CX-Series Mono Amps are now one-ohm stable, giving you even more power and wiring options for your system! Using efficient Class-D power, the CXA400.1 features a variable bass boost with KickEQ™, giving you as much as a 6dB of extra bump with a simple turn of the optional CXARC Remote Bass Controller. A powerful 12dB crossover and 24dB subsonic filter is included, letting you quickly tune your system to perfection. Use the full-range outputs to expand your system with other bass amps, or a full-range amp to complete your system.CX.1 Amplifiers accept up to 40 volts (400 watts) of speaker-level input signal. This kind of flexibility both makes line-out converters unnecessary and optimizes your sound quality at the same time!Expand your system with full-range, RCA pass-through outputs, then choose a “standard” mount or a cool vertical mount with the included hardware.CX.1 Amps deliver as much as 400 watts into one bass channel. See below for more details.SpecificationsMODELCXA400.1Power (watts/ch) 4 Ohm150×1Power (watts/ch) 2 Ohm300×1Power (watts/ch) 1 Ohm400×1CXRC Remote Bass Capable (sold sep.)yesDimensions (in, cm): (all models 2-3/8, 5.9H x 6-3/4, 17W x …L)8-1/8, 20.6Frequency Response (Hz):25-200, +0/-1dBInput Sensitivity:250mV-10V (Low Level)1V-40V (High Level)Signal-to-Noise Ratio:>95dB, a-weighted, re: rated powerActive Crossover:Variable Lo-pass 50Hz–200Hz, 12dB/octaveSubsonic Filter:25Hz @24dB/octaveKickEQ™ BoostVariable 0-6dB @40HzAdditional information Weight 2.3 kg Dimensions 229 × 305 × 102 mm