Otomatsu Balanced Headphone Amplifier
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Model : BDR-HPA01E


.Otomatsu BDR-HP01E DIY Balanced Headphone Amp Review


The satisfaction of enjoying audio is to be able to Do-It-Yourself (DIY)

The kit is composed of the following modules.

You can buy the kit without the case kit.

  • Headphone Amplifier x2 $180.00
    X1 + balance volume conversion circuit board kit $150.00
    Power Supply kit $120.00
    Case and assessories ( RCA and XLR jack , knob, AC inlet...) $400.00


Input Stereo RCA in-balanced line signal
Output Stereo XLR Balanced X 1 or Un balanced
1/4 inch phone x 2  or capable to drive XLR input power amplifier
Frequency Response 5Hz - 80Hz
Total Harmonic Distortion + Noise 0.0046% @ 40Ω load
Output power 1600mW x 2 max. @40Ω
Headphone Impedance 16Ω - 300Ω
Voltage AC 100V - 120V 50-60Hz
Size W230mm x D180mm x H50mm