosstalk low.
• Flexible I/O: USB-B, optical, coaxial and RCA inputs, plus 4.4 mm balanced and 6.35 mm outputs.
• ADC volume control: Avoids channel imbalance and pops at low listening levels.
• RGB indicators: Color codes show the active input and sampling rate.

Customer Benefits

The K7 gives you studio-grade playback with powerful, transparent amplification. Its rich dual-DAC output and broad connectivity let it sit at the center of any desktop setup, from sensitive IEMs to demanding high-impedance headphones, while the two-level gain switch keeps both ends of that range under control.

Quick Specs

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

In the Box

• FiiO K7 unit
• 12 V power adapter
• Power cable
• USB cable
• Quick-start guide and warranty card

Ideal For

Desktop headphone listening, content editing, and home production where clean, balanced power matters.

Compatibility

Plug-and-play with Windows, macOS and Linux, with USB, optical, coaxial and RCA inputs for a DAC, CD player, streamer or TV. Works with headphones from sensitive IEMs to high-impedance planars.

Pros & Cons

✅ Pros:

• Rich dual-DAC sound and high headphone power
• Fully balanced path with low distortion
• Compact yet feature-rich desktop design

⚠️ Cons:

• No Bluetooth or onboard EQ
• Requires the included external power supply
• Desktop unit, not built for portable use

The FiiO K7 packs balanced performance and thoughtful design into a tidy footprint, making it a compelling hub for any serious desktop audio rig.