Why Shop Sonic Free Shipping Free Tech Support Easy Returns Low Price Guarantee Details
Your Filters
Number of Channels:
- 4 [x]
Manufacturer:
- Alpine [x]
Narrow Your Results
Price range: $120–$490
Items in range: 5
Availability:
Amplifier Class: 
D (5)
Total RMS Power Output: 
Total Peak Power Output: 
Minimum Impedance Unbridged: 
Minimum Impedance Bridged: 
4 ohms (4)
Bass/Gain Remote: 
No (5)
Preamp Outputs: 
No (5)
Built-in Crossover: 
Speaker Level Inputs: 
No (3)
Yes (2)
CEA-2006 Compliant: 
Yes (5)
Maximum Input Gauge Size: 
4 AWG (2)
8 AWG (2)

Alpine Class D Amplifiers

mrxf30 thumbnail
300W RMS, 4-Channel X Power Series Car Amplifier
Free Ground Shipping within the 48 states
MRX Series 4-Channel Car Amplifier • 50W RMS @ 4 Ohms x 4 Channels • 75W RMS @ 2 Ohms x 4 Channels • 150W RMS @ 4 Ohms Bridged x 2 Channels • Variable Low-Pass Crossover • Variable High-Pass Crossover • Variable Bass Boost
$164.95
Shipping: FREE
To the US 48 • other rates
ktp445 thumbnail
Plug and Play Head Unit Power Pack for Use with all 2005-Up Alpine Head Units (Black Harness)
Free Ground Shipping within the 48 states
Power Pack 4-Channel Class D for Select Alpine In-Dash Receivers • 45W x 4 Chan. @ 4 Ohm • Adjustable Gain Switch • Plug-and-Play • CEA-2006 Compliant
$129.99
Shipping: FREE
To the US 48 • other rates
pdx4100m thumbnail
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
Availability: Only 1 left in stock
pdxf4 thumbnail
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
$399.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
pdxf6 thumbnail
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
$489.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
Related Categories
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.
Change zip[X]
Enter your zip code below to get accurate shipping quotes:
Zip: