Hertz SP 4.900 SPL Show Class D 4 Channel Amplifier

Ch: 4 – 3 – 2 | 1000 W
SP 4.900 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 160 x 4 (4) W RMS or 500 W x 2 (4) W RMS when bridged, with an ultra-compact size of 211.6 (8.3) x 130 (5.1) mm (in.). Being ultra-compact with impressive power, SP 4.900 is the ideal choice for Motorcycle application and for under-seat in sports cars and behind-seat installations in trucks.

Features:

1. Up to 87% efficiency thanks to ADC (Advanced D-Class) output stage.
2. USS (Universal Speakers Simulators) allows SP 4.900 to work with head units featuring the speaker load detection circuit.
3. 160 W RMS x 4 (4) with ultra-compact size 211.6 x 130 x 49 / 8.3 x 5.1 x 1.9 (mm/inch).
4. IP55 aluminium chassis for maximum protection against humidity and external agents.
5. No cooling fan to prevent internal accumulation of dirt 6. Sealed power cord, line inputs, and speaker outputs to prevent oxidation.
6. Crossovers filters and controls on a single side to facilitate calibration when the product is installed.

Specs

General Specs
Channels 4 – 3 – 2
Nominal power supply voltage 11 15 VDC
Pulse Operating voltage 6 16 VDC
Idling current 1.1 A
Idling current when off 0.03 mA
Consumption @ 14.4 VDC, MIN load impedance (Max Musical Power) 50 A
Remote IN 6 15 VDC (9 mA)
DC-REM – Remote Turn on by SPK DC from OUTPUT BTL speakers 3.5 7 VDC
Distortion – THD @ 1 kHz, 4, 70% Rated Power 0.02%
Damping factor @ 1 kHz, 4, 2 VRMS 200
Bandwidth @ -3 dB 10 Hz 35 kHz
S/N ratio (A weighted @ 1 V Input) 105 dBA
Pre-In sensitivity 0.6 6 VRMS
Speaker-In sensitivity 2.2 22 VRMS
Minimum load impedance:
@ 4Ch 2
@ 3Ch 2 + 2 + 4
@ 2Ch 4
IP Rating IP55
Operating Temperature Range 0C (32F) to 55C (131F)
Max size (mm/inch) 211.6 x 130 x 49 / 8.33 x 5.118 x 1.929
Weight (kg/lbs) 2.15 / 4.74
Adjustable Crossovers yes

Output Power
Output Nominal Power (RMS) @ 14.4 VDC, THD 1%:
4 Ch: 160 W x 4 (4)
4 Ch: 250 W x 4 (2)
3 Ch: 160 W x 2 (4) + 500 W x 1 (4)
3 Ch: 250 W x 2 (2) + 500 W x 1 (4)
2 Ch: 500 W x 2 (4)
Total Power 1000 W

INPUTS / FILTERS
INPUTS: Pre IN / Speaker IN
Ch 1-2
Full –
Hi-pass 50 5k Hz @ 12 dB/Oct.
Lo-pass: 50 5k Hz @ 12 dB/Oct.
Ch 3-4
Full –
Hi-pass 50 5k Hz @ 12 dB/Oct.
Lo-pass 50 5k Hz @ 12 dB/Oct.
Bass Boost 45Hz (adjustable) (0 8) dB [LP = ON only]