This Model Has Been Discontinued


D Series 4 Channel


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Don’t have a DD AUDIO dealer near you? Contact us online or call us at 405-239-2800 to purchase direct.

The D4.90’s compact chassis and powerful output section are perfect for today’s space-constrained vehicles.

Its robust feature set includes high-level inputs with summing which makes it possible to seamlessly integrate into many of today’s OEM audio systems without needing an external signal adaptor. It also features a double sided-conformal coated PCB, angle lock set screw terminals, HP/LP/BP crossover networks, and an input selection switch.


Test Voltage: 14.4
Input Channel(s): 1
Output Channel(s): 4
Continuous Wattage @4ohm: 90 x 4 / 240 x 2
Continuous Wattage @2ohm: 120 x 4
Max Current Draw (Amps): 45
RCA Input Voltage Sensitivity: 200mV - 6V
RCA Input S/N: > 80dB
THD: < 0.3%
Pass Thru Output: Yes
Power Wire Gauge: 4
Speaker Wire Gauge: 12
Dimensions (Inches): 9 x 5 x 2
Dimensions (MM): 233 x 125 x 47
Price (USD): 279 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

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