1. Product Overview
The Hertz CENTO POWER CP 4.800 is a 4-channel power amplifier designed to enhance your car audio system. It features Hi-Res Audio certification, providing a frequency response from 10 Hz to 41 kHz for detailed sound reproduction. This amplifier combines a high power-to-size ratio with an efficiency greater than 85%, housed in a durable aluminum diecast case. It offers full Plug & Play connections for straightforward installation and includes advanced crossover filters and bass boost options for sound customization.
2. Key Features
- Hi-Res Audio Certification: Delivers a frequency response from 10 Hz to 41 kHz for superior sound quality.
- High Power-to-Size Ratio: Efficient design with over 85% efficiency in a compact form factor.
- Durable Construction: Encased in a robust aluminum diecast case for longevity and heat dissipation.
- Plug & Play Connections: Simplifies installation with user-friendly connections.
- Advanced Sound Customization: Features advanced crossover filters and bass boost options for tailored audio output.
- Universal Speaker Simulator (USS): Allows integration with a wide range of input voltages (1.6V to 40V RMS), compatible with both factory and aftermarket head units.
- Wide Operating Voltage: Power supply engineered to handle 9 to 18 Volts, suitable for various vehicle electrical systems, including modern and electric vehicles.
3. Setup and Installation
The CP 4.800 amplifier is designed for flexible installation. Its compact D-Class technology allows for high output from a small footprint, reducing heat and improving power management, which is beneficial in tight installation spaces. The Universal Speaker Simulator (USS) technology ensures compatibility with a broad range of input voltages, from 1.6V to 40V RMS, allowing seamless integration with both advanced factory head units and aftermarket systems. The power supply supports a voltage range of 9 to 18 Volts, making it suitable for traditional 12V charging systems, modern vehicles with advanced electrical systems, and electric vehicles where voltage can vary significantly. All connections are designed for plug-and-play ease.
4. Operating the Amplifier
The CP 4.800 offers significant flexibility in its channel configuration. It can operate as a 4-channel amplifier, or be bridged down to a 3-channel or 2-channel setup. It is 2-ohm stable, providing 110 Watts x 4 channels at 4 ohms, or 190 Watts x 4 channels at 2 ohms. When bridged, it can deliver 380 Watts x 2 channels at 4 ohms. This versatility makes it suitable for powering front and rear speakers, or for a 3-way active setup utilizing the mids and highs. The amplifier includes advanced crossover filters and bass boost options, accessible via top-mounted controls, allowing for precise sound tuning.
5. Maintenance
To ensure optimal performance and longevity of your Hertz CP 4.800 amplifier, regular maintenance is recommended. Keep the amplifier clean and free from dust and debris. Ensure adequate ventilation around the unit to prevent overheating. Periodically check all wiring connections for tightness and corrosion. Avoid exposing the amplifier to extreme temperatures or moisture.
6. Troubleshooting
If you experience issues with your Hertz CP 4.800 amplifier, consider the following basic troubleshooting steps:
- No Power: Check the power connections (+12V, GND, REM) and ensure the fuse is intact. Verify the vehicle's battery voltage is within the 9-18V operating range.
- No Sound: Confirm all input (Pre-In/Speaker-In) and speaker output connections are secure. Check the source unit for proper output. Verify amplifier settings, including level and crossover filters.
- Distorted Sound: Adjust input gain (Level) to prevent clipping. Check speaker impedance to ensure it matches the amplifier's stable operating range. Inspect speaker wiring for shorts.
- Overheating: Ensure the amplifier has sufficient ventilation. Reduce the volume or check for speaker impedance issues that might cause excessive load.
For persistent issues, consult a professional car audio technician.
7. Specifications
| Specification | Value |
|---|---|
| Manufacturer | Hertz |
| Model | CP-4.800 |
| Brand | HERTZ |
| Number of Channels | 4 |
| Amp Class | D |
| Nominal Power Supply Voltage (fuse) | 11 ÷ 15 VDC (1 x 40 A) |
| Operating Power Supply Voltage | 9 ÷ 18 VDC |
| Idling Current | 1.15 A |
| Standby Current Draw | 4.2 uA |
| Consumption, MIN load impedance (Max Musical Power) | 32 A |
| Remote IN | 4 ÷ 17 VDC (1 mA) |
| ART - Automatic Remote Turn on/off from SPK-IN (BTL radio only) | 1.5 VDC |
| Efficiency | 85% |
| Distortion - THD @ 100 Hz, 70% Rated Power | 0.02 % |
| Damping Factor @ 1 kHz, 1W | 100 |
| Bandwidth @ -3 dB | 10 Hz ÷ 47k Hz |
| S/N Ratio (A-weighted @ 1 V Input) | 101 dBA |
| Minimum Load Impedance @ 4 Ch | 2 Ω |
| Minimum Load Impedance @ 3 Ch | 2 Ω + 2 Ω + 4 Ω |
| Minimum Load Impedance @ 2 Ch | 4 Ω |
| Adjustable Crossovers | Yes |
| Output Power (RMS) @ 1% THD: 4Ch @ 4Ω | 110 W x 4 |
| Output Power (RMS) @ 1% THD: 4Ch @ 2Ω | 190 W x 4 |
| Output Power (RMS) @ 1% THD: 3Ch @ 4Ω / 4Ω | 100 W x 2 + 400 W x 1 |
| Output Power (RMS) @ 1% THD: 3Ch @ 2Ω / 4Ω | 190 W x 2 + 380 W x 1 |
| Output Power (RMS) @ 1% THD: 2Ch @ 4Ω | 380 W x 2 (4Ω) |
| Total Power | 760 W |
| Inputs | Pre-In / Speaker-In |
| Pre Out | Full Range (Front) |
| Pre-In Sensitivity | 0.32 ÷ 8 VRMS |
| Speaker-In Sensitivity | 1 |
| Mounting Type | Freestanding |
| Material Type | Aluminum |
| Item Weight | 5 Pounds |
| Unit Count | 1.0 Count |
8. What's in the Box
- Hertz CP-4.800 Amplifier Unit
9. Warranty and Support
The Hertz CP 4.800 Cento 4-Channel Power Amplifier comes with a 1-Year Manufacturer Warranty. For technical support, service, or warranty claims, please contact your authorized Hertz dealer or visit the official Hertz website for contact information.
10. Product Videos
Hertz Audio CP Series Amplifiers - Product Overview
This video provides a comprehensive overview of the Hertz CP Series amplifiers, highlighting their features, technology, and benefits for car audio enthusiasts.
Hertz CP 4.800 4-Channel Amplifier - Product Showcase
A brief product showcase of the Hertz CP 4.800 4-Channel Amplifier, demonstrating its design and key aspects.