SP 4.500 is the first Hertz amplifier featuring the renewed Hertz ADC (Advanced D-Class) output stage, reaching up to 85% efficiency and delivering an impressive power rating of 90 x 4 (4 Ohm) W RMS or 300 W x 2 (4 Ohm) W RMS when 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.
Pulse Operating voltage 6 - 16 VDC
Consumption @ 14.4 VDC, MIN load impedance (Max Musical Power) 27 A
Output Nominal Power (RMS) @ 14.4 VDC, THD 1%:
4 Ch: 90 W x 4 (4 Ohm)
4 Ch: 150 W x 4 (2 Ohm)
3 Ch: 80 W x 2 (4 Ohm) + 330 W x 1 (4 Ohm)
3 Ch: 145 W x 2 (2 Ohm) + 300 W x 1 (4 Ohm)
2 Ch: 300 W x 2 (4 Ohm)
