3/4-Channel Amplifiers | Car Audio Upgrades

The Alpine S2-A36F S-Series 4-Channel Amplifier delivers powerful, high-fidelity sound at an affordable price. With 60W RMS per channel at 4O, Hi-Res Audio certification, flexible system configuration and easy OEM integration, it’s the perfect upgrade for front and rear speakers or a speaker-plus-subwoofer setup.

The Alpine R2-A60F is a compact, high-performance 4-channel Class-D amplifier designed to perfectly match Alpine R-Series speakers. Delivering 100 Watts RMS per channel with Hi-Res Audio certification up to 45kHz, it combines powerful output, advanced tuning options, and an easy-to-install reduced-footprint chassis.

The Alpine BBX-F1200 4-Channel Amplifier delivers powerful, flexible performance with up to 600W maximum output. Featuring a Class-A/B design, variable high-pass and low-pass crossovers, and Bass EQ on channels 3/4, it’s an ideal upgrade for driving speakers, subwoofers, or a combined system with clean, controlled power.

Recoil’s REA600.4 is a powerful, efficient, and highly reliable four channel class A/B full-range amplifier. Capable of powering an entire aftermarket upgraded speaker system in a vehicle, it packs the power that will allow you to be loud and let your speakers come alive. Featuring a high-speed MOSFET power supply, premium grade internal components, as well as 4-way protection circuitry, the amplifier will safely operate at the highest levels of performance for hours on end.

• Class A/B 4-Channel Amplifier

• RMS Power at 2 Ohms: 130 Watts x 4 Channels (14.4v)

• RMS Power at 4 Ohms: 95 Watts x 4 Channels (14.4v)

• RMS Power at 4 Ohms (Bridged): 260 Watts x 2 Channels (14.4v)

Experience high-resolution audio in a remarkably compact package with the Pioneer GM-DX104 4-Channel Class-D Amplifier. It delivers 45 W RMS per channel at 4 O (or 90 W per channel when bridged), supports Hi-Res audio, and includes both high- and low-pass filters for precise tuning. Its micro-size makes it ideal for space-limited installations, while its efficient Class-D design ensures low power draw and cool operation—even in EVs or vehicles with auto start/stop systems. Perfect for audiophiles seeking quality sound without sacrificing space.

Elevate your car audio setup with the Pioneer GM-D8704, a 4-channel Class-FD amplifier capable of delivering up to 1200W max power. At 4 O it produces 100 W × 4, and pushes up to 150 W × 4 at 2 O. Channels A & B can be bridged to deliver 300 W × 2 at 4 O. Packed with features like variable high-pass and low-pass filters (40-500Hz), a bass boost remote, automatic signal sensing, and support for loads between 1-8O, this amp provides flexible, high-fidelity performance in a compact frame (252 × 60 × 215 mm).

The JL Audio XDM500/3 is a 3-Channel Class D car and marine amplifier delivering 75 W x 2 @ 4 O and 300 W x 1 @ 2 O. Its compact NexD™ high-speed switching design provides audiophile-grade performance for satellite/subwoofer systems in tight spaces. Built with marine-grade materials, it includes high- and low-pass filters with 50–500 Hz adjustable cutoffs, automatic turn-on sensing, and optional remote level control. Finished in sleek black powder-coat with gasketed top cover for easy, protected access.

The JL Audio XDM400/4 is a 4-Channel Class D amplifier delivering 100 W x 4 @ 2 O and 75 W x 4 @ 4 O for car or marine systems. NexD™ high-speed switching provides clean, efficient full-range sound in a compact chassis. Built with marine-grade materials and dual-mode input filters for noise-free performance, it includes 12 dB/octave high- and low-pass filters with 50–500 Hz adjustable cutoffs. Optional HD-RLC or MHD-RLC remote control allows convenient channel-level adjustment. Sleek black powder-coated finish with gasketed top cover ensures durability and easy access.

The JL Audio VX400/4i is a compact 4-channel Class D full-range amplifier with an integrated digital signal processor, delivering 100 W x 4 @ 2 O or 75 W x 4 @ 4 O. Powered by advanced NexD2™ switching technology, it offers exceptional efficiency, low noise and precise DSP control via JL Audio TüN® software. With all connections located on one side and plug-in harnesses included, the VX400/4i is ideal for clean, flexible system installations where space is limited.

The JL Audio RD400/4 is an ultra-compact 4-channel Class D full-range amplifier delivering 100 W x4 at 2 O or 75 W x4 at 4 O (14.4 V). Powered by JL Audio’s exclusive NexD™ switching technology, it offers exceptional efficiency, low distortion and flexible system configuration. Fully bridgeable, the RD400/4 can run as a 2- or 3-channel amplifier, producing up to 200 W x2 at 4 O. With onboard filters, LED clipping indicators and preamp outputs, it’s ideal for high-performance car audio systems.

The JL Audio MX280/4 is a compact 4-channel Class D amplifier designed for powersports applications. Delivering 70 W x 4 @ 2 O and 50 W x 4 @ 4 O, it is fully bridgeable for flexible 3-channel or 2-channel operation. Featuring high-speed NexD™ switching technology, IPX7 water resistance, and a corrosion-resistant cast aluminum chassis, it’s ideal for motorcycles, ATVs, and utility vehicles. Independent front and rear crossovers and dual-range inputs ensure precise system tuning, while its rugged powder-coated finish and stainless steel hardware offer durability in extreme conditions.

The JL Audio RD400/4 is an ultra-compact 4-channel Class D full-range amplifier delivering 100 W x4 at 2 O or 75 W x4 at 4 O (14.4 V). Powered by JL Audio’s exclusive NexD™ switching technology, it offers exceptional efficiency, low distortion and flexible system configuration. Fully bridgeable, the RD400/4 can run as a 2- or 3-channel amplifier, producing up to 200 W x2 at 4 O. With onboard filters, LED clipping indicators and preamp outputs, it’s ideal for high-performance car audio systems.

The JL Audio HD600/4 is a premium 4-channel Class D car amplifier delivering a total of 600 Watts RMS, giving clean, powerful performance for front, rear or combination speaker systems. Featuring advanced switching design, efficient R.I.P.S. power regulation, and a compact form factor, this amplifier provides an outstanding balance of power, clarity and installation flexibility. Ideal for upgrading factory audio or driving high-performance speakers, the HD600/4 combines reliable output with low distortion and exceptional real-world performance.

The JL Audio AP300/4 is an ultracompact 4-channel Class D amplifier designed for reliable, efficient system power. With IP67-rated cast-alloy water-resistant construction, built-in LCD display for manual setup, and compatibility with Fusion® DSP head units and the Easy Tune feature, it delivers clean, high-quality audio in space-limited installations. Part of the AP Series, it is ideal for system amplification and can integrate seamlessly with the Fusion Audio smartphone app for optimised sound control.

The JL Audio AP200/4BT is an ultracompact 4-channel Class D amplifier with Bluetooth connectivity, delivering up to 200 W RMS. IP67-rated (excluding cables) and built with a rugged cast-alloy chassis, it features a built-in LCD display for manual control and supports Easy Tune via the Fusion Audio app. Stream music directly from your smartphone, optimise system setup for superior sound quality, and control subwoofer levels with the included IP67-rated wired remote. Perfect for compact, high-performance audio installations.

The JBL Stage GT90041 4 channel car amplifier delivers powerful performance with Class D efficiency and up to 1480W peak output. Ideal for powering front and rear speakers or bridging for a subwoofer, it offers high output, adjustable tuning and compact installation. Perfect for upgrading your car audio system with improved clarity and volume.

The JBL Stage GT60041 4 channel car amplifier delivers powerful performance in a compact Class D design. Ideal for powering front and rear speakers or bridging for a subwoofer, it provides high efficiency, strong output and flexible system upgrades. Perfect for improving sound clarity and volume in your car audio system.

The JBL Club A754 4 channel car amplifier delivers powerful, clean sound with 75W RMS x4 output in a compact Class D design. Ideal for powering front and rear speakers or bridging for a subwoofer, it offers high efficiency, low distortion and flexible system upgrades.

The JBL Concert A704 4 channel car amplifier delivers clean, powerful sound with 70W RMS x4 output using a Class AB design for low distortion and high audio quality. Ideal for powering front and rear speakers or bridging for a subwoofer, it offers flexible system upgrades with smooth, detailed performance.