This listing is for a single Kicker 45KMA1502 2x60 Watt 2-Channel Weather-Resistant Full-Range Amplifier TOP TECH Purpose-built for your boat, every KM amp comes complete with marine-grade speaker terminals, stainless-steel screws, conformal-coated circuit boards and ABYC/NMMA-compliant power connections. FULL RANGE FUN Using Class A/B power, this amp features a variable bass boost with KickEQ, giving you as much as a 12dB of extra bump. A powerful 12dB crossover is also included, letting you quickly tune your system to perfection. Class A/B Power Supply Stereo Amplifier With Bridging Capability Conformal-Coated Circuit Board Variable 12dB Crossover KickEQ Variable 12dB Bass Boost ABYC/NMMA-Compliant Power Connections 316L Stainless-Steel Hardware Included Specifications POWER [watts/ch], 2 OHM STEREO 75 x 2 POWER [watts/ch], 4 OHM BRIDGED MONO: 150 x 1 DIMS [in] 2-5/16H x 7-1/8W x ...L 8-1/16 DIMS [cm] 5.9H x 18.0W x ...L 20.5 FREQUENCY RESPONSE [Hz]: 10-20k, +0/-1dB INPUT SENSITIVITY: High Level 250mV-10V, Low Level 125mV-5V SIGNAL-TO-NOISE RATIO:>95dB, a-weighted, re: rated power ACTIVE CROSSOVER: 12dB/octave, variable 50-200Hz, selectable high pass, low pass or all pass KickEQ BOOST Variable to +12dB, centered @ 40HzDue to continual development, product, and specifications are subject to change without notice. Stillwater Designs and its agents are not responsible for typographical errors.