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The Power Acoustik RZR4-1500D is a compact four-channel Class D amplifier built for tight install spaces. Its 4.75-inch-wide chassis fits under seats and behind panels where full-size amps won't go, and high-level inputs with signal-sensing auto turn-on let it hook to a factory radio without a remote wire. Power is rated at 1500 watts max, which is a peak figure, not RMS. Owners like the small footprint and easy install; reviewers warn the real per-channel output is modest and that the amp is best suited to powering door speakers and a small sub rather than a big system.
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Lowest price we've seen: $98.97 on Nov 9 at Walmart. Tracked across 1 store since Nov 9.
Ratings are mixed. Owners praise the tiny footprint, the easy factory-radio integration and the price-to-power ratio for basic systems. Critics say the real output falls short of the headline number and that some units run hot or cut out under load.
The New Power Acoustik RZR4-1500D 4-Channel Class D Full Range Amplifier We’re in a time where small is “in.” Smaller, more economical vehicles are more and more desirable. But that doesn’t mean you have to sacrifice big power for your system. Razor amplifiers pack huge power into small chassis thanks to efficient Full-Range Class D topology and SMT circuitry. Complimented with every possible preamp adjustment, Razor amplifiers leave nothing to be desired. Compact 4.75” Chassis Design for Installation Versatility. Install the Razor 4-channel class-D amplifier virtually anywhere in your car, truck, or SUV. This amp pumps out maximum power in a compact size. Thanks to the simple car stereo integration capability, Razor amplifiers can connect to a factory or upgraded car stereo. This Razor amplifier can automatically detect the sound signal from your stock radio and turn itself on and off. (Hi-Level Input only)
