The new SIGNUM SXE series is visually inspired by the successful HORIZON HXE series, but already shows with the massive connection terminals and the noble aluminum end panels that it plays a class higher. The new amplifiers are also the first choice in terms of sound: The high-quality NE5532 operation amplifiers in the input section ensure the finest resolutions over the entire frequency range and guarantee lowest distortion values. Aluminum Heat sink with Acrylic Inlays and flush-mount Diamond Cut-Logo Aluminum Frames on the end panels Massive Terminals Bottom panel with sturdy Mounting Brackets MOSFET PWM-Power Supply, 3-way Protection Circuit Compact Bass Remote Class A/B & D Hybrid Technology Class A/B: 4 x 75/125 Watts RMS @ 4/2 Ohms Highpass Filter 32 Hz - 2000 Hz Class D: 1 x 200/350/500 Watts RMS @ 4/2/1 Ohms Lowpass Filter 32 Hz - 300 Hz Subsonic Filter 10 Hz - 60 Hz Bass Boost 0 - 12 dB @ 40 Hz - 60 Hz RCA Inputs, Bass-Remote Controller Dimensions: 220 x 51 x 360/402 mm Efficiency up to 64%