Top 9 Rockford Fosgate R300X4 – Car Amplifiers

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1. Rockford Fosgate


Rockford Fosgate R300X4 Prime 4-Channel Amplifier

Rockford Fosgate #ad - Accepts high level & RCA Level Input. 12db/octave crossover. Class a/b Circuit Topology. 50 watts x 4 @ 4-ohm / 75 watts x 4 @ 2-ohm / 150 Watts x 2 @ 4-Ohm Bridged. Cast aluminum heatsink with Top Mount Controls.
BrandRockford Fosgate #ad
ManufacturerRockford Fosgate #ad
Height1.98 Inches
Length13.1 Inches
Weight7.5 Pounds
Width6.7 Inches
Part NumberR300X4

2. Rockford Fosgate


Rockford Fosgate R2-500X4 500-Watt 4-Channel Amplifier

Rockford Fosgate #ad - Famous rockford fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller. 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.

Circuitry to help you adjust your gain settings, a P. O. W. E. R. The r2-500x4 full-range class-d 4-channel amplifier 1. 9" x 6. 8" x 101" is packed with features and performance to deliver power and bass on demand with 500 Watts of RMS power. 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.

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 c. L. E. A.
BrandRockford Fosgate #ad
ManufacturerRockford Fosgate #ad
Height1.9 Inches
Length6.8 Inches
Weight4.97 Pounds
Width10.1 Inches
Part NumberR2-500X4

3. Rockford Fosgate


Rockford Fosgate R300X4 300W 4-Channel Class AB Prime Series Full Range Amplifier with 2.5 Farad Capacitor & 4 Channel Amp Kit

Rockford Fosgate #ad - 50 watts x 4 @ 4-ohm / 75 watts x 4 @ 2-ohm / 150 Watts x 2 @ 4-Ohm Bridged. R300x4: 300w 4-channel class ab Prime Series Full Range Amplifier. Rockford fosgate r300x4 + gravity gr-2. 5pro + complete 4 Channel Amp Kit. Gr-2. 5pro: 2. 5 farad capacitor block with Stain Chrome LED & E. S. R. Complete 4 channels 2500W 4 Gauge Amplifier Installation Wiring Kit.
BrandRockford Fosgate #ad
ManufacturerRockford Fosgate #ad
Height8 Inches
Length9 Inches
Weight13.7 Pounds
Width12 Inches
Part NumberPK1LCW112

4. Rockford Fosgate


Rockford Fosgate R250X4 250 Watt RMS 4-Channel Car Amplifier + Amp Wire Kit

Rockford Fosgate #ad - R250x4: rms power: 40 watts x 4 @ 4-ohms, 60 watts x 4 @ 2-ohms, 125 Watts x 2 @ 4-Ohms Bridged. Onboard 12db/octave lp/hp/ap crossover & On-board Punch EQ with +18dB boost at 45Hz. Complete 4 channels 2500w Gravity 4 Gauge Amplifier Installation Wiring Kit. Package: rockford fosgate r250X4 + Gravity 4 Channel 4 Gauge Amplifier Kit. Class a/b amplifier Works with factory installed & aftermarket source units.
BrandRockford Fosgate #ad
ManufacturerRockford Fosgate #ad
Height18 Inches
Length9 Inches
Weight11 Pounds
Width12 Inches
Part NumberPK1LCW1

5. Rockford Fosgate


Rockford Fosgate R400-4D Prime 400 Watt Full Range Class-D 4-Channel Amplifier

Rockford Fosgate #ad - Delivering more bass and treble where you want it most with On-board Punch EQ for +18dB boost @ 45Hz. Famous rockford fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller.

Featuring rca pass-thru outputs, 12db/octave Butterworth crossover, 2/4 channel input switch, and tri-stage protection covering thermal, 4 Gauge power/ground connectors, over-current and short circuits. Input sensitivity:150 mV to 4 V. The prime r400-4d is an ultra-efficient 4-channel amplifier 1. 97" x 6. 77" x 9. 10” with top mounted controls and delivering 400 watts rms of power! optimized for 4-channel front/rear systems rms power output: 75 watts x 4 @ 4-Ohm OR 100 Watts x 4 @ 2-Ohm OR 200 Watts x 2 @ 4-Ohm Bridged.

High efficiency, class d design produces maximum power with minimal strain on the vehicle's electrical system while being able to power a full-range system. Operating voltage - 9-16 VDC.
BrandRockford Fosgate #ad
ManufacturerRockford Fosgate #ad
Height2 Inches
Length9.1 Inches
Weight5 Pounds
Width6.8 Inches
Part NumberR400-4D

6. Rockford Fosgate


Rockford Fosgate P400X4 Punch 400 Watt 4 Channel Amplifier

Rockford Fosgate #ad - Note: use 40hz @ 0db track 5 for subwoofer amplifiers or 1kHz @ 0dB Track 7 for full-range amplifiers. Rca inputs can accept both Hi and Low level audio signals without the need of a signal converter. Featuring class a/b topology, rca pass-thru outputs, variable 12 db/oct butterworth crossovers, on-board Punch EQ with +18dB boost @ 45Hz, and C.

L. E. A. N. 50 watts x 4 @ 4-ohm 100 watts x 4 @ 2-ohm 200 Watts x 2 @ 4-Ohm Bridged. Works with factory installed & aftermarket source units. Versatile multi-channel design is a perfect choice for virtually any vehicle RMS Power Output: 50 Watts x 4 @ 4-Ohm OR 100 Watts x 4 @ 2-Ohm OR 200 Watts x 2 @ 4-Ohm Bridged.

Famous rockford fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller. Onboard 12db/octave lp/hp/ap crossover. Cast aluminum Heatsink with Stealth top mounted control panel. On-board punch eq with +18dB boost at 45Hz. The punch p400x4 is a 400 watt 4-channel amplifier 2. 38” x 7. 76” x 11.
BrandRockford Fosgate #ad
ManufacturerRockford Fosgate #ad
Height17 Inches
Length5.8 Inches
Weight6.94 Pounds
Width12 Inches
Part NumberP400X4

7. Crunch


1,000 Watts, 4 Channels, Crunch PX1000.4 Power Amplifier Class Ab, 3.70in. x 12.60in. x 10.80in.

Crunch #ad - Low-level rCA inputs & outputs. Quick thermal Dispersion technology heat sink Low-noise preamp. High-level inputs.
BrandCrunch #ad
Manufacturercrunch #ad
Height3 Inches
Length4 Inches
Weight1 Pounds
Width5 Inches
Part NumberPX1000.4
WarrantyPlease contact the manufacturer

8. Kenwood


Kenwood KAC6407 / KAC-6407 KAC6407 4 / 3 Channel Power Amplifier

Kenwood #ad - High pass filter : 80 hz -12 DB / Oct. Max power : 550W. Power mos-fet switching Power Supply. Low pass filter : 50 - 200 hz -24 DB / Oct.
BrandKenwood #ad
ManufacturerKENWOOD #ad
Height7.87 Inches
Length12.6 Inches
Weight4.41 Pounds
Width2.36 Inches
Part NumberKAC-6407



Full-Range Amplifier, Blaupunkt 1500W 4-Channel

BLAUPUNKT #ad - Optimized 150-watt rms output and a max power output of 1500 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. 1500w maximum power Full-Range Amplifier.
ManufacturerBlaupunkt #ad
Height7.02 Inches
Length4.09 Inches
Weight0.03 Pounds
Width1.36 Inches
Part NumberAMP1504
Warranty1 year