JL Audio Water-Resistant Master MAXI™ Fuse Block (XD-MFBW-MAXI) - 010-13485-00 (90469)

JL Audio XD-MFBW-MAXI Water-Resistant Master MAXI™ Fuse Block is a compact, marine-grade master fuse block designed to protect the main power cable feeding your amplifier or distribution system. It uses a genuine MAXI™ blade fuse and accepts a wide range of cable sizes, making it ideal for high-current automotive and marine audio installs.

OmniSert™ captured-wire receptacles allow secure terminations from 8 AWG up to 4 AWG power wire without separate adapter sleeves. Forged and machined brass construction with marine-grade plating ensures excellent conductivity and long-term corrosion resistance, while the high-temperature polycarbonate base and hinged cover provide insulation and protection in harsh environments.

Key Features

• Water-resistant Master MAXI™ fuse block for main power protection
• Designed for high-current amplifier or system power feeds
• OmniSert™ captured-wire receptacles accept 8 AWG–4 AWG power wire
• Forged & machined brass with marine-grade plating
• High-temperature polycarbonate base and hinged protective cover
• Uses a single MAXI™ blade fuse (sold separately)
• Fuse can be removed/installed without removing the cover (service-friendly design)

Technical Specifications

Ideal Applications

• Main power protection for a single high-current amplifier
• Marine and powersports systems where water resistance is critical
• Custom installs needing a compact, clean master fuse location near the battery

What’s Included

• JL Audio XD-MFBW-MAXI water-resistant master MAXI™ fuse block
• Protective cover and base (pre-assembled)
• Mounting hardware (as supplied by JL Audio)

Why Buy From MCOR Automotive

• Authorized JL Audio dealer with deep experience in high-current power wiring
• Guidance on fuse sizing, cable selection, and safe routing for multi-amp systems
• Post-sale support for basic installation and troubleshooting questions