Five Channels of Fun The CXA660.5 Amplifier is built to be the complete package in one cool-looking amp.<br> <br> The CXA660.5 Amplifier uses powerful Class A/B technology to power four mid/high-range channels and an ultra-efficient Class D power plant for the bass channel. The amp also comes equipped with FIT+ (Fail-safe Integration Technology-PLUS), giving you superior clarity and dependability.<br> <br> KickEQ variable bass boost gives you as much as a 6dB of extra bump with a simple turn of the knob. A powerful 12dB crossover and 24dB subsonic filter is also included.<br> <br> Feature Highlights:<br> Class A/B full-range channels<br> Class D bass channel included for one amp to run an entire system<br> Three-second turn-on/off delay to eliminate unwanted interference<br> Variable 12dB crossovers provides control to dial in perfect sound<br> KickEQ 6dB variable bass boost for those additional low frequencies<br> FIT+ (Fail-safe Integration Technology-PLUS) means it works with nearly every radio<br> Accepts up to 40-volt input signal<br> Small footprint for easier installation<br> Vertical mounting hardware included for another unique look<br> <br> Specifications:<br> MODEL:CXA660.5<br> Power (watts/ch) 4 Ohm Stereo: 65x4<br> Power (watts/ch) 2 Ohm Stereo: 90x4<br> Power (watts/ch) 4 Ohm Mono: 180x2<br> Power (watts/ch) 4 Ohm Mono Sub Ch: 150x1<br> Power (watts/ch) 2 Ohm Mono Sub Ch: 300x1<br> CXRC Remote Bass Capable (sold sep.): yes<br> Dimensions (in, cm): (all models 2-3/8, 5.9H x 6-3/4, 17 W x ...L): 14-1/8, 35.7<br> Frequency Response (Hz): 10Hz-20kHz<br> Frequency Response (Hz – Sub Ch.): 25Hz-200Hz<br> Input Sensitivity: 250mV-10V (Low Level) 1V-40V (High Level) Signal-to-Noise Ratio: 90dB<br> Active Crossover: Amp 1-2: High Pass 10-200Hz @ 12dB/Octave Sub Channel: Low Pass 50-200Hz @ 12dB/Octave<br> Subsonic Filter: 25Hz @24dB/Octave<br> KickEQ Boost: Variable 0-6dB @40Hz<br>