Headphone amplifier with volume control.
1 headphone/stereo line input, 3.5 mm jack and 2 x RCA
1 stereo headphone output, 3.5 mm jack and 6.3 mm jack, 2 V maximum
On/off General volume
LED power indicator
5 V DC, 500 mA with adapter included or through micro USB connector
64 x 30 x 97 mm depth