R4002 Riot Series Car Amplifier 2-channel 400W x 2 vs PRV Audio QS400.4 4-Channel Compact Car Amplifier
Overall winner: PRV Audio QS400.4 4-Channel Compact Car Amplifier
Key Differences
BOSS R4002 is a 2-channel amplifier with bridging support and a higher review count but has reports of noise and alternator whine; PRV QS400.4 is a compact 4-channel Class-D unit stable at 2 ohms and offers more channel flexibility in a smaller chassis. Choose BOSS if you specifically need bridged 2-channel operation and want a widely reviewed budget option; choose PRV if you need four channels, a compact Class-D design, and 2-ohm stability
R4002 Riot Series Car Amplifier 2-channel 400W x 2
Riot Series 2-channel car amplifier with full-range capability and bridging option. Provides multiple input options and crossovers for flexible audio setup; customers note easy installation and value for money, with some quality concerns
Pros
- easy to install
- good value for money
- supports 2 channels and bridging
- low/high level inputs and crossovers
Cons
- reports of noise and alternator whine
- some units have channels stopping working
- durability concerns with burnouts
PRV Audio QS400.4 4-Channel Compact Car Amplifier
Compact 4-channel car amplifier delivering 4 x 100 watts RMS at 2 ohms. Stable at 2 ohms with bridgeable channels for higher output. "easy to install" and space-efficient design cited by customers
Pros
- compact chassis
- 4-channel output
- stable at 2 ohms
- bridgeable channels
Cons
- some customers report channels stop working
- mixed reviews on functionality
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | PRV AUDIO |
| Durability | PRV AUDIO |
| Versatility | PRV AUDIO |
| User Reviews | PRV AUDIO |