HERTZ The Hertz SP4.900 is the first Hertz amplifier featuring the renewed Hertz ADC (Advanced D-Class) output stage, reaching up to 85 per cent efficiency and delivering an impressive power rating of 160Wx4 (4 Ohm) RMS or 500Wx2 (4 Ohm) RMS when bridged, with an ultra-compact size of 211.6 x 130 x 49mm. Being ultra-compact with impressive power, the SP4.900 is the ideal choice for motorcycle applications and for under-seat in sports cars and behind-seat installations in trucks.

Features

• Up to 85 per cent efficiency thanks to ADC (Advanced D-Class) output stage
• USS (Universal Speakers Simulators) allows it to work with head units featuring the speaker load detection circuit
• 160Wx4 RMS with an ultra-compact size 211.6 x 130 x 49mm
• IP55 Aluminium chassis for maximum protection against humidity and external agents
• No cooling fan to prevent internal accumulation of dirt
• 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