Ruthless Audio 400.4 MicroSmall in size, Ruthless in power. The new Ruthless Audio 400. 4 Micro Amplifier is engineered for serious enthusiasts who demand big performance without sacrificing space. Dont be fooled by its compact footprintthis amp delivers a clean, dynamic 400 watts of RMS power across 4 channels, giving your speakers the clarity, punch, and authority they deserve. The ultra Compact Design is perfect for tight installs, motorcycles, powersports, or stealth

4V: 430W RMS

Dimensions (H x W x D): 52

500 doesn’t just hit—it slams

it delivers clean

6 Cubic foot ported

any color(s) you want

Frequency Response: 20Hz - 8KHz

200 watts RMS across 4 channels

That power allows for flexible configurations

• Double seam at sleeves and bottom hem

Introducing our all new

4 can be versatile 4-Channel as you can power your full system or bridge channels for even more output flexibility