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Description
xSP 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 (4Ω) W RMS or 500 W x 2 (4Ω) 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.
Hertz ADC
(Advanced D-Class)
The Herz SP compact amplifier range consists of three high-performance models. There are two four-channel models, the flagship SP4.900 with 160 x 4 W RMS at 4Ω and the SP4.500 with 90 x 4 W RMS at 4Ω, and a mono model SP1.900 boasting 1000 W RMS at 1Ω.
Hertz SP amplifier are the first Hertz amplifier featuring the renewed Hertz ADC (Advanced D-Class) output stage, reaching up to 87% efficiency and delivering an impressive power rating, with an ultra-compact size.
Being ultra-compact with an impressive power, SP amplifiers are the ideal choice for Motorcycle application and for under-seat in sport 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 4.900 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.
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] |
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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