Roswell R1 550.2 Marine Amplifier Roswell Marine amplifiers feature calibrated crossover controls with differential RCA inputs for maximum noise rejection. Rated a Class-D amplifier, the design ensures low current draw from the battery whilst delivering increased power to the connected audio equipment. With nickel plated wire terminals and a fully conformal coated PCB’s making this audio amplifier ready to stand up in marine environments. Roswell amplifiers feature a space saving stackable design with a lit logo power indicator. This Roswell amplifier is ideal for running a R1 Tower Speaker setup. Product Features: Switchable Differential RCA Inputs Conformal Coated PCB’s Nickel-Plated Wire Terminals Bridgeable 2-Channel Design Marine Grade Durability Specifications: Dimensions: 1.9″ x 7.0625″ x 11.125″ Frequency Response: 10 – 25kHz Phase Control: 0-180 High Pass Filter : 30 – 300 Hz Low Pass Filter: 30 – 300 Hz Subsonic Filter: 10 – 55 Hz Bass EQ: 0 ~ 18dB @45Hz Continuous Power (RMS): 4 165 x 2 2 275W x 2