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5/6-Channel Amplifiers | Car Audio Upgrades

A 5 or 6-channel amplifier is used when you want to power a complete speaker system plus a subwoofer from a single amp. This is ideal for installations where space is limited, but you still want clean power for front and rear speakers plus bass.

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Alpine S2-A55V S-Series 5-Channel Digital Class-D Power Amplifier

Alpine S2-A55V S-Series 5-Channel Digital Class-D Power Amplifier

Upgrade your car audio with the Alpine S2-A55V 5-Channel Amplifier. Hi-Res Audio certified, delivers 60 Watts RMS @ 2 Ohms of pristine high-fidelity signal to each of your car's front and rear speakers while powering a subwoofer with up to 300 Watts RMS at the same time. Compact design with side-panel controls and removable end-caps allows easy installation under seats. Perfectly matched for Alpine S-Series speakers and subs for a full-system upgrade with clean, powerful sound.

Stock code: AMP-ALP-S2-A55V
Price: £374.17 (£449.00 inc VAT)
BLAM Power P805 5-Channel Class D Car Amplifier

BLAM Power P805 5-Channel Class D Car Amplifier

The BLAM P805 is a compact yet powerful 5-channel Class D amplifier designed to deliver high-quality sound across your entire car audio system. Providing 4×80W RMS at 4 O for your front and rear speakers and up to 600W for your subwoofer, it ensures clean, efficient power delivery. Featuring adjustable filters, bass boost, and high-level/low-level inputs, it’s perfect for both OEM and aftermarket integration. Protection against short circuits, overheating, and polarity issues guarantees reliable performance in any setup. Designed in France by BLAM Audio, this amplifier is trusted by car audio professionals and supplied in the UK by InCarTec.
Stock code: BL-P805
Price: £333.33 (£400.00 inc VAT)
JL Audio RD900/5 5-Channel Class D Car System Amplifier | 900W

JL Audio RD900/5 5-Channel Class D Car System Amplifier | 900W

The JL Audio RD900/5 is a 5-channel Class D system amplifier delivering 70 W x4 @ 4 O to satellites and 500 W x1 @ 2 O to a subwoofer (14.4 V). Built with NexD™ switching technology, this compact amplifier provides high-efficiency, low-distortion performance for complete subwoofer + satellite systems. Each pair of main channels is fully bridgeable to deliver up to 200 W x2 @ 4 O. Features include top-mounted controls, high-/low-pass filters, LED clipping indicators, dual-range balanced inputs, and optional RBC-1 remote level control (Sold separately).

Stock code: AMP-JL-RD900/5
Price: £399.17 (£479.00 inc VAT)
JL Audio AP600/6 AP-Series Ultracompact 6-Channel Class D Marine Amplifier | 600W

JL Audio AP600/6 AP-Series Ultracompact 6-Channel Class D Marine Amplifier | 600W

The JL Audio AP600/6 is a powerful 6-channel Class D amplifier designed for compact, high-performance system applications. IP67-rated for water resistance (excluding cables) and built with a rugged cast-alloy chassis, it features a built-in LCD display and supports Easy Tune setup via the Fusion Audio app. With NexD™ Class D switching technology, it delivers up to 600 W RMS with low distortion and high efficiency, making it ideal for full-system amplification in cars, boats, or off-road vehicles.

Stock code: AMP-JL-AP600/6
Price: £440.83 (£529.00 inc VAT)
JL Audio RD800/6 6-Channel Class D Car System Amplifier | 800W

JL Audio RD800/6 6-Channel Class D Car System Amplifier | 800W

The JL Audio RD800/6 is a 6-channel Class D full-range amplifier delivering 100 W x4 + 200 W x2 @ 2 O for satellite speakers, totalling 800 W. Compact yet powerful, it uses NexD™ switching technology for low distortion, high efficiency, and full-bandwidth audio. All channel pairs are bridgeable for ultimate flexibility. Built-in high-pass and band-pass filters with adjustable frequencies (50–500 Hz), LED clipping indicators, and differential-balanced inputs make this amp ideal for both car and marine audio systems.

Stock code: AMP-JL-RD800/6
Price: £474.17 (£569.00 inc VAT)
JL Audio RD900/5+ 5-Channel One Box Car System Amplifier | 900W

JL Audio RD900/5+ 5-Channel One Box Car System Amplifier | 900W

The look is amazing, and the performance backs it up. Designed as a total “one-box solution,” this RD series amplifier from JL Audio can comfortably drive a complete 4-satellite speaker system plus a subwoofer — all with a robust 900 watts of power. Compact yet powerful, it uses NexD™ switching technology for low distortion, high efficiency, and full-bandwidth performance. Main channels are fully bridgeable for a 3-channel configuration. Features include high-pass, band-pass, and low-pass filters with adjustable frequencies (50–500 Hz), LED clipping indicators, differential-balanced inputs, and optional RBC-1 remote level control.

Stock code: AMP-JL-RD900/5+
Price: £474.17 (£569.00 inc VAT)
JL Audio JD700/5 5-Channel (4-Channel + Sub) Car System Amplifier | 700W

JL Audio JD700/5 5-Channel (4-Channel + Sub) Car System Amplifier | 700W

The JL Audio JD700/5 is a compact 5-channel Class D amplifier designed to run a complete car audio system from a single chassis. It integrates a 4-channel full-range amplifier with a dedicated monoblock subwoofer channel, creating a simple, space-saving installation solution. With advanced crossover options, efficient NexD™ technology, adjustable bass boost EQ and optional remote level control, it delivers flexible system tuning and consistently clean, dependable performance.

Stock code: AMP-JL-JD700/5
Price: £499.17 (£599.00 inc VAT)
JL Audio XDM600/6 6-Channel Class D Car and Marine System Amplifier | 600W

JL Audio XDM600/6 6-Channel Class D Car and Marine System Amplifier | 600W

The JL Audio XDM600/6 6-Channel Class D amplifier delivers 100 W x 6 @ 2 O or 75 W x 6 @ 4 O, providing full-range clean power for up to six speakers. NexD™ high-speed switching allows efficient Class D performance with very low distortion in a compact chassis. Configure it as six-channel satellite amp, a staggered 4-channel amp, or drive two subwoofers plus satellites. Features 12 dB/octave low- and high-pass filters with variable cutoffs 50–500 Hz and optional HD-RLC or MHD-RLC remote control. Marine-grade build, sleek black powder-coat finish, and gasketed top cover.

Stock code: AMP-JL-XDM600/6
Price: £565.83 (£679.00 inc VAT)
JL Audio XDM600/6-24V 6-Channel Car and Marine System Amplifier for 24V Systems

JL Audio XDM600/6-24V 6-Channel Car and Marine System Amplifier for 24V Systems

The JL Audio XDM600/6-24V is a 6-Channel Class D amplifier for 24 V systems, delivering 100 W x6 @ 2 O and 75 W x6 @ 4 O. NexD™ high-speed switching ensures clean full-range sound with minimal distortion. Built with marine-grade materials, it features dual-mode input filters for noise-free performance, automatic signal sensing turn-on, and adjustable 12 dB/octave low- and high-pass filters for each channel. Optional HD-RLC or MHD-RLC remote controllers let you adjust levels for two, four, or all six channels directly from the driver’s seat or helm.

PLEASE NOTE: Designed for 24V Systems Only

Stock code: AMP-JL-XDM600/6-24V
Price: £574.17 (£689.00 inc VAT)
JL Audio XDM700/5 5-Channel Class D Car and Marine System Amplifier | 700W

JL Audio XDM700/5 5-Channel Class D Car and Marine System Amplifier | 700W

The JL Audio XDM700/5 5-Channel Class D amplifier delivers 75 W x 4 @ 4 O for four satellite speakers and 300 W x 1 @ 2 O for a subwoofer. NexD™ high-speed switching provides clean, efficient sound in a compact chassis suitable for cars, boats, or marine systems. It features 12 dB/octave high-pass, band-pass, and low-pass filters with adjustable cutoffs from 50–500 Hz, and can be configured as a full 3-way crossover. Optional HD-RLC or MHD-RLC remote controllers allow convenient level adjustments. Finished in sleek black powder-coat with gasketed removable top cover.

Stock code: AMP-JL-XDM700/5
Price: £632.50 (£759.00 inc VAT)
JL Audio XDM1000/5 5-Channel Class-D Car and Marine Subwoofer Amplifier | 1000W

JL Audio XDM1000/5 5-Channel Class-D Car and Marine Subwoofer Amplifier | 1000W

The JL Audio XDM1000/5 is a compact 5-channel Class D car and marine amplifier delivering up to 1000 W RMS at 14.4 V. It supplies 100 W x4 @ 2 O for front and rear speakers plus 600 W x1 @ 2 O for a dedicated subwoofer channel. Built with NexD™ high-speed switching technology, it offers exceptional efficiency, low distortion and powerful output from a small chassis. Marine-grade construction, automatic turn-on and flexible crossover controls make it ideal for premium car or boat audio systems.

Stock code: AMP-JL-XDM1000/5
Price: £774.17 (£929.00 inc VAT)
JL Audio VX600/6i 6-Channel Class D Full-Range Amplifier with Integrated DSP | 600W

JL Audio VX600/6i 6-Channel Class D Full-Range Amplifier with Integrated DSP | 600W

The JL Audio VX600/6i is a compact 6-channel Class D full-range amplifier with integrated DSP, delivering 75 W x 6 @ 4 O or 100 W x 6 @ 2 O. Powered by advanced NexD2™ switching technology, it can also be bridged to produce up to 200 W x 3 for flexible system design. Featuring full digital configuration via JL Audio TüN® software, single-side connections and plug-in harnesses, the VX600/6i provides precise control, clean output and simplified installation for high-performance car audio systems.

Stock code: AMP-JL-VX600/6i
Price: £990.83 (£1,189.00 inc VAT)
JL Audio VX700/5i 5-Channel Class D System Amplifier with Integrated DSP | 700W

JL Audio VX700/5i 5-Channel Class D System Amplifier with Integrated DSP | 700W

The JL Audio VX700/5i is a compact 5-channel Class D system amplifier with integrated DSP, delivering 75 W x 4 @ 4 O plus 300 W x 1 @ 2 O. Powered by advanced NexD2™ switching technology, it combines full-range and subwoofer amplification in a single chassis with precise digital tuning via JL Audio TüN® software. With an ultra-compact footprint, single-side connections and plug-in harnesses, the VX700/5i offers powerful, flexible system control for premium car audio installations.

Stock code: AMP-JL-VX700/5i
Price: £990.83 (£1,189.00 inc VAT)
JL Audio HD900/5 5-Channel Class D System Amplifier | 900W RMS

JL Audio HD900/5 5-Channel Class D System Amplifier | 900W RMS

The JL Audio HD900/5 is a premium 5-channel Class D system amplifier delivering 100 Watts RMS x4 plus 500 Watts RMS to a subwoofer, making it a true one-box solution for complete car audio systems. Despite its compact size, this amplifier delivers exceptional sound quality using JL Audio’s Single-Cycle Control™ switching design and R.I.P.S. regulated power supply, ensuring clean, distortion-free output across a wide range of speaker loads. Ideal for high-performance speaker and subwoofer systems where space is limited but sound quality is critical.

Stock code: AMP-JL-HD900/5
Price: £1,149.17 (£1,379.00 inc VAT)