Pro-Ject Head Box S2 Noir

Pro-Ject
Head Box S2 Black
Headphone amplifier

Construction :
Anti-vibration and anti-interference metal box
Aluminum facade
Very low noise components
Separate power supply
Small footprint
Two headphone outputs that can be used simultaneously

Measures :
Amplification Power: 725 mW (under 32 ohms)
Signal-to-noise ratio: -110 dBV
Harmonic distortion + noise (THD + N): <0.002%
Gain: 11 dB
Crosstalk: 68 dB
Frequency response: 20 Hz - 80 kHz (+ - 0.2 dB)

Connections:
1 stereo analog RCA / cinch input
1 stereo RCA / cinch analog output (passthrough)
1 headphone jack output 6.35 mm
1 3.5 mm mini-jack headphone output

Power :
Power transformer 5V / 0.5A DC
Power consumption (standby): <0.5 W

Generalities :
Dimensions (WxHxD): 103 x 37 x 120 mm
Weight: 365 g (without food)