D Series 5 Channel Amplifier


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D Series amplifiers are compact amplifiers with full size features. The D5.350 is a five channel amplifier designed to power an entire audio system while taking up minimal space. It has a four channel section with a total output power of 560 watts and a 350 watt dedicated sub section.

Precision tuning is made easy with variable bandpass crossovers and LED clipping indicators. Installation is made easier with single side controls and connections, input mode switches, and auto turn-on options. 

For boat, bike, and ATV applications conformal coated internal circuitry and corrosion proof switches offer increased moisture resistance.  

Even though the D Series amplifiers are very compact they still employ set screw power and speaker terminals, discrete output sections, and heavy duty anodized aluminum heatsinks. This ensures power management is proper from input to output, increasing both in-use stability and long term durability.


  • Conformal Coated Internal Circuitry
  • Corrosion Proof Switches
  • Full Bandpass Crossovers
  • Auto Turn-On
  • Clipping Indicators
  • Differential RCA Inputs
  • 2ch or 5ch Input Mode


Operating Voltage: 9 - 16
Test Voltage: 14.4
Input Channel(s): 1
Output Channel(s): 5
Continuous Wattage @4ohm: (CH1~4) 85 x 4 / 280 x 2 (CH5) 130 x 1
Continuous Wattage @2ohm: (CH1~4) 140 x 4 (CH5) 230 x 1
Continuous Wattage @1ohm: (CH5) 350 x 1
Max Current Draw (Amps): 90
RCA Input Voltage Sensitivity: 8 ~ 0.2
RCA Input S/N: > 85dB
Damping Factor: > 100
THD: < 0.2%
Frequency Response (Hz): 30 ~ 25k
Sub-Sonic Filter: (CH1~4) 30 - 5k
Sub-Sonic Filter: (CH5) 25 - 100
Low-Pass Filter: (CH1~4) 50 - 5k / (CH5) 50 - 500
Pass Thru Output: Yes
Remote Control: Remote Included in Box
Power Wire Gauge: 4
Speaker Wire Gauge: 12
Dimensions (Inches): 9.8 x 4 x 1.7
Dimensions (MM): 250 x 104 x 43
Price (USD): 665 each

The D Series amplifiers are designed to be the best amps on the market for the everyday mobile audio enthusiast.  These class D amplifiers feature compact chassis, superb sound quality, reliable circuits, and powerful output sections. They’re available in several channel and power configurations assuring there is a D Series amp to power your system.


Included in the Box

Hex Wrenches
Mounting Screws
Spare Switch Jumpers

DD Audio
4025 NW 36th Street
Oklahoma City, OK 73112
(405) 239-2800 | Fax: (405) 239-7100