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Pro-Ject - Head Box DS Headphone Amplifier

Pro Ject

  • $ 39900

Pro-Ject Head Box DS Headphone Amplifier

Save $100 on Pro-Ject Head Box DS Headphone Amplifier: Asynchronous 24-bit/96kHz USB Input, Built-In DAC, Dual-Mono Topology, and Front-Panel Controls Complement Excellent Performance SILVER ONLY!

Pro-Ject Head Box DS is a high-end headphone amplifier with a USB input and built-in D/A converter for direct connection of digital sources. An analog output allows the unit to function as a D/A converter for the same input sources when connected directly to a preamp. The USB input is a 24-bit/96kHz asynchronous design, delivering superb sound quality from a computer audio source. Additional digital inputs include a coaxial RCA and Toslink optical that can be used to connect to the digital output of a CD Player.

The dual mono amplifier topology employed uses very high quality component parts including ultra low-noise ICs and high-reliable relay switches. All controls are located on the front panel for ease of use and the Head Box DS features a large and legible LCD readout. An outboard power supply is also included.


Power Output: 350mW/30ohms, 60mW/300ohms
Headphone Connection: > 30 ohms
Signal to Noise: 112dB (A weighted) at full output
Frequency Response: 20Hz - 20kHz/-0.5dB THD: 0.0014%
Gain: 9dB
Headphone Jack: 3-pole 1-4"
Line-Level Input: 1 pair RCA Jacks
Line-Level Output: 1 pair RCA Jacks
A/D Converter: Cirrus Logic CS4344. 24Bit/192kHz. Delta Sigma D/A
Supported Audio Format: PCM (LPCM). No support for multi channel formats like Dolby® AC-3 or DTS
Sampling Rates USB Input: 44.1kHz and 48kHz
Optical Input: 44.1kHz, 48kHz, 88.2kHz and 96kHz
Coaxial Input: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz and 192kHz
USB Input: 5 Pin Mini B Connector, USB cable supplied
USB Signal: Digital Serial Data Protocol USB 2.0
Operating Systems: Windows XP, Windows VISTA, Windows 7 and Mac OS
Power Supply:18V/1,000mA DC
Power Consumption: 500mA DC, <1W in standby
Dimensions (WHD): 4.1" x 2.9" x 5.7"
Weight: 2lbs.

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