Kicker 47KMDB3 is an ABYC-compliant ground distribution block designed for marine audio ground distribution in boat audio installations. It helps marine system builders organize protected power or ground connections when adding amplifiers and accessories. Key Features Abyc-compliant ground distribution block Designed for marine audio ground distribution Supports organized marine audio wiring layouts Built for boat amplifier and accessory installations Marine / Powersports Durability Designed for marine, powersports, or outdoor audio environments when used in the intended application Weather-resistant materials support installations exposed to moisture, vibration, and outdoor conditions Proper mounting, routing, and system matching are required for reliable long-term operation Application & Compatibility Primary Use: Marine audio wiring distribution Application: Boat amplifier and accessory wiring systems Compatibility: Verify fuse, wire, and current requirements before installation Installation Notes Install in a protected, accessible location Use proper wire gauge, terminals, and fuse values Follow marine wiring practices and system current requirements Technical Specifications Brand: Kicker Model: 47KMDB3 Product Type: Marine wiring distribution accessory Application: marine audio ground distribution Identifiers & Packaging MPN: 47KMDB3 UPC: 713034013433 Sold As: Each Included Components: ABYC-compliant ground distribution block, documentation Why Buy From MCOR Automotive Authorized retailer for the brands we sell Specialists in marine, powersports, motorcycle, and vehicle audio upgrades Expert support for speaker selection, amplifier matching, wiring, and clean system setup