Hertz SP 4.500 SPL Show 600W Advanced D-Class 4-Channel Amplifier

Ideal Choice For Motorcycle Applications Under-Seat in Sports Cars & Behind-Seat Installations in Trucks!

SPL Show 4-Channel Amplifier
The SP 4.500 features Hertz ADC (Advanced D-Class) output stage, reaching up to 87% efficiency and delivering an impressive power rating of 90 x 4 (4Ω) W RMS or 300 W x 2 (4Ω) W RMS when bridged, with an ultra-compact size of 192.7 (7.58) x 130 (5.1) mm (in.) x 49 (1.9). Being ultra-compact with impressive power, SP 4.500 is the ideal choice for Motorcycle applications under-seat in sports cars and behind-seat installations in trucks.

Up to 87% efficiency thanks to ADC (Advanced D-Class) output stage.

USS (Universal Speakers Simulators) allows SP 4.500 to work with head units featuring the “speaker load detection” circuit.

90 x 4 RMS (4Ω) with ultra-compact size (192.7 x 130 x 49 mm)

IP55 aluminum chassis for maximum protection against humidity and external agents.

Features:

• Up to 87% efficiency thanks to ADC (Advanced D-Class) output stage.
• USS (Universal Speakers Simulators) allows SP 4.500 to work with head units featuring the “speaker load detection” circuit.
• 90 W RMS x 4 (4Ω) with ultra-compact size: 192.7 x 130 x 49 / 7.59 x 5.12 x 1.93 (mm/inch)
• IP55 aluminum 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.
• Crossover filters and controls on a single side to facilitate calibration when the product is installed.
• Balanced fully differential high-noise rejection inputs.
• ART (Automatic Remote Turn-On/Off) automatically turns on/off the amplifier when the OEM head-unit turns on/off (can be enabled/disabled).

Specifications:

• Channels: 4 - 3 - 2
• Nominal Power Supply Voltage: 11 ÷ 15V DC
• Pulse Operating Voltage: 6 ÷ 16V DC
• Idling Current: 0.9A
• Idling Current When Off: 0.03mA
• Consumption @ 14.4V DC, Min. Load Impedance (Max Musical Power): 27A
• Remote-IN: 6 ÷ 15V DC (9mA)
• DC-REM - Remote Turn On by SPK DC From OUTPUT BTL Speakers: 3.5 ÷ 7V DC
• Distortion - THD @ 1 kHz, 4Ω, 70% Rated Power: <0.02%
• Damping factor @ 1 kHz, 4Ω, 2V RMS: >150
• Bandwidth @ -3dB: 10Hz ÷ 35kHz
• S/N Ratio (A-Weighted @ 1V Input): 100 dBA
• Pre-In Sensitivity: 0.6 ÷ 6V RMS
• Speaker-In Sensitivity: 2.2 ÷ 22V RMS
• Minimum Load Impedance:
  @ 4Ch 2Ω
  @ 3Ch 2Ω + 2Ω + 4Ω
  @ 2Ch 4Ω
• IP Rating: IP55
• Operating Temperature Range: 0°C (32°F) ~ 55°C (131°F)
• Adjustable Crossover:s Yes
• Output Nominal Power (RMS) @ 14.4 VDC, THD 1%:
  4 Ch: 90W x 4 (4Ω)
  4 Ch: 150W x 4 (2Ω)
  3 Ch: 80W x 2 (4Ω) + 330 W x 1 (4Ω)
  3 Ch: 145W x 2 (2Ω) + 300 W x 1 (4Ω)
  2 Ch: 300W x 2 (4Ω)
• Total Power: 600W
• Max Size: 92.7mm x 130mm x 49mm (7.58" x 4.18" x 1.9")
• Weight: 2.15kg