Roswell’s R1 550.2 is the ideal amp to run your R1 Tower Speaker setup. It’s a 2-channel Class-D design that puts out 165 watts RMS per channel at 4Ω and 275 watts RMS per channel at 2Ω. Featuring calibrated crossover controls, differential RCA inputs for maximum noise rejection, fully conformal-coated PCB’s, and nickel-plated marine-grade wire terminals.