SOUND STORM EVO2000.4 EVO 2000-Watt Full Range, Class A/B 2 to 8 Ohm Stable 4 Channel Amplifier with Remote Subwoofer Level Control Get more power with the Sound Storm EVO2000.4 4-Channel Class A/B Full Range Amplifier. With 2000 Watts Max Power and MOSFET power supply, this amplifier is ideal for your entire audio system. It can power up your speakers, subwoofers or a combination of both. Customize the sound with Variable Low and High Pass Crossover, Bass Boost, and Remote Subwoofer Control. Bridge Channels for even more power and flexibility. The EVO Series offers visually and sonically stunning amplifiers built to deliver outstanding performance and immense power for incredible fidelity and flexibility.