Hertz S8 DSP Hi-Res Compact Car Audio 32-Bit Digital Sound Processor SP 4.500
Powerful DSP with the excellent sound quality you expect from Hertz. Hertz SP 4.500 SPL Show 4-channel car amplifier — 90 watts RMS x 4. Hertz Advanced D-Class amp technology (frequency response: 10-35,000 Hz).