Pro-Ject Head Box DS3 B Headphone Amplifier

A class-leading headphone amplifier designed for audiophiles who demand uncompromising power, precision, and fidelity.

• Compact and stylish build
• Bypass RCA loop output for additional amplifier
• Solid metal casing protects from interferences
• Fully discrete, analogue Amplifier Design

Maximum Performance

The Head Box DS3 B’s fully balanced, discreet topology redefines the possibilities of its product category, delivering ultra-clean amplification and effortless drive for even the most demanding headphones.

Every aspect of its design prioritises sonic purity, from the carefully optimised signal path to the discreet, low-noise components that minimise distortion and preserve the finest details of any recording. With support for both balanced and single-ended headphones, it integrates seamlessly into desktop and high-end hi-fi systems, providing versatile connectivity and ensuring consistent, high-quality performance across a wide range of audio sources.

Fully Balanced Power

At its core, the Head Box DS3 B offers a fully balanced signal chain for both RCA and XLR inputs, ensuring maximum channel separation and minimal noise.

The power stage delivers up to 1500 mW of fully balanced output, thanks to a meticulously engineered discrete amplifier design. Balanced headphone outputs are provided via 4.4 mm Pentaconn and XLR connectors, while single-ended headphones can be driven through 3.5 mm and 6.3 mm outputs. A bypass RCA loop is also present, providing easy integration to additional amplifiers or system expansion.

Made in Europe

The Head Box DS3 B combines class-leading performance with exceptional build quality, embodying both precision engineering and refined aesthetics. Its full aluminium chassis not only provides robust mechanical protection but also offers effective shielding against electromagnetic interference, ensuring the purest possible signal path. All control elements and buttons are meticulously crafted from high-quality aluminium, delivering a satisfying tactile response while maintaining long-term durability.

Available in sophisticated silver or black finishes, the Head Box DS3 B is designed and manufactured in Europe, reflecting a strong commitment to meticulous craftsmanship, rigorous quality control, and enduring reliability.

• Analogue Loop Output
  1 pair RCA
• Crosstalk
  < -83 dB
• RCA Input(s)
  1 Pair
• Balanced XLR Input(s)
  1 Pair
• Headphone Output
  3.5mm + 6.3mm + 4.4mm balanced + 4 Pin XLR balanced
• Headphone Amp Output Power
  510mW/8 Ohms, 900mW/16 Ohms, 1500mW/32 Ohms, 560mW/300 Ohms
• Headphone Amp Signal-to-Noise Ratio
  >118 dB
• Headphone Amp THD
  <0.002 %
• Headphone Amp Frequency Response
  < -0.2dB at 20Hz-20kHz
• Headphone Amp Gain
  12 dB
• External Power Supply Rating
  18V-1A DC
• Dimensions (W x H x D)
  206 x 70 x 218 mm
• Weight
  1.43 kg
• Headphone Impedance
  min 8 Ω