Description

Hertz SP4.900 – Ultra-Compact 4-Channel 1000W D-Class Amplifier

The Hertz SP4.900 amplifier is a compact yet powerful choice, featuring the new Hertz ADC (Advanced D-Class) output stage, providing up to 85% efficiency. With a power rating of 160W x 4 at 4 Ohms or 500W x 2 when bridged, this amplifier is ideal for motorcycles, sports cars, and trucks with limited installation space. The durable IP55-rated aluminum chassis ensures protection from humidity and external elements, making it a robust solution for diverse environments.

Key Features

High Efficiency: Up to 85% efficiency with Advanced D-Class output stage.
Universal Speaker Compatibility: Equipped with Universal Speaker Simulators (USS) for compatibility with head units that have speaker load detection.
Compact Power: 160W x 4 (4Ω) in an ultra-compact 211.6 x 130 x 49mm chassis.
IP55-Rated Chassis: Protects against moisture and external contaminants.
Fanless Design: Prevents dust accumulation, ensuring longevity.
Sealed Connectors: Power cord, line inputs, and speaker outputs are sealed to prevent oxidation.
Single-Side Controls: All crossover filters and settings are on one side for easy access.

General Specifications

Channels: Configurable for 4, 3, or 2 channels
Power Supply Voltage: 11 – 15 VDC
Operating Voltage Range: 6 – 16 VDC
Idling Current: 1.1 A
Maximum Current Consumption: 50 A at 14.4 VDC (Max Musical Power)
Remote Turn-On (DC-REM): Operates with speaker output signal (3.5 – 7 VDC)
Distortion (THD): 0.02% @ 1 kHz, 4Ω
Damping Factor: 200 @ 1 kHz, 4Ω
Frequency Range: 10 Hz – 35 kHz
Signal-to-Noise Ratio: 105 dBA
Pre-In Sensitivity: 0.6 – 6 VRMS
Speaker-In Sensitivity: 2.2 – 22 VRMS
IP Rating: IP55 for outdoor protection
Operating Temperature: 0°C to 55°C (32°F to 131°F)
Dimensions: 211.6 x 130 x 49 mm (8.33 x 5.12 x 1.93 in)
Weight: 2.15 kg (4.74 lb)

Output Power Ratings

RMS @ 14.4 VDC, THD 1%:

4 Channels: 160W x 4 (4Ω)
2 Channels (Bridged): 500W x 2 (4Ω)
Total Power: 1000W

Inputs and Filters

Input Types: Pre IN / Speaker IN
Filters:
High-Pass Filter: 50 – 5k Hz @ 12 dB/Oct
Low-Pass Filter: 50 – 5k Hz @ 12 dB/Oct
Bass Boost (45Hz): Adjustable from 0 – 8 dB (available with LP filter on)
This summary highlights key features and specifications, presenting an efficient overview of the Hertz SP4.900.