HPAMP104

4-CH Headphone Amplifier

The 100 Series is a range of D.I. Boxes and Headphone Amps designed to complement audio systems in stage applications, recording studios and fixed installations. Hosted in a stylish extruded and stackable aluminum shell or in a sturdy metal chassis, the 100 Series products are meant to deliver sound quality, versatility and stage-proof reliability in a very affordable package.

  • Very compact and portable package
  • ¼” JACK + RCA stereo/mono input
  • 4 x ¼” JACK stereo headphone outputs with individual level controls
  • +22dB max output level (per channel)
  • 10 ohm minimum output impedance (per channel)
  • Powered by DC adaptor (included)

Technical Specifications

Input Section  
Inputs 1 stereo
Input Impedance 500 Kohm
Max Input Level +15 dBu
Connectors  1/4″ jack stereo, 2 x RCA
Output Section  
Outputs 4 stereo
Maximum output (2x) 45mW @ 100 ohm (each)
Load Impedance minimum 16 ohm per channel
Max gain +20 dB each channel
Connector  1/4″ jack stereo (each output)
System Performance   
Distortion (THD) 0.02 %
Noise  < -98 dBu unweighted
Frequency Response  20 Hz – 20 KHz (-3 dB)
General   
Controls OUTPUT LEVEL, INPUT STEREO/MONO
Indicators Power ON
Power supply 12-18 VDC (adapter included)
Dimensions (W x H x D)  152 x 50 x 72 mm
Weight 0,8 Kg

Related Products

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HPAMP104
4-CH Headphone Amplifier

The 100 Series is a range of D.I. Boxes and Headphone Amps designed to complement audio systems in stage applications, recording studios and fixed installations. Hosted in a stylish extruded and stackable aluminum shell or in a sturdy metal chassis, the 100 Series products are meant to deliver sound quality, versatility and stage-proof reliability in a very affordable package.

  • Very compact and portable package
  • ¼” JACK + RCA stereo/mono input
  • 4 x ¼” JACK stereo headphone outputs with individual level controls
  • +22dB max output level (per channel)
  • 10 ohm minimum output impedance (per channel)
  • Powered by DC adaptor (included)
Input Section  
Inputs 1 stereo
Input Impedance 500 Kohm
Max Input Level +15 dBu
Connectors  1/4″ jack stereo, 2 x RCA
Output Section  
Outputs 4 stereo
Maximum output (2x) 45mW @ 100 ohm (each)
Load Impedance minimum 16 ohm per channel
Max gain +20 dB each channel
Connector  1/4″ jack stereo (each output)
System Performance   
Distortion (THD) 0.02 %
Noise  < -98 dBu unweighted
Frequency Response  20 Hz – 20 KHz (-3 dB)
General   
Controls OUTPUT LEVEL, INPUT STEREO/MONO
Indicators Power ON
Power supply 12-18 VDC (adapter included)
Dimensions (W x H x D)  152 x 50 x 72 mm
Weight 0,8 Kg