The SP 4.500 features a Hertz ADC (Advanced D-Class) output stage, with efficiency of up to 87% and provides power of 90 x 4 (4Ω) W RMS or 300 W x 2 (4Ω) W RMS when bridged. It has an incredibly compact size of 192.7 x 130 x 49 mm.

Ideal choice for motorcycle applications and for under-seat installation in sports cars.

• General Specs
• Channels: 4 - 3 - 2
• Nominal power supply voltage: 11 ÷ 15 VDC
• Idling current: 0.9 A
• Consumption @ 14.4 VDC: 27 A
• Distortion - THD @ 1 kHz, 4Ω: 150
• Bandwidth @ -3 dB: 10 Hz ÷ 35 kHz
• Pre-In sensitivity: 0.6 ÷ 6 VRMS
• Speaker-In sensitivity: 2.2 ÷ 22 VRMS
• Minimum load impedance: @ 4Ch 2Ω
• IP Rating: IP55
• Operating Temperature Range: 0°C to 55°C
• Weight: 2.15 kg