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The SP 4.900 is the first Hertz amplifier to feature the renewed ADC (Advanced D-Class) output stage, achieving up to 87% efficiency. It delivers 160W x 4 (4Ω) or 500W x 2 (4Ω bridged) RMS power in an ultra-compact size of 211.6 x 130mm. The IP55-rated aluminium chassis offers robust protection against moisture and dust, while the absence of a cooling fan prevents internal dirt build-up. Built-in USS (Universal Speakers Simulator) ensures compatibility with head units featuring speaker load detection. All crossover filters and controls are located on a single side for easy calibration, making it ideal for motorcycles, sports cars and trucks.
Hertz SPL Show SP 4.900 D-Class 4-Channel Amplifier 1000W
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Channels: 4 - 3 - 2
Nominal Power Supply Voltage: 11 - 15 VDC
THD @ 1 kHz, 4Ω, 70% Rated Power: 0.02%
S/N Ratio (A weighted @ 1 V Input): 105 dBA
Bandwidth @ -3 dB: 10 Hz - 35 kHz
IP Rating: IP55
Operating Temperature Range: 0°C to 55°C
Output Power (4 Ch @ 4Ω): 160 W x 4 RMS
Output Power (2 Ch Bridged @ 4Ω): 500 W x 2 RMS
Total Power: 1000 W
Weight: 2.15 kg
Dimensions (mm): 211.6 x 130 x 49