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This Model Has Been Discontinued


D Series 4 Channel


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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.

Jabee Toyota Prius Loaded Enclosure Being Installed

Support Small Business and Enjoy Expert Installation

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.