Matrix Audio HPA3B 2 Channel Headphone Amplifier

Matrix Audio HPA3B 2 Channel Headphone Amplifier

HPA-3B is a new member of the M-Stage series headphone amplifier, who is the first one full-balanced design of the headphone amplifier, both supports single-ended output and differential output, maximising the performance of the headphones.

Specifications:

• Balance Headphone Output:
  • SNR: -114dB A-Weighting
  • THD+N: 0.0003% at 300ohms 135mW 1kHz A-Weighting
  • Frequency Response: 20Hz-20kHz(+0dB/-0.05dB)
  • Output Impedance: 0.6ohms
  • Output Power: 3800mW at 33ohms / 1500mW at 300ohms / 800mW at 600ohms at THD+N=0.01%
• SE Headphone Output:
  • SNR: -108dB A-Weighting
  • THD+N: 0.0004% at 300ohms 325mW 1kHz A-Weighting
  • Frequency Response: 20Hz-20kHz(+0.03dB/-0.1dB)
  • Output Impedance: 0.4ohms
  • Output Power: 2100mW at 33ohms / 430mW at 300ohms / 220mW at 600ohms at THD+N=0.01%
• Gain Control:
  • Gain: 5=5dB 10=10dB 20=20dB
• Power:
  • Power Voltage:
    • 230V position is fit for AC220V-240V 50/60Hz
    • 115V position is fit for AC100V-120V 50/60Hz
  • Power Consumption: 25W
  • Fuse: AC250V/500mA 5x20mm
• Others:
  • Dimension: 285×142×49mm L×W×H(Including the protruding part)
  • Weight: 1.7kg