JL Audio XD-PDBU-3X 3-Way Power Distribution Block is an unfused power distribution block engineered to split a single high-current power feed into three smaller branch circuits. It is designed for multi-amp automotive, marine, and powersports audio systems where clean, centralized power routing is required without adding fuse redundancy at the distribution point. The block accepts large input cable from 1/0 to 4 AWG and distributes to three output runs that accept 4 AWG to 8 AWG wire. JL’s OmniSert™ captured-wire receptacles allow secure terminations across mixed gauges without needing additional reducers or sleeves. Forged and machined brass internals with marine-grade plating deliver excellent conductivity and corrosion resistance, while a high-temperature polycarbonate cover provides insulation and protection. Key Features Unfused 3-way power distribution block for high-current audio systems Single input accepts 1/0 AWG – 4 AWG cable Three outputs accept 4 AWG – 8 AWG cable OmniSert™ captured-wire receptacles for secure mixed-gauge connections Forged & machined brass internals with marine-grade plating High-temperature polycarbonate protective cover Compact form factor suitable for battery, helm, or rack installs Technical Specifications Model XD-PDBU-3X 3-Way Power Distribution Block Garmin PN 010-13457-00 JL Legacy PN 90364 UPC 699440903646 Input Wire Range 1/0 AWG – 4 AWG Output Wire Range 4 AWG – 8 AWG (each branch) Construction Forged & machined brass, marine-grade plating Cover High-temperature polycarbonate Approx. Shipping Weight ~2.0 lb Ideal Applications Multi-amplifier power distribution Marine & powersports audio systems needing corrosion-resistant hardware Battery-side power management in custom builds Compact centralized distribution in amp racks or helms What’s Included JL Audio XD-PDBU-3X 3-way power distribution block Protective polycarbonate cover Hardware (as supplied by JL Audio) Why Buy From MCOR Automotive Authorized JL Audio dealer with real-world power management expertise Guidance on gauge selection & system layout for multi-amp builds Post-sale support for installation & troubleshooting questions Fitment & Installation Help Need help confirming fitment or installation parts? Use our Fit Guide or contact us through the chat button before ordering. Authorized Retailer & Warranty MCOR Automotive is an authorized JL Audio / Garmin retailer. Products purchased from MCOR include applicable manufacturer warranty coverage when installed and used according to manufacturer guidelines.
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