Pro-Ject Head Box DS - Black

This headphone amplifier and 24-bit D/A Head-Box DS converter delivers uncompromising sound quality. The use of high-end components from Burr-Brown guarantee superb quality, including the second best DAC chip on the market, "1792" and SMD mount. Internal D/A conversion offers additional RCA line output that can be used with any hi-system as a cost-effective audio upgrade for existing digital audio sources at home. The metal housing protects against vibration and electromagnetic interference. Headphone playback offers realistic audio at all volume levels for 3 digital and 1 analogue sound source. The Head Box DS has a high-quality display, located on a luxury aluminium front panel, which provides complete information about the current state of the device.

Parameters and specifications:

Performance:
350mW

Headphone connector:
30Ohm (suitable for connecting both low and high impedance headphones)

Signal-to-noise ratio:
112dB at full power

Frequency range:
20Hz - 20kHz
 

Gain:
9dB

Inputs and outputs:
6.3mm coaxial jack on the front
3 digital inputs: Asynchronous USB 2.0, S / PDIF, Toslink
Special USB 2.0 driver for 24/192 (24/96 with USB 1.1)
Line inputs/outputs 1 pair of RCA/cinch sockets
RCA stereo input
RCA stereo output for use as a D / A converter

Sampling:
USB 2.0 MINI input: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz 192kHz
Coaxial input: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz 192kHz
Optical input: 44.1kHz, 48kHz, 88.2kHz, 96kHz

Properties:
D/A converter with Burr-Brown 1792 semiconductors
SMD technology for short signal paths
Supports PCM Sound Format (LPCM)
No support for multi-channel formats such as Dolby AC-3 or DTS

Power and consumption:
Power supply: 18V/1000mA DC
Consumption: 500mA DC

Dimensions (w/h/d):
103 x 72 x 144mm (150mm with power connector)

Weight:
990g without power supply

Colour:
Black