Wake Essentials FREE SHIPPING SITE WIDE! Account Checkout Cart Towers Big Air Vulcan Wake Roswell Barewest View All Towers Biminis Accessories Flag Holder Audio Speakers Amplifiers Wiring Other View All Audio Ballast Lights Mirrors Racks Wakeboard Kneeboard Ski Surf Other View All Racks Other Packages Big Air Cuda Tower Haus Tower Ice Tower Vapor Tower Wave Tower X Tower Vulcan Wake Boost Tower Vector Tower Gear More Gift Certificates Tower Comparison Merchandise Blog Specials Clearance Products Towers Big Air Barewest Roswell Skylon Vulcan Wake Biminis Accessories Audio Amplifers Other Speakers Wiring Ballast Lights Mirrors Racks Wakeboard Kneeboard Other Ski Surf Other Packages Big Air Cuda Tower Haus Tower Ice Tower Torrent Tower Vapor Tower Wave Tower X Tower Vulcan Wake Boost Tower Vector Tower Gear Specials More Gift Certificates Merchandise Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Accessories > Audio > Amplifiers > Roswell RMA 650.4 Amplifier Alternative Views: Our Price: $699.00 Qty: Description Roswell's The R1 650.4 is the ideal amp to run your R1 In-Boat setup. It's a 4-channel Class-D design that puts out 100 watts RMS per channel at 4Ω. It features calibrated crossover controls, differential RCA inputs for macimum noise rejection, fully conformal-coated PCB's and nickel-plated marine grade wire terminals. Stackable Class-D design Bluetooth USB portLit logo power indicator lets you know your amp is receiving power Ch 1-4 calibrated crossover (FULL/HPF/LPF)Bridgeable 4-channel design 2 Ohm Stable at 165 watts per channel Differential RCA inputs Conformal- coated PCB's Nickel- plated wire terminalsMarine- grade durabilitySpecificationsContinuous Power (RMS): 4Ω 100Wx4 Bridged: 4Ω 300Wx2Frequency Response: 10Hz-400HzInput Sensitivity: .2-10.0VHPF (High Pass Filter): 30Hz-300HzLPF (Low Pass Filter): 30Hz-300HzBass EQ: 0-18dB @ 45Hz Share your knowledge of this product! Be the first to write a review »