Hertz SPL Show SP 4.900 D-Class 4 Channel Amplifier 250 WRMS x 4 at 2Ω (IP55 rated)

The Hertz SPL Show SP 4.900 D-Class 4 Channel Amplifier is a powerhouse designed for serious audio enthusiasts. Delivering 250W RMS per channel at 2Ω and 160W RMS per channel at 4Ω, this amplifier combines advanced ADC (Advanced D-Class) technology for up to 85% efficiency with a robust IP55-rated aluminum chassis. With a compact size and water jet resistance, it’s perfect for installation in vehicles exposed to harsh conditions.

Experience top-tier audio performance with the Hertz SPL Show SP-4900 D-Class 4 Channel Amplifier. This amplifier boasts 160W RMS per channel at 4Ω and 250W RMS per channel at 2Ω, all within an ultra-compact design (211.6 x 130 mm). The IP55-rated aluminum chassis ensures superior protection against humidity and external elements, making it ideal for rugged environments. The USS feature ensures compatibility with a range of head units, offering versatility and high performance.

The Hertz SPL Show SP-4-900 D-Class 4 Channel Amplifier stands out with its impressive 250W RMS per channel at 2Ω and 160W RMS per channel at 4Ω output. Featuring Advanced D-Class technology for up to 85% efficiency and an IP55-rated aluminum chassis, this amplifier is designed for both high performance and durability. Its compact size and water jet resistance make it suitable for challenging installations, while the USS feature ensures compatibility with various head units.

Highlights:

1. Power Handling: 250W RMS x 4 at 2Ω, 160W RMS x 4 at 4Ω
2. Efficiency: Up to 85% efficiency with Advanced D-Class (ADC) output stage
3. Size: Ultra-compact dimensions of 211.6 x 130 mm
4. Durability: IP55-rated aluminum chassis for maximum protection against humidity and external agents
5. Water Jet Resistance: Designed to resist water jets, enhancing durability
6. USS Technology: Universal Speakers Simulators allow compatibility with head units featuring “speaker load detection” circuits
7. THD: Low Total Harmonic Distortion at 0.02% THD @ 1 kHz, 4Ω, 70% Rated Power
8. Damping Factor: High damping factor of 200 @ 1 kHz, 4Ω, 2 VRMS
9. Bandwidth: Wide frequency response from 10 Hz to 35 kHz
10. Signal-to-Noise Ratio: Excellent S/N ratio of 105 dBA (A weighted @ 1 V Input)
11. Pre-In Sensitivity: Adjustable from 0.6 to 6 VRMS
12. Speaker-In Sensitivity: Adjustable from 2.2 to 22 VRMS
13. Output Power Configurations:

• 4 Ch: 160 W x 4 (4Ω) or 250 W x 4 (2Ω)
• 3 Ch: 160 W x 2 (4Ω) + 500 W x 1 (4Ω) or 250 W x 2 (2Ω) + 500 W x 1 (4Ω)
• 2 Ch: 500 W x 2 (4Ω)

14. Cooling Design: No cooling fan to prevent dirt accumulation; sealed power cord, line inputs, and speaker outputs to prevent oxidation
15. Adjustable Crossovers: Filters and controls located on a single side for easy calibration during installation

The Hertz SPL Show SP4.900 is engineered for robust performance and durability, making it an excellent choice for demanding audio setups in various vehicle environments.