Electronics System Controllers - Amplifiers - Subwoofer DSP SA-2 Power Amp SA-3 Power Amp SW-1 Subwoofer Amp w/DSP MiniDSP-1 SC-2 SC-3 SA-2 high efficiency 2-CH 500-Watt per channel amplifier. SA-3 high efficiency 3-CH 500-Watt per channel amplifier. Each SW-1 is programmed for use with a specific subwoofer model and is not capable of supporting different subwoofer models simultaneously. The MiniDSP-1 RTL Subwoofer Signal Processor will provide the necessary signal processing for the passive Wisdom Audio subwoofer with which it is paired. The SC-2 is a 2RU system controller offering 8-channel in to 16-channel out, and operate at 24-bit 96 kHz. The SC-2 provides the necessary digital active crossover and digital EQ profiles for all Wisdom Audio loudspeakers. Now featuring Dirac Live. The SC-3 is a 3RU system controller offering 16-channel in to 32-channel out (16 Dirac CH’), and operate at 24-bit 96 kHz. The SC-3 provides the necessary digital active crossover and digital EQ profiles for all Wisdom Audio loudspeakers. Now featuring Dirac Live.