Hertz SP 4.500, D-Class 4 Channel Amplifier, 600W RMS

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SP 4.500 features Hertz ADC (Advanced D-Class) output stage, reaching up to 87% efficiency and delivering an impressive power rating of 90 x 4 (4Ω) W RMS or 300 W x 2 (4Ω) W RMS wh en bridged, with an ultra-compact size of 192.7 (7.58) x 130 (5.1) mm (in.) x 49 (1.9). Being ultra-compact with impressive power, SP 4.500 is the ideal choice for Motorcycle applications and for under-seat in sports cars and behind-seat installations in trucks. Features Up to 87% efficiency thanks to ADC (Advanced D-Class) output stage. USS (Universal Speakers Simulators) allows SP 4.500 to work with head units featuring the “speaker load detection” circuit. 90 W RMS x 4 (4Ω) with ultra-compact size: 192.7 x 130 x 49 / 7.59 x 5.12 x 1.93 (mm/inch) IP55 aluminum chassis for maximum protection against humidity and external agents. No cooling fan to prevent internal accumulation of dirt. Sealed power cord, line inputs and speaker outputs to prevent oxidation. Crossover filters and controls on a single side to facilitate calibration when the product is installed. Balanced fully-differential high-noise rejection inputs. ART (Automatic Remote Turn-On/Off) automatically turns on/off the amplifier when the OEM head-unit turns on/off (can be enabled/disabled). Show more