This Model Has Been Discontinued
D4.90
D Series 4 Channel

Search Authorized DD AUDIO Dealers Near You
Lowlife Customs Car Audio+
312 Granville Corners Oxford North Carolina (US)27565
Frankies Auto Electronics
4/142 Princes Highway, South Nowra, NSW, Australia 2541
HiFi HQ Australia
Unit 3, 69 Princes Hwy, Albion Park Rail NSW 2527, Australia
Infiniti Auto Sound & Security
12705 Liberty Avenue, South Richmond Hill, NY, USA
Intense Audio & Wheels
3135 North Macarthur Boulevard, Oklahoma City, OK, USA
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.
D4.90
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.

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We believe in supporting brick and mortar dealers and have carefully partnered with small businesses who can provide quality installation and customer satisfaction befitting DD AUDIO® equipment.
Check with your local dealer for stock and promotional discounts.