Description
- Up to 87% efficiency thanks to ADC (Advanced D-Class) output stage.
- USS (Universal Speakers Simulators) allows SP 4.900 to work with head units featuring the “speaker load detection” circuit.
- 160 W RMS x 4 (4Ω) with ultra-compact size 211.6 x 130 x 49 / 8.3 x 5.1 x 1.9 (mm/inch).
- IP55 aluminium chassis for maximum protection against humidity and external agents.
- No cooling fan to prevent internal accumulation of dirt 6. Sealed power cord, line inputs, and speaker outputs to prevent oxidation.
- Crossovers filters and controls on a single side to facilitate calibration when the product is installed.
Technologies
Up to 87% efficiency thanks to ADC (Advanced D-Class) output stage
USS (Universal Speakers Simulators) allows SP 4.900 to work with head units featuring the “speaker load detection” circuit
160 x 4 RMS (4Ω) with ultra-compact size (211.6 x 130 mm)
IP55 aluminum chassis for maximum protection against humidity and external agents
Input/Output
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, 4Ω, 70% Rated Power | 0.02% |
| Damping factor @ 1 kHz, 4Ω, 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 | 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) | 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 (4Ω) |
| 4 Ch: | 250 W x 4 (2Ω) |
| 3 Ch: | 160 W x 2 (4Ω) + 500 W x 1 (4Ω) |
| 3 Ch: | 250 W x 2 (2Ω) + 500 W x 1 (4Ω) |
| 2 Ch: | 500 W x 2 (4Ω) |
| 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] |
Physical Specs
| mm | in | |
| A | 205 | 8.07 |
| B | 211.6 | 8.33 |
| C | 107 | 4.212 |
| D | 130 | 5.118 |
| E | 49 | 1.929 |
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