Best Rockford Fosgate Multichannel Amplifiers in 2026

Class D MOSFET Monoblock Power Amplifier

Peak Power at 1 Ohm: 1,600 Watts | RMS Power at 1 Ohm: 1,200 Watts

Frequency Response: 20Hz - 250Hz, On-board Bass EQ Switch with +6 or +12dB boost at 45Hz

160 watts RMS x 2

variable low- and high-pass filters

selectable bass boost

Input Sensitivity: 125mV–5V (Low Level) / 1V–40V (High Level)

Signal-to-Noise Ratio: 95dB

Frequency Response (Hz): 10Hz-20kHz

The R2-300X4 full-range class-D 4-channel amplifier (1.9" x 6.8" x 10.1") is packed with features and performance to deliver power and bass on demand with 300 Watts of RMS power

Class D technology makes this amp extremely efficient by reducing demand on the vehicles electrical system (RMS Power: 50 Watts x 4 @ 4Ω OR 75 Watts x 4 @ 2Ω OR 150 Watts x 2 @ 4Ω Bridged/Mono)

Featuring C.L.E.A.N. circuitry to help you adjust your gain settings, a P.O.W.E.R. Supply that generates more power as voltage increases, and integrated Punch EQ that corrects for acoustic deficiencies while delivering up to 3X the bass

Power - 550 Max x 4 @2-Ohms, 275 Max x 4 @4-Ohms, 1100 Max x 2 Bridged @4 Ohms

Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers

Variable Bass Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)

Includes: Amplifier. Bass Remote. Birth sheet with tested power. Owner’s manual. Mounting Screws. Warranty.

Rockville dB55 4000 Watt/2000 Watt RMS 5 Channel Amplifier. CEA Compliant Power Ratings (Rated at less than 1 % distortion) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 120 Watts x 4 + 500 Watts x 1 <1% THD+N. 4 Ohm: 80 Watts x 4 + 300 Watts x 1 <1% THD+N.

RMS Power Ratings: (Use these RMS ratings when comparing with great brands such as Hifonics, Earthquake, Soundstream, etc). 2 Ohm 240 Watts x 4 + 1000 Watts x 1. 4 Ohm: 160 Watts x 4 + 600 Watts x 1. Peak: (The amount of power the amplifier can produce for a split second at the loudest part of a song. 2 Ohm 480 Watts x 4 + 2000 Watts x 1. 4 Ohm: 320 Watts x 4 + 1200 Watts x 1.

Excellent for voice as well as bass

2 ohms

400 watts

Complete 4 Gauge Amplifier Installation Kit

For Amplifiers Up To 1200 Watts RMS

Premium (CCA) Copper Clad Aluminum

New Kenwood 4 channel Bluetooth marine atv motorcycle amplifier (kacm1824bt)

45 watts x 4 at 4 ohms

Peak power: 400 watts

Bridgeable

Variable input voltage

QTD (Quick Thermal Dispersion) technology heat sink

1 x Taramps TS400X4 Full Range Amplifier

Quantity: 1 Amplifier Number of Channels: 04 Max Power at 13.8 VDC 2 Ohms: 400W (4 x 100W RMS) Max Power at: 13.8 VDC 4 Ohms: 252W (4 x 63W RMS) Bridged at 13.8 VDC 4 Ohms: 400W (2 x 200W RMS)

Input Sensitivity: 200mV (Vol=Max) Signal to Noise Ratio: greater than 90dB Frequency Response: (Full Range): 18Hz to 30kHz (-3dB) High Pass Crossover (HPF): 90Hz (-12dB / 8th) Low Pass Crossover (LPF): 90Hz (-12dB / 8th)

Power - 600 Max x 4 @ 2 Ohms, 300 Max x 4 @ 4 Ohms, 1200 Max Bridged x 2 @ 4 Ohms

Variable Bass Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)

Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction

Class A/B MOSFET 4 Channel Amplifier

Peak Power: 4x300 @ 2 Ohms, 4x150 @ 4 Ohms, 2x600 Mono Bridged @ 4 Ohms

Frequency Response: 10Hz - 45KHz, Built in bass control with 0-12dB boost

1000 watts Max power

Automatic signal Sensing and turn-on

Variable high Pass filter adjustable bass Boost

The DS 800X4 is a multi-channel amplifier and can be used to sub-bass, bass, mid-bass, mid-range, high-mid and treble.

The Positive/Negative power supply cable is 7 AWG. The output cables wire gauge is 15 AWG and the remote cable is 18 AWG. For Protection fuse or circuit breaker please use 60A.

Short-circuit Protection: Shutdown the amplifier when detect a short- circuit or impedance lower than the supported at the output

RMS Watts @ 4 Ohm Stereo 12.6V:   1050 Watts X 1 Channel / RMS Watts @ 2 Ohm Stereo 12.6V: 1600 Watts X 1 Channel / RMS Watts @ 1 Ohm Stereo 12.6V: 2500 Watts X 1 Channel

Nominal power output 1ohm(watts): 5000 Watts, Max music power: 10000 Watts

Frequency Response   20Hz~250KHz

New Kicker 43CXA3004 300W 4-Channel Car Audio Power Amplifier Amp Stereo CX300.4

75W x 4 @ 14.4V

150W x 2 @ 14.4V, 4-Ohm bridged mono

1, 200 Watts Max Power

Compact Design for Versatile Installation Options

Refined Class FD Design Offers Extreme Efficiency and High-Quality Sound

HUGE POWER IN A SMALL PACKAGE - 3,000 Watts gives you all the power you need tucked away and out of sight, keeping your vehicle looking clean and neat.

WIDE RANGE OF APPLICATIONS - Ranging from 1-4 ohms, this amplifier will allow you to use a variety of speakers for your specific application. Never again will you need to worry about having the right amp for the job.

BASS KNOB INCLUDED - The Candy XXL1B amplifier comes with a remote bass knob included. Always have control over the bass levels depending on what genre music you're listening to.

Class AB

70W x 4 CEA 2006 RMS @ 4 Ohms

160W x 2 RMS @ 4 Ohms

Picasso Nano Series 4-Channel Class D Car Amplifier

RMS Power Rating: 4 ohms: 140 watts x 4 chan. / 2 ohms: 250 watts x 4 chan.

Max power output: 500 watts

Marine Grade Protection – Battle tested to withstand extreme temperatures and elements. Maintain high quality sound and full power to your speakers through any weather.

Built for Powerful Sound – Maximize power efficiency while improving sound quality and minimizing distortion with the high speed Pro-Fi MOSFET components.

Class A/B Channel Options – 2 and 4 channel Class A/B topology produces high quality circuitry that allows amplifier to develop high levels of power with minimal distortion.

1600W Maximum Power Full-Range Amplifier With Bluetooth

Optimized 150-watt RMS output and a max power output of 1600 watts, you can give your music a huge boost in power that will have you and your passengers partying while on the road

This slim amplifier fits perfectly into any trunk so you can easily connect it to your stereo system

4 channel amplifier car audio with 110 watts RMS at 2-ohm load x 4-channels (14.4v); 80 watts RMS power at 4-ohm load x 4-channels (14.4v); 160 watts RMS at 4-ohm bridged x 2-channels (14.4v)

Small footprint and compact chassis makes this amplifier easy to install in any vehicle or 4ch amplifier car audio application; but don’t let the size fool you, this 4ch car amp produces amazing sound quality

MOSFET pulse width modulated power supply, premium components, and proprietary heat dissipation design will ensure the four channel car amplifier runs cool for even the most demanding playlists

AUDIO EVOLUTION: This car speakers amp features regulated MOSFET Pulse Width Modulated that maintain rated power over a wide range of battery voltage. Excellent frequency response rates place these amps in a class of their own.

SOUND SPECIALIZATION: This high-powered Power Amplifier is cutting edge technology at its finest. Chrome RCA connectors and speaker screw-down terminals ensure a secure connection between amplifier and speakers that allow distortion-free sound.

INTELLIGENT DESIGN: The car audio amplifier 5 channel safety features include power and protection LED indicators; soft turn-on/off; and thermal, overload, and speaker-short protection.

4 x 250W RMS @ 4 OHMS - Bass Boost Circuit - Low Pass Filter Controls - S/N Ratio: >90dB - Subwoofer Remote Level Control

4 x 500W Max @ 4 OHMS - Bridgeable at 4 Ohms - High Pass Filter Controls - Channel Separation: >65dB - Fuse: 20A x 2

2 x 1000W Max @ 4 OHMS Bridged - 2 Ohm Stereo Stable - Power and Protection LED Indicators - Freq. Response: 10Hz-45KHz - Dimensions: 14.96''(L) x 2.24''(H) x 8.81''(W)

Class A/B Topology

Variable LPF and HPF

Surface Mount PCB

2 channels x 750 watts @ 2 ohms

2 channels x 325 watts @ 4 ohms

1 channel x 1,500 watts (mono bridged) @ 4 ohms

1600 WATT POWER: The Pyle 4 Channel Car Amplifier is perfect for your vehicle's sound system. Gives you up to 1600W bridgeable output. Features switchable bass boost, variable gain control, configurable electronic crossover network

SILVER-PLATED RCA PORTS: The RCA ports are silver-plated for eliminating signal loss. The subsonic filter allows low-end interference to be cut so your speakers will always deliver the highest quality audio

DISTORTION-FREE: The MOSFET pulse width modulation power supply allows for a clean distortion-free signal to your compact speakers providing you w/ crisp and clear audio for an outstanding music experience. Also features pulse width modulation system

100 W MAX Power @ 2 Ohm x 2 Channels

50 W MAX Power @ 4 Ohm x 2 Channels

Full-Range, Class A / B Topology