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Overview

Jensen JA5B Compact Class D 5-Channel Car Amplifier with Bluetooth App ControlThe Jensen JA5B is a compact powerhouse, designed to deliver clean, dynamic sound for your entire car audio system. Its Class D design produces crisp highs, detailed mids, and deep, impactful bass, while providing both strong RMS output and up to 815 watts of max dynamic power to drive multiple speakers and a subwoofer with precision.

Jensen JA5BJA Series compact 5-channel amplifier with digital signal processing

Model: JA5B
Web Code: 19868570
Sold and shipped by | 4.5 seller rating (17 reviews)

Available for deliveryAvailable online only

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

·Delivers robust power to your car audio system — up to 815 Watts max dynamic output for crisp highs, full mids, and deep bass across all speakers and subwoofer.

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·Produces approx. 70 W RMS × 4 channels + up to ~380 W RMS to subwoofer at 2 Ω — stable at both 2 Ω and 4 Ω loads for versatile speaker setups.

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·Adjust crossover filters, bass boost, EQ, and other settings wirelessly from your smartphone or tablet — tailor your sound without accessing the amp directly.

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·Independent High-Pass/Low-Pass crossover options plus adjustable bass boost on all channels help dial in perfect balance for speakers and subwoofer.

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·Space-saving Class-D architecture minimizes installation footprint while delivering high power and low heat — ideal for tight car audio installations

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For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

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  • No restrictions in Canada
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See our return policy to find specific return information for this product and steps on how to return by mail.