Roswell R1 650.4 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 6.5" marine speaker setup.Product Features: Switchable Differential RCA Inputs; Conformal Coated PCB's; Nickel-Plated Wire Terminals; Bridgeable 4-Channel Design; Marine Grade Durability; Specifications: Dimensions: 1.9" x 7.06" x 11.125"; Frequency Response: 10 - 25kHz; High Pass Filter : 30 - 300 Hz; Low Pass Filter: 30 - 300 Hz; Bass EQ: 0 ~ 18dB @45Hz; Bridged: 4I(C): 300W x 2; Continuous Power (RMS):; 4I(C) 100W x 4; 2I(C) 165W x 4;