Make your bike bump without taxing your charging system. The KPX500.1 Subwoofer Amp features a 24dB/octave variable low pass crossover and 24dB/octave variable subsonic filter to protect your subwoofers and precisely craft your sound. A wide range of input levels lets this amp easily hook up to virtually any factory or aftermarket radio on the market. To control your bass on the go, connect the optional CXARC remote.

Upgrade your in-car audio with the Kenwood KAC-531 Class D Digital Mono Amplifier. Because of its construction, it is capable of up to 500 watts RMS power at 2 ohms and will surely give your subwoofer the energy it needs for a full, deep bass. Since this amplifier is Class D, it runs efficiently, providing good power handling without excessive heat generation. This makes it perfect for powering a subwoofer from a compact automotive setup. It features a variable low-pass crossover to let you tailor the frequency output from 50Hz to 200Hz to your taste and capability of the subwoofer. The KAC-531 is compact in design for easy installation and will even fit in tight spaces with no compromise on performance. Boasting an impressive 100dB signal-to-noise ratio, this amp keeps your audio crisp and clear, distortion-free; the included remote bass control lets you dial in the perfect bass level from your seat. Whether you're updating a sound system or swapping out an older amp, the Kenwood KAC-531 yields high performance value.

Step into the world of high-performance audio with the Hifonics ZD-750.4D Zeus Delta 750-Watt 4-Channel Amplifier, a powerhouse designed to elevate your car audio experience.The amplifier boasts nickel-plated, high-temperature, impact-proof terminals that ensure secure connections and stand firm over erosion. Your audio signals are in safe hands, promising both longevity and reliability. This dedicated configuration delivers multiple channels, concentrating the amplifier's power for a precision-tuned performance, perfect for those seeking a 4-channel audio immersion.Command your audio effortlessly with the on-board electronic crossover, tailoring frequencies for speakers and subwoofers to match your musical preferences. The Hifonics heat sink, crafted from aluminum, ensures superior heat dissipation, while the molded connection terminal simplifies power, ground, and speaker connections. Angled for easy access, it maintains a clean wire management profile for an efficient and visually appealing installation. The LED system protection offers at-a-glance feedback on overload and speaker short protection. The DC SIGNAL SENSE feature eliminates the need for a remote turn-on wire, activating the amplifier seamlessly when a signal is detected on the RCA inputs, adjustable based on your preferences.Experience audio excellence with the Hifonics ZD-750.4D Zeus Delta 750-Watt 4-Channel Amplifier, where innovation, precision, and style converge to redefine your car audio journey.