Jensen JA-Series JA4CH 4-Channel Class-D Car Amplifier | 1,000W Peak, Compact & Bridgeable

Elevate Your Vehicle Audio with Jensen JA-Series JA4CH

Meet the Jensen JA4CH, a high-performance 4-channel Class-D amplifier designed for a range of vehicles—from pickup trucks and motorcycles to golf carts. Its compact footprint fits tight spaces, while efficient design helps maintain power discipline and acoustic clarity during long listening sessions.

Power and Flexibility

The JA4CH offers substantial headroom for multi-speaker setups. It delivers 1,000 Watts peak total, with distinct RMS capabilities depending on the load: 80W RMS per channel at 4 ohms across four channels; 120W RMS per bridged pair at 2 ohms; and 240W RMS per bridged pair at 4 ohms when bridged. These specifications provide the potential for a more dynamic, responsive soundstage without overwhelming your vehicle’s electrical system.

• 1,000 Watts peak total power
• 80W RMS per channel @ 4 ohms (4-channel)
• 120W RMS per bridged pair @ 2 ohms
• 240W RMS per bridged pair @ 4 ohms when bridged

Class-D efficiency supports cooler operation and potentially lower electrical strain, aiding reliability in typical on-the-road use.

• Class-D design for efficient power delivery
• Reduced heat generation during extended playback
• Optimized performance for mobile listening

Design, Installation, and Sound Customization

The JA4CH’s compact design makes it easy to fit under seats or behind dashboards, enabling flexible installations in cars, trucks, motorcycles, or golf carts. Flexible inputs and selectable crossovers give you room to tailor the sound to your vehicle’s acoustics and your listening preferences.

• Compact footprint for versatile mounting
• Flexible inputs and selectable crossovers
• Bridgeable channels for powerful sub/woofer configurations

Warranty, Certification, and Peace of Mind

Certified to industry standards (CTA-2006-D) and supported by Jensen’s warranty program—two years standard, extended to four years with product registration. This combination of testing and support aims to offer dependable, real-world performance for your upgrade.

• CTA-2006-D certified
• 2-year standard warranty; up to 4 years with registration

Note: Benefits described reflect the product’s design capabilities and intended use. Real-world results depend on your specific vehicle, speakers, and listening preferences.