HEAD BOX S USB

Audiophile headphone amplifier

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• RCA stereo input

• Digital USB 1.1 input (no extra driver needed)

• RCA stereo loop-out for analogue input

• 6,3mm jack input on front

• Suitable for headphones with low or high impedance

• Extremely low noise and distortion

• Full metal housing protects against interference

• Significantly better sound than standard headphone outputs from integrated amplifiers

• DC power supply (< 1 watt standby power)

• On/Off switch on front

• Faceplates in silver or black

Technical data	Pro-Ject Head Box S USB
A/D-converter	Burr Brown PCM2702E
	16-Bit Delta Sigma, 8-fach Oversampling
Sampling rates	44,1kHz and 48kHz
USB 1.1 input	5 pin mini b connector
	(USB cable supplied)
Operating systems	from Windows XP® up, Mac OS® & Linux
Power output	350mW/30 ohms, 60mW/300 ohms
Output impedance	> 30 ohms
Signal-to-noise ratio	112dB - IEC -A at full output
THD	< 0,002%
Gain	9dB
Headphone socket	3-pol 1/4“ Ø (6,3mm)
Power supply	18V/500mA dcC; 220 - 240V, 50Hz
Power consumption	18V/250mA DC / <1 watt standby
Dimensions W x H x D	103 x 36 x 103 mm
	103 x 36 x 109 mm incl. sockets
Weight	600g without power supply