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Alpine KTP-445U Power Pack [Scratch & Dent]Upgrade any car radio to 45 watts RMS X 4
LOW STOCK
- runs off same power circuit as receiver
- compact amplifier with universal plug for in-dash receivers
- 45 watts x 4 at 4 ohms
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JVC KS-AX3204 [Open Box]DRVN Series 4-channel car amplifier — 60 watts RMS x 4
LOW STOCK
- 150 watts RMS x 2 bridged at 4 ohms
- preamp and speaker-level inputs
- switchable high- and low-pass filters
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Sound Ordnance™ M-4100 [Scratch & Dent]4-channel car amplifier — 100 watts RMS x 4
LOW STOCK
- 270 watts RMS x 2 at 4 ohms bridged
- variable high- and low-pass filters
- preamp inputs
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Alpine MRV-F300 [Open Box]4-channel car amplifier — 50 watts RMS x 4
IN STOCK
- 150 watts RMS x 2
- variable low- and high-pass filters
- selectable bass boost
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Kenwood KAC-8405 [Open Box]4-channel car amplifier — 60 watts RMS x 4
IN STOCK
- 180 watts RMS x 2 bridged
- 50-200 Hz variable high- and low-pass filters
- dual cooling fans
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Pioneer GM-D8604 [Open Box]4-channel car amplifier — 100 watts RMS x 4
LOW STOCK
- 300 watts RMS x 2 bridged at 4 ohms
- 125 watts RMS x 4 at 1 ohm
- full-range Class D amp technology
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Kicker 11DX400.4 [Open Box]4-channel car amplifier — 50 watts RMS x 4
LOW STOCK
- 200 watts RMS x 2 bridged at 4 ohms
- variable high- and low-pass filters
- Class D amp technology
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Rockford Fosgate Punch P500-4 [Open Box]4-channel car amplifier — 60 watts RMS x 4
LOW STOCK
- Class-AB amplifier design
- 250 watts RMS x 2 bridged
- variable high- and low-pass filters
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Infinity Reference 475a [Open Box]4-channel car amplifier 75 watts RMS x 4
LOW STOCK
- 90 watts RMS x 4 at 2 ohms
- 180 watts RMS x 2 in bridged mode
- variable high- and low-pass filters
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JL Audio JX360/4 [Open Box]4-channel car amplifier — 70 watts RMS x 4
LOW STOCK
- 180 watts RMS x 2 at 4 ohms
- variable high- and low-pass filter (50-200 Hz, 12 dB/octave)
- speaker-level inputs
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Alpine MRX-F35 [Scratch & Dent]4-channel car amplifier — 55 watts RMS x 4
LOW STOCK
- 170 watts RMS x 2 bridged
- Class-D design
- preamp and speaker-level inputs
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Rockford Fosgate Punch P400-4 [Open Box]4-channel car amplifier 50 watts RMS x 4
LOW STOCK
- 200 watts RMS x 2 bridged
- variable high-pass/low-pass filters
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Alpine MRX-F35 [Open Box]
4-channel car amplifier — 55 watts RMS x 4
LOW STOCK
- 170 watts RMS x 2 bridged
- Class-D design
- preamp and speaker-level inputs
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Kenwood Excelon XR-4S [Open Box]4-channel car amplifier — 120 watts RMS x 4 at 4 ohms
LOW STOCK
- variable high- and low-pass filters (50-200 Hz; 2.5K-10k Hz, 12 dB/octave)
- 300 watts RMS x 2 in bridged mode
- Class-D design
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Alpine MRX-F65 [Open Box]4-channel car amplifier — 110 watts RMS x 4
LOW STOCK
- 150 watts RMS x 2 bridged
- Class-D design
- preamp and speaker-level inputs
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Kicker IX500.4 [Scratch & Dent]4-channel car amplifier — 75 watts RMS x 4
LOW STOCK
- 250 watts RMS x 2 bridged
- full-range Class D design
- variable high- and low-pass filters
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Helix Blue B FOUR [Open Box]4-channel car amplifier — 60 watts RMS x 4
LOW STOCK
- 180 watts RMS x 2 at 4 ohms
- speaker-level inputs
- Class A/B design
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Focal FPP 4100 [Scratch & Dent]4-channel car amplifier — 75 watts RMS x 4
LOW STOCK
- 240 watts RMS x 2 at 4 ohms
- variable low- and high-pass filters
- speaker-level and preamp inputs
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Pioneer Stage 4 PRS-D4200F [Scratch & Dent]4-channel car amplifier — 75 watts RMS x 4
LOW STOCK
- 300 watts RMS x 2 bridged
- variable high- and low-pass filters
- 1-year warranty
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Alpine PDX-F4 [Open Box]4-channel car amplifier — 100 watts RMS x 4
LOW STOCK
- 200 watts RMS x 2 bridged
- Class-D design
- stackable installation design with front-mounted controls
Car Amplifier Shopping Guide If you want your music to be loud, amplifiers are definitely part of the picture. But an amp can do much more than just get other people's attention.
Video: Car Amplifier PowerWe describe the basics of deciding how much power an amplifier should have when you're trying to match it to your speakers or subwoofers.
Video: Sound Ordnance AmplifiersMake your music sound lively and vital with a Sound Ordnance amplifier. Watch this Crutchfield video for a quick overview of what these amplifiers have to offer.