BOSS Audio Systems R2504 Riot Series Car Audio Amplifier - 1000 High Output, 4 Channel, Class A/B, 2/4 Ohm, High/Low Level Inputs, High/Low Pass Crossover, Bridgeable, Full Range Get your music pumping with the Boss Audio Riot R2504 Class A/B 4-Channel Full Range Amplifier. This 2-Ohm stable Amplifier features 1000 Watts Max Power with a MOSFET power supply to maximize your music. Customize the sound with Variable Low Pass Crossover, High Pass Crossover and Bass Boost. Tweak the Bass with the Remote Subwoofer Control. Bridge channels for more power and flexibility. Amplifiers in the Riot Series are perfect for first time car audio buyers looking to add Bass, enhanced sound and performance to their system at an affordable price. Pump up the volume with the Boss Audio R2504. Power and Flexibility Take your audio experience up a notch with the Boss Audio Riot R2504 Class A/B 4-Channel Full Range Amplifier. With 1000 Watts Max Power and MOSFET power supply, this amplifier is ideal for your entire audio system. This 4-Channel Amplifier can power up your speakers, subwoofers or a combination of both. Customize the sound with Fixed High Pass Crossover, Variable Low Pass Crossover, Bass Boost and Remote Subwoofer Control. Bridge channels for more power and flexibility. Amplifiers in the Riot Series are perfect for first time car audio buyers looking to add bass, enhanced sound and performance to their system at an affordable price. Class A/B Full Range 4-Channel, MOSFET Power Supply 1000 Watts @2-Ohms Max Power 188 Watts x 4 RMS @2-Ohms High and Low Level Inputs Fixed High Pass Crossover, Variable Low Pass Crossover, Bass Boost Remote Subwoofer Control Bridgeable