4 x 300 Watts RMS @ 4 Ohms - New Compact Design Based on Class-D Technology - Variable Bass Boost: 0-18 dB at40Hz - Advanced Protection Circuitry - Dimension : 7.20''(L) x 7.40''(W) x 1.99''(H).4 x 600 Watts MAX @ 4 Ohms - Double Sided SMT Circuit Board - Phase Adjustable : 0° - Soft Turn On/Off.4 x 450 Watts RMS @ 2 Ohms - 2 Ohms Stereo Stable - 180° - Frequency Response : 10 - 40K Hz.4 x 900 Watts MAX @ 2 Ohms - LPF Variable Crossover : 30Hz-200Hz 24dB/Oct - Nickel Plated Low Level RCA Input - S/N Ratio > 95 dB.High Glossy Black Brushed accents Heat Sink - HPF Variable Crossover : 50Hz-180Hz 12dB/Oct - Power Protection LED Indicators - Fuse : 25A x 2 Witness the newest addition to Pyle's ever-growing lineup of powerful, efficient class-D amplifiers: the Blade series. The PLBA430FRD packs up to 3600 watts of power on 4 channels - all in a compact package. Form and function meet at the sleek high glossy black brushed accents and the modern heat sink design that looks great and keeps your amplifier's temperature regulated. Tweak your sound to your specifications using the low and high pass crossover controls. Pump up the bass with the variable bass boost, which can be controlled remotely using the included dash-mountable bass boost module. Nickel plated RCA inputs keep your sound distortion free. And advanced protection circuitry prevents damage due to power spikes and short-circuiting.