Fosi Audio Q5 DAC/Headphone Amp

The Fosi Audio Q5 combines a high-resolution DAC and headphone amplifier in a compact desktop unit. Connect a computer, TV, or other digital source through USB, optical, or coaxial input, then listen through headphones or route audio to an amplifier or powered speakers with the stereo RCA output. A front-panel input selector and volume control keep everyday operation simple.

Technical Specifications

• DAC chip: ESS ES9018K2M
• USB interface: SA9123L
• S/PDIF receiver: CS8416
• Operational amplifier: LME49720
• Headphone amplifier: TPA6120A2
• Supported audio: PCM up to 24-bit/192 kHz
• Frequency response: 10 Hz–20 kHz (±0.5 dB)
• Headphone output power: 400 mW at 32 Ω
• Signal-to-noise ratio: >110 dB
• THD+N: <0.002% (1 kHz)
• Recommended headphone impedance: 16–250 Ω
• Inputs: USB-B, optical Toslink, coaxial S/PDIF
• Outputs: Stereo RCA, 3.5 mm headphone, 6.35 mm headphone
• Power supply: 12 V DC / 1 A
• Dimensions: 98 × 165 × 35 mm (W × D × H)
• Chassis: Aluminum alloy
• Color: Black