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Price range: $129–$580
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Alpine 4-Channel Amplifiers

5-1/4" SPS-510 Type S Speakers + Rockford Fosgate R300-4 4 Channel Amplifier + Kit + Sound Dampening
Free Ground Shipping within the 48 states
5-1/4" Type S Series Car Speakers • 340W Max • 110W RMS • Prime Series 4-Channel Class A/B Car Amplifier • MOSFET Power Supply • CEA-2006 Compliant Amplifier • Amplifier Kit • Sound Dampening Material
$221.92
Shipping: FREE
To the US 48 • other rates
300W RMS 4-Channel Amplifier
Free Ground Shipping within the 48 states
V Power Series 4-Channel Class AB Car Amplifier • 50W x 4 chan. @ 4 ohm • 75W x 4 chan. @ 2 ohm • 150W x 4 chan. Max • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Non-Fading pre-amp output • Thermal management control • 4/3/2 Channel design
$129.00
Shipping: FREE
To the US 48 • other rates
  • 4.7
  (16 reviews)
Availability: Out of Stock - Backorder
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Universal Head Unit Power Pack for Use with all Aftermarket & Factory Receivers
Free Ground Shipping within the 48 states
Universal Power Pack 4-Channel Class D for All In-Dash Receivers • 45W x 4 Chan. @ 4 Ohm • Adjustable Gain Switch • Plug-and-Play • CEA-2006 Compliant
$129.95
Shipping: FREE
To the US 48 • other rates
  • 5.0
  (3 reviews)
Availability: Out of Stock - Backorder
E-mail me when it is in stock
1300W Max 4-Channel X Power Series Car Amplifier
Free Ground Shipping within the 48 states
4-Channel X Power Series Car Amplifier • 4 ohms: 110 watts x 4 chan. • 2 ohms: 160 watts x 4 chan. • Bridged, 4 ohms: 320 watts x 4 chan. • Pulse Width Modulated MOSFET Power Supply
$289.95
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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400W RMS PDX Series 4-Channel Power Density Digital Amplifier
Free Ground Shipping within the 48 states
PDX Series 4-Channel Car Amplifier • Class D • 400 Watts RMS • 100 Watts x 4 Chan. RMS • Variable High-Pass and Low-Pass Filter • Blue LED Power/Status Indicator • Compact Size
$369.95
Shipping: FREE
To the US 48 • other rates
  • 5.0
  (10 reviews)
Availability: Out of Stock - Backorder
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340W RMS 4-Channel X Power Series Car Amplifier
Free Ground Shipping within the 48 states
MRX Series 4-Channel Car Amplifier • 55W RMS @ 4 Ohms x 4 Channels • 85W RMS @ 2 Ohms x 4 Channels • 170W RMS @ 4 Ohms Bridged x 2 Channels • Variable Low-Pass Crossover • Variable High-Pass Crossover • Variable Bass Boost
$249.95
Shipping: FREE
To the US 48 • other rates
  • 4.0
  (1 review)
Availability: Out of Stock - Backorder
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600W RMS PDX Series 4-Channel Power Density Digital Amplifier
Free Ground Shipping within the 48 states
PDX Series 4-Channel Car Amplifier • Class D • 600 Watts RMS • 150 Watts x 4 Chan. RMS • Variable High-Pass and Low-Pass Filter • Blue LED Power/Status Indicator • Compact Size
$579.99
Shipping: FREE
To the US 48 • other rates
  • 4.7
  (10 reviews)
Availability: Out of Stock - Backorder
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Marine Series 4-Channel Power Density Digital Amplifier (PDX4.100M)
Free Ground Shipping within the 48 states
Marine Series 4-Channel Class D Car Amplifier • 100W x 4 chan. @ 4 ohms • 100W x 4 chan. @ 2 ohms • 200W x 2 chan. @ 4 ohms • 4/3/2 channel operation • Coated to protect unit against harsh marine environment • Compact and stackable design
$379.99
Shipping: FREE
To the US 48 • other rates
  • 4.5
  (2 reviews)
Availability: Out of Stock - Backorder
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Alpine Sound Processors
For those who want the most out their car audio system, a quality sound processor is a must. After some slight adjustments, your systems will sound like it has been professionally tuned and optimized. Tune your system to perfection with these crossovers, equalizers, and bass drivers.