Roswell R1 550.2 Marine AmplifierRoswell 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):; 4I(C) 165 x 2; 2I(C) 275W x 2;