Amplificateur casque Pro-Ject Head Box SE

PRO-JECT HEAD BOX SE, perfect working order, like new.
3 inputs, 1 output.
Volume 1 and volume 2 control knobs to adjust the level to the required volume for phones 1 and phones 2.

Power output 150mW/600ohms
Headphone connection Min. 32ohms
Output impedance 20ohms
THD 0,005%
Signal to noise 94dB
Frequency response 20Hz – 20kHz/0,2dB
Slew rate 10V/μsec
Headphone jack 3-pole ¼“ (6,3mm)
Outboard power supply 16V/500mA AC,
Power consumption 16V/120mA AC
Dimensions (W x H x D) 130 x 79 x 133mm
Weight without power supply 1.000g