Roswell R1 650.4 Marine 4-Channel Amplifier

The R1 650.4 is a robust, marine-grade amplifier specifically designed for your boat's audio setup. This 4-channel Class-D amplifier delivers an impressive 100 watts RMS per channel at 4Ω, making it an excellent choice for powering R1 6.5” marine speakers.

Featuring calibrated crossover controls for easy bridging and tuning, the amplifier minimizes noise interference with its differential RCA inputs. Built with fully conformal-coated PCBs and nickel-plated wire terminals, the R1 650.4 ensures durability and long-lasting performance in marine environments.

• Calibrated crossover (FULL/HPF/LPF) for Channels 1-4
• Space-saving, stackable design
• Bridgeable 4-channel configuration
• Marine-grade construction for enhanced durability
• 2 Ohm stable operation up to 165 watts per channel
• High-efficiency Class-D topology
• Conformal-coated PCBs for moisture protection
• Illuminated logo power indicator
• Nickel-plated wire terminals for conductivity
• Switchable differential RCA inputs to reduce interference