Kicker Marine Subwoofer Amplifier Upgrade Kit – KMA800.1 800W Mono Amp, 4 Gauge Wiring Kit & RCA Cables – DIY Pontoon & Boat Audio Add-On for Stronger Bass

This bundle includes the Kicker 47KMI3 Marine Series 2-Ch RCA Interconnect (3.0m), the Kicker 47KMPK4 Marine 4awg Amp Power Kit, and the Kicker 48KMA8001 KMA800.1 1x800w Weather-Resistant Mono Sub Amplifier. The Kicker 47KMI3 Marine Series RCA Interconnect ensures strong signal transmission with split-pin connections and pure OFC wire for maximum signal clarity. The PVC jacketing offers a superior seal, protecting the connection from the elements. Its ultra-slim design allows for easy, snag-free routing in tight spaces. The Kicker 47KMPK4 Marine Amp Power Kit is a comprehensive solution for marine power needs. It includes a 20 ft 4 awg red power wire and a 20 ft yellow ground wire, both with tin-plated ring terminals and marine-grade heat shrink for corrosion resistance. The kit also features a 20 ft 18ga blue remote wire, a KMFMF marine-rated fuse holder, an MRBF100 100A marine-rated fuse, two 18ga fork terminals with blue boots, and 20 zip ties. The full-spec OFC cable is tinned in anti-corrosive nickel, meeting the highest industry standards for marine use. The Kicker 48KMA8001 KMA800.1 Mono Sub Amplifier delivers 800 watts of power in a weather-resistant design. Built for marine environments, it features conformal-coated circuit boards, 316L stainless-steel hardware, and marine-compliant terminals. The amplifier includes a 0-6dB variable bass boost and built-in variable crossovers for precise speaker performance. Its compact size allows for easy installation in tight spaces. Specifications include 800 watts at 1 Ohm Mono, 600 watts at 2 Ohm Mono, and a dynamic power of 1200 watts. The frequency response is 25-200 Hz, with a variable crossover of 50-200 Hz at 12dB/octave. Dimensions are 2-5/16 inches high, 6-11/16 inches wide, and 8-1/16 inches long.

Creative Audio opened in 1991 and has grown into a multi-location specialty retailer with seven stores across Missouri and Arkansas. We support enthusiasts, installers, and everyday customers with product knowledge, practical guidance, and a service-first approach that extends beyond the checkout.

We are deeply invested in performance-focused audio across categories: car audio, marine, powersports, and home audio. That means more than selling gear — it means understanding system matching, power requirements, signal integration, real-world installation considerations, and the small details that determine whether a system performs the way it should.

Our teams work daily with source units and processors, amplifiers, speakers, subwoofers, wiring and installation accessories, sound treatment, and integration solutions. We also support remote start and vehicle security categories for customers who want added convenience and protection.

Creative Audio employs Mobile Electronics Certified Professionals, and we support customers before and after the sale. If you are unsure about compatibility, installation requirements, or what is included, message us through eBay with your application details and we will help you make an informed decision.

Most orders ship within 24 hours.

Orders are packaged carefully and ship promptly to the address provided at checkout. If something arrives damaged or incomplete, contact us through eBay messages right away and we will help you resolve it.

Returns are accepted within 30 days in accordance with the return terms shown on this listing. Items must be returned in original condition. International returns are not accepted.