BOSS Audio Systems R4002 Riot Series Car Amplifier – 800W Max, 2-Channel, Class A/B, 2/4 Ohm

Elevate your in-vehicle sound with the BOSS Audio Riot R4002, a 2-channel Class A/B amplifier built for dependable performance and value. Stable at 2 ohms and capable of up to 800 max watts, this unit uses a MOSFET power supply to help maintain clear, energetic playback across a wide range of music styles.

Thoughtful tuning features put you in control: a fixed high pass crossover to define the top end, a variable low pass crossover for sub-bass shaping, and a bass boost control for a touch of additional punch when you want it. A remote subwoofer control adds on-the-road convenience, letting you tweak levels without taking your eyes off the road. The Riot R4002 is bridgeable, so you can combine channels for more power if your system calls for it.

Practical ways the R4002 fits your setup

• Run your speakers with clean, dynamic output while optionally driving a subwoofer for deeper impact.
• Connect easily using low level RCA inputs or high level speaker wire inputs, accommodating a wide range of head units.
• Use the fixed high pass and the variable low pass crossovers to tailor frequency ranges to your vehicle’s acoustics.
• Adjust signal strength with the fixed gain control to minimize distortion and optimize performance.
• Rugged MOSFET power supply and Class A/B topology deliver reliable performance under various listening demands.

Key specs at a glance

• 400 Max x 2 @ 2 Ohms, 200 Max x 2 @ 4 Ohms, 800 Max Bridged x 1 @ 4 Ohms
• Full range amplifier capable of driving speakers and subwoofers
• Low and High level inputs for flexible installations
• Variable input gain control to manage signal flow from your receiver
• MOSFET power supply for precise voltage and current handling
• Dimensions 10.72 x 10.44 x 2.25 inches; weight 5.2 lbs; 40 Amp fuse
• 6 Year Platinum Online Dealer Warranty for purchases through Amazon; professional installation recommended

In short, the Riot R4002 offers a practical upgrade path for better bass, clearer mids, and more overall drive without a steep price tag. It is designed to be installer-friendly and vehicle-friendly, with features that support a balanced and customizable listening experience.