The 13 Best 4 Channel Car Amplifiers of May 2023

500-Watt MOSFET 4-Channel Class A/B Power Car Amplifier

RMS Power at 2 Ohms: 125 Watts x 4 Channels

RMS Power at 4 Ohms: 75 Watts x 4 Channel

User Adjustable Controls: Gain, Variable LPF, HPF, Bass EQ Switch (0, +6, +12 dB)

4 Way Protection Circuitry | Frequency Response: 20 Hz - 20,000 Hz

Signal to Noise Ratio: 105 dB

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

Signal-to-Noise Ratio: 95dB

Frequency Response (Hz): 10Hz-20kHz

Power (watts/ch) 4 Ohm Stereo: 65x4

Power (watts/ch) 2 Ohm Stereo: 90x4

The R2-500X4 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 500 Watts of RMS power

Class D technology makes this amp extremely efficient by reducing demand on the vehicles electrical system (RMS Power: 75 Watts x 4 @ 4Ω OR 155 Watts x 4 @ 2Ω OR 250 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

Featuring fully adjustable 12 dB/octave high and low pass Butterworth crossovers, balanced differential inputs with RCA pass through outputs, high level input capable, defeat able auto turn on circuit and top mounted controls

Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller

Max power: 640W

Rms power 4 x 80W @ 2 Ohms: 14.4V

Rms power 4 x 55W @ 4 Ohms: 14.4V

Rms power bridged 2 x 160 W @ 4 Ohms: 14.4V

Class D (digital) amplifier.Channels: 4/3/2 channel (stereo).Temperature monitoring.Automatic switch-on Function.Crossover: adjustable low pass filter (LPF)/ high pass filter (Hpf)

It has 4 kennels of 500 watts RMS each

Its frequency respoosta is from 8Hz to 20 KHz to (-3dB)

Supply voltage between 9 and 17 VDC

Operation class D

1000 watts Max power

Automatic signal Sensing and turn-on

Variable high Pass filter adjustable bass Boost

INPUT: Inputs of signals to be amplified. Connect these signals to RCA outputs of Head Unit, using good quality shielded cables to avoid noise interference.

LEVEL: It sets the amplifier input sensitivity, which allows an optimal adjustment to the output signals levels of nearly all models of Head Units found in the market

POWER (Power Supply Connector):The connector terminal (+) must be connected to the battery's positive pole with a 10mm² (minimum) wire gauge. The connector terminal (-) must be properly connect to the battery's negative pole with a same wire gauge. The remote terminal must be connected to the Head Unit REMOTE output with a 0.75mm² wire

WIRE HIGH LEVEL INPUT: Input for high level / low impedance signals (from the speaker output of the players or multimedia center).

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)

Input Impedance: 22K Ohms Thermal Protection System and Short Output Minimum Supply Voltage: 8 VDC Maximum Supply Voltage: 16 VDC

Standby Power: 0.8 A Maximum Musical Power: at 13.8VDC: 16.5 A Maximum Consumption in Sine Signal: (1kHz) 13.8VDC: 33 A

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

Features: Rockville dB45 3200 Watt/800 Watt Dyno-Certified RMS 4 Channel Amplifier Car Stereo Amp, Loud!!.

Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). - 2 Ohm: 200 Watts x 4 Channel <1% THD+N . - 4 Ohm:135 Watts x 4 Channel <1% THD+N. - 4 Ohm Bridged: 400Watts x 2 Channel<1% THD+N.

Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). - 2 Ohm: 800 Watts x 4 Channel. - 4 Ohm:540 Watts x 4 Channel. - 4 Ohm Bridged: 1600 Watts x 2 Channel. High-Speed MOSFET Power Supply. Under Voltage Protection at 10V. Over Voltage Protection at 16V. Tertiary Supplies Circuitry. Optical Coupler Class “AB” Technology. Studio-Grade Bipolar Output Stage Transistors.

Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 50Hz - 3KHz. High Pass Filter: 15Hz - 1KHz. Full IC-Controlled Protection Circuitry. Fully Adjustable 12dB Bass Equalizer. Mute and Delay Soft Start System. 8 Volt Preamp Circuitry. Status Mode LED Indicator. Minimum THD at Rated Power: < 0.05%. S / N Ratio: >90dB. Frequency Response: 10Hz - 50KHz. Damping Factor: >150 @ 100Hz. 35 Amp*3 ATC Fuse. Dimensions: (W x H x L) 9" x 2.4" x 21.0"

4 channel amplifier car audio with 250 watts RMS at 2-ohm load x 4-channels (14.4v); 150 watts RMS power at 4-ohm load x 4-channels (14.4v); 475 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

4-way protection circuitry features high voltage, low voltage, over current, and high-temperature protection for your car stereo power amplifier

Show your friends you can do 100 mph down the highway with the windows down and still have crisp and clean sound over the wind noise with this amplifier for car speakers