The 90.4 Competition series amplifer is a 90 watts per channel @ 4 ohms or 130 watts per channel @ 2 ohms. This amp has a fully active crossover and lots of clean power for the SQ minded builds. Its also fits installs where you may want to amplify your front stage and bridge the rear 2 channels to your sub stage and have a bass knob to control it. Versatility is what this amp is all about.


Key Features

• Variable high pass filter

• Variable Band pass filter

• 8awg Speaker Connections 

• 4awg inputs

• Input mode Switch

• Dual power Transformers

• Double Sided Printed Circuit Board

• Class A/B

• Fully Active Crossover



RMS: 90Wx4- @ 4ohm - 14.4V

          130Wx4- @ 2ohm - 14.4V

          250Wx2- @4om - 14.4v 

Imput Sensitivity: 6V~0.2V 

CH 1/2:

         Subsonic Filter: 10Hz~100Hz

         Crossover: 50Hz(500Hz)~500Hz(5kHz)

         Bass Boost: 0~18db 

CH 3/4: 

         Subsonic FIlter: 10Hz~100Hz 

         Crossover: 50Hz(500Hz)~500Hz(5kHz)

         Bass Boost: 0~18db 

Frequency Response: 20Hz-20kHz 

Signal to Noise Ratio: 105dB 

Damping Factor: 200< 

THD @ 4ohm: Less than 0.1% 

Fuse Rateing: 80 Amps 

Power Terminal Size: 4 Guage 


Length: 14.00" 

Width: 9.38" 

Hight: 2.35" 

DC Audio 90.4 Amplifier

SKU: DC904k
$565.00 Regular Price
$452.00Sale Price