Your car audio install needs the perfect balance of stealth and strength. The all-new Ruthless Audio 800.4 Micro Amplifier is built for those who want serious power without going overboard. Delivering a true 800 watts RMS, it’s the amplifier that bridges the gap between daily-driver convenience and competition-grade output.  Very compact, space limited install friendly design.  The 800.4 is slim enough for tight installs, yet strong enough to power serious full systems. 

With 800 Watts RMS, that is a sweet spot of power for driving high end component speakers and pro-audio setups with authority.  Bringing precision Class-D design and delivering high-efficiency performance with razor sharp clarity.  That power allows for flexible configurations, power all your door speakers or even bridge into 2 channels for bigger loads.  Built Ruthless tough, proven rugged construction for long-lasting, dependable performance.  Whether you’re upgrading a stock system or building a custom setup, the 800.4 Micro Amplifier delivers the muscle you need with the control you want — all in a ruthlessly compact chassis.

RMS POWER: 200W x 4 @ 14.4V - 2 ohms
RMS POWER: 120W x 4 @ 14.4V - 4 ohms
Frequency Response: 20Hz - 8KHz
High Pass Filter: 20Hz - 8kHz
Low Pass Filter: 50Hz - 8kHz
Signal to Noise Ratio: 95dB <
Fuse Rating: 80
Operating Voltage: 9 to 16 Volts
Length 9.25” overall (heatsink 8.25”)

Width    4.7”

Height   2.2”

Extended Warranty

No – Standard Warranty (1 Year)

Includes the standard 1-year manufacturer defect warranty.

Yes – Extended Warranty (2 Years Total)

Adds 1 additional year of manufacturer defect warranty coverage (2 years total).