• A4
  • A4
  • A4
  • A4
  • A4


The A4 belongs to the A Series amplifier line which offers highly reliable, feature rich designs, generally found only in high end amplifiers, but at entry level prices. This makes the A Series amplifiers one of the best values in car audio.

The A4 delivers 75W x 4CH at 2 ohm stereo and 130W x 2CH at 4 ohm brodged. This amp is the perfect match for the DD CXS and CS components.

All full range A Series amplifiers have the following features:

  • MOSFET power supplies

  • Class AB topology

  • Variable LPF and HPF crossover networks

  • Variable 0-12db bass boost at 45Hz

  • Daisy chain capability

  • Tri Mode output capability

  • Soft turn on 5-way protection circuits

  • 2 OHM stereo stability

Bridged / Bridgeable 75W x 4CH, 130W x 2CH
Channels 2, 3, or 4
Cont Power at 1 Ohm NA
Cont Power at 2 Ohm 75W x 4CH
Cont Power at 4 Ohm 55W x 4CH, 130W x 2CH
Damping Factor >100
Dimensions (US) 9.44in x 9.44in x 2.08in
Dimensions (Metric) 240mm x 240mm x 53mm
Dynamic Power 600W
Input Sensitivity 0.2V-6V
S/N Ratio >95dB
Tested THD 0.05%
Tested Voltage 14.4V
Variable Bass Boost 0-12dB
Variable High Pass Filter 50Hz-5kHz
Variable Low Pass Filter 50Hz-500Hz
Wire Gauge (Power and Ground) Spade Terminal
Wire Gauge (Speaker Output) Spade Terminal

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