VA-6501 PA1/ VA-6501 PA2/ VA-6501 PA3/ VA-6501 PA5 Amplifier Board


  • * Digital decoding amplifier board
  • * Efficiency Class D amplifier
  • * Built-in digital decoder to decode network audio directly
  • * Support disconnected local emergency audio input broadcast
  • * Loop state detection for output zones
  • * Support the backup mode of 4-main-1-standby, 5  amplifier boards
  • * Support the real-time indication of the working state of the amplifier board
  • * Support automatic switching of amplifier board failure
  • * Support uninterrupted maintenance and repair, and use the start-stop function on the module


Input Voltage± 85 V DC
Output Voltage100V
Output Power120W
THD≤ 1% (rated output power), 1KHz
Frequency response40Hz-16KHz (+ 1dB,-3dB)
SNR≥ 80 dB
Heat dissipation modeForced air cooling
Protection modeOver-voltage, over-current, high temperature, overload and short circuit protection
Amplifier inputDigital signal and 100V emergency audio signal
Emergency audio interfaceBalanced Input
DimensionL 124xW 60xH 263
Weight1.1 kg