Summary: Low Frequency Response: 45-150 Hz; High Frequency Response: 10-150 Hz; Number of Channels: 4; Frequency Response: 20-30000 Hz; Built In Crossovers: Yes; RMS Power Output: 250x4 Watts; Channel Separation: Yes; Amplifier Class: D; Fuse Rating: 25x2 A; Power into 4 Ohms: 4x175W rms; Power into 2Ohms: 4x250W rms; Bridged mode into 4 Ohms: 2x500W rms; Frequency Response: 20Hz–30kHz 0, -1dB; Signal/noise ratio: 95dB (A); Adjustable gain: 200mV to 19V; Dimensions(HxLxD): 1-5/8 x 8-1/4 x 5 in (41 x 208 x 127mm); Protections: Short-circuit, thermal overload, polarity reversal, DC; Weight: 5; ...