Your wife called, and said you can have whatever you want.              GATELY enclosures are rated for 500lb subwoofers and 10,000,000 WATTS! :)             Your husband called, and said you can have whatever you want.

DD Audio RL-SA300.4 Redline SA Series Small 4 Channel Amplifier

  • Sale
  • Regular price $189.00

Snap Logo
Lease for as low as $/week Learn More



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

RL-SA300.4: 300 Watt – Small 4 Channel Amplifier

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): 30
RCA Input Voltage Sensitivity: 6 - 2.5
High-Level Input Voltage Sensitivity: 20 - 1.1
RCA Input S/N: > 85
Damping Factor: > 70
THD: < 0.1%
Frequency Response (Hz): 10 - 30k
Sub-Sonic Filter: 35 - 250
Low-Pass Filter: 35 - 250
ZVL Input: No
Pass Thru Output: No
Power Wire Gauge: 4
Speaker Wire Gauge: 12
Dimensions (Inches): 7 x 3.8 x 1.69
Dimensions (MM): 180 x 96 x 43
Price (USD): 189 each