JL Audio 010-13727-00 XB-MFBU-ANL Master ANL Fuse Block 4 AWG to 1/0 AWG 250A

The JL Audio XB-MFBU-ANL Master ANL Fuse Block (MPN: 010-13727-00) is a heavy-duty, professional-grade fuse block engineered to protect large-gauge power wiring in high-performance car audio, marine, and powersports installations. Rated for up to 250 amps maximum, it is designed to safeguard the primary power feed for multiple amplifiers or an entire audio system.

Key Features:

• Compatible with power wire sizes from 4 AWG to 1/0 AWG — offering 25 wire entry/exit options for versatile routing
• Rotating wire-entry design — each terminal block rotates to five different wire-entry angles for maximum flexibility in tight or crowded engine bays and battery compartments
• OmniSert™ captured-wire receptacles accept a wide range of wire gauges from 4 AWG to 1/0 AWG without the need for adapter sleeves or ferrules
• Forged and machined brass construction with marine-grade stannum (tin) plating for exceptional conductivity and corrosion resistance
• High-temperature polycarbonate base and cover with rubberized grip surfaces for reliable insulation and protection in demanding environments
• Tool-free cover removal — fuse can be inserted or removed using a flat-blade screwdriver or large coin
• Suitable for both automotive and marine applications thanks to anti-corrosive plating

What's Included: Fuse block with hardware. Note: One ANL Blade Fuse is required and sold separately — select an appropriately rated fuse for the equipment being connected.

Backed by JL Audio's 2-year USA limited warranty, the XB-MFBU-ANL delivers the build quality and installation flexibility expected from a premium audio wiring accessory.