$ 0 0 MA6004JBL MARINE POWER AMPLIFIER SCHEMATICThe MA6004 can be set up for stereo 4-channel, 3-channel or bridged 2-channel operation. Minimum speaker impedance for stereo operation is 2 ohms. Minimum speaker impedance for bridged operation is 4 ohms.CLICK ON THE SCHEMATICS TO ZOOM IN