DD Audio DD-RL-SA300.4 RedLine 4-Channel Compact Amplifier 4 x 75W RMS



The REDLINE SA Series amplifiers utilize the latest Class D topology to offer powerful output from an ultra compact chassis. Small space, big power, sizable savings.

The RL-SA300.4 is designed to be a go-to aftermarket upgrade amplifier for driving DD REDLINE Series coaxials and components. For added versatility, the rear channels can be bridged to drive a subwoofer providing a complete audio upgrade from a single amplifier!

With the ability to utilize either RCA Line Level or High Level inputs, the REDLINE SA Series amplifiers provide easy factory integration without the need for a line output converter or aftermarket head unit.

The REDLINE SA Series amplifiers are equipped with set screw power and speaker terminals offer secure and reliable connections usually reserved for higher end amplifiers.


  • Variable 12dB Crossovers
  • Class D Topology
  • Hi Level Inputs
  • Set Screw Power and Speaker Terminals
Operating Voltage: 10 – 16
Test Voltage: 14.4
Output Channel(s): 4
Continuous Wattage @4ohm: 4 x 65 / 2 x 120
Continuous Wattage @2ohm: 4 x 75
Dynamic Wattage: 600
Max Current Draw (Amps):