HA204P Battery Headphone Amp

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SKU: ROL-HA204P Categories: , Tag:


HA204P Battery Headphone Amp


The HA204p is a full frequency response, four channel headphone monitoring device designed for the recording studio, or other professional applications. Each output boasts a whopping 20 dB of clean channel gain.



  • Stereo 1/8” and Dual RCA Inputs
  • Rotary Volume controls
  • AC adapter included
  • 15-35k Hz frequency response
  • Lots of output level.... it’s loud!
  • 9V battery Operated



Input Impedance 47k Ohms
Max Input Level +13 dBV adapter, +8 dBV Battery
Input Connectors TRS Stereo 1/8”, Dual RCA
Outputs 4 - TRS Stereo 1/8” (3.5mm)
Output Impedance 10 Ohms each output
Max Gain 20 dB/Channel
S/N Ratio >90 dB
THD < .008%
IMD (SMPTE) <.008%
Nominal Current Draw 30 Mills Min./ 400 Mills Max.
Expected Battery Life 8 Hours Continuos use
Frequency Response 15-35K Hz.
Recommended Headphone Impedance 16 to 500 Ohms.
Power 15 VDC (Rolls Model PS27s)
Weight .85 lb
Size 4.5” x 1.125” x 4.5”