Description
Hertz ADC
(Advanced D-Class)
SP 4.500 features Hertz ADC (Advanced D-Class) output stage, reaching up to 85% efficiency and delivering an impressive power rating of 90 x 4 (4Ω) W RMS or300 W x 2 (4Ω) 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.
General Specs
| Channels | 4 – 3 – 2 |
| Nominal power supply voltage | 11 ÷ 15 VDC |
| Pulse Operating voltage | 6 ÷ 16 VDC |
| Idling current | 0.9 A |
| Idling current when off | 0.03 mA |
| Consumption @ 14.4 VDC, MIN load impedance (Max Musical Power) | 27 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, 4Ω, 70% Rated Power | <0.02% |
| Damping factor @ 1 kHz, 4Ω, 2 VRMS | >150 |
| Bandwidth @ -3 dB | 10 Hz ÷ 35 kHz |
| S/N ratio (A weighted @ 1 V Input) | 100 dBA |
| Pre-In sensitivity | 0.6 ÷ 6 VRMS |
| Speaker-In sensitivity | 2.2 ÷ 22 VRMS |
| Minimum load impedance: | |
| @ 4Ch | 2Ω |
| @ 3Ch | 2Ω + 2Ω + 4Ω |
| @ 2Ch | 4Ω |
| IP Rating | IP55 |
| Operating Temperature Range | 0°C (32°F) to 55°C (131°F) |
| Max size (mm/inch) | 192.7 x 130 x 49 / 7.58 x 4.18 x 1.9 |
| Weight (kg/lbs) | 2.15 / 4.74 |
| Adjustable Crossovers | yes |
Output Power
| Output Nominal Power (RMS) @ 14.4 VDC, THD 1%: | |
| 4 Ch: | 90 W x 4 (4Ω) |
| 4 Ch: | 150 W x 4 (2Ω) |
| 3 Ch: | 80 W x 2 (4Ω) + 330 W x 1 (4Ω) |
| 3 Ch: | 145 W x 2 (2Ω) + 300 W x 1 (4Ω) |
| 2 Ch: | 300 W x 2 (4Ω) |
| Total Power RMS | 600 W |
INPUTS / FILTERS
| INPUTS: | Pre IN / Speaker IN |
| Ch 1-2 | |
| Full | Yes |
| Hi-pass | 50 ÷ 5k Hz @ 12 dB/Oct. |
| Lo-pass: | 50 ÷ 5k Hz @ 12 dB/Oct. |
| Ch 3-4 | |
| Full | Yes |
| Hi-pass | 50 ÷ 5k Hz @ 12 dB/Oct. |
| Lo-pass | 50 ÷ 5k Hz @ 12 dB/Oct. |
| Bass Boost 45Hz (adjustable) | OUT 3 – 4 (0 ÷ 8) dB [LP = ON only] |
Physical Specs
Vehicle Information
