4.0k 4000 watt Mono Block Amplifier

DC Audio 4.0K Competition Series Amplifier – 4,000 Watt Monoblock

Serious Power. Competition Performance. DC Audio Engineering.

When it comes to building a high-performance car audio system, power, reliability, and control make all the difference. The DC Audio 4.0K Competition Series Amplifier delivers the performance serious bass enthusiasts and competitors demand. Engineered to produce 4,000 watts RMS at 1 ohm , this high-output monoblock amplifier is built to drive powerful subwoofer systems with authority.

Whether you're building a daily-driven bass machine, competing in SPL competitions, or putting together a serious high-powered subwoofer setup, the DC Audio 4.0K provides the power and flexibility to take your system to the next level.

Get On Our Level.

4,000 Watts RMS of Pure Bass Power

The DC Audio 4.0K is designed to deliver massive output while maintaining precise control over your subwoofers. Rated at 4,000 watts RMS at 1 ohm and 14.4 volts , this competition-grade amplifier can produce up to 4,400 watts RMS at 16.2 volts .

Need even more power? The DC Audio 4.0K features master/slave linking capabilities , allowing two amplifiers to be strapped together for up to 8,800 watts RMS at 2 ohms and 16.2 volts .

This makes the 4.0K an excellent choice for high-powered DC Audio subwoofers, custom SPL builds, and competition-level car audio installations.

Built for High-Power Car Audio Systems

Every detail of the DC Audio 4.0K is designed with serious audio enthusiasts in mind.

Dual 1/0 AWG Power and Ground Inputs

High-powered amplifiers demand a strong electrical foundation. The DC Audio 4.0K features dual 1/0 AWG power and ground connections to accommodate the heavy-duty wiring needed for high-current car audio systems.

1 Ohm Stable Performance

Designed for demanding subwoofer applications, the DC Audio 4.0K operates at 1 ohm in standalone mode, allowing you to get maximum performance from your subwoofer configuration.

Strappable for Extreme Output

Need more than 4,000 watts? Link two DC Audio 4.0K amplifiers together using the master/slave configuration to create a high-output system capable of delivering up to 8,800 watts RMS.

Wired Bass Remote with Clipping Indicator

Take control of your bass from the driver's seat. The included wired bass remote allows convenient adjustment of your system's bass level while the integrated clipping indicator helps you identify when the amplifier is being pushed beyond clean output.

Advanced Sound Tuning