XLR Fmod ™ Low Pass Filters (Platinum Edition)

Harrison Labs Universal Low-Pass Parametric Patch Board | Multi-Format Crossover Hub

The professional solution for low-pass signal routing and subwoofer optimization. The Harrison Labs Universal Low-Pass Parametric Patch Board is a versatile, Made in the USA interface designed to isolate deep bass frequencies while bridging the gap between different connector standards. This unit allows you to create custom XLR, RCA, 1/4”, or Euro-style low-pass crossovers to feed subwoofers and mid-bass drivers with a clean, high-fidelity signal without the need for specialized cables or active electronics.

Technical Specifications

• Input/Output Sections: Two sections with parallel connectivity optimized for low-pass routing.

• Supported Connectors: * 4-Terminal XLR (Balanced/Unbalanced)

• 3-Terminal 1/4” Phone Combo (Balanced/Unbalanced)

• 3-Terminal Euro Connector (Balanced/Unbalanced)

• Dual RCA Jacks (Unbalanced)

• Low-Pass Integration: Dual sliding rods for locking Harrison Labs FMOD LPF units.

• Crossover Points: Compatible with Low-Pass frequencies (50Hz to 200Hz+).

• Circuit Type: Pure Passive (No power required, 100% signal transparency).

• Grounding: Includes dedicated equipment ground terminals to ensure a silent, hum-free signal path.

• Manufacturing: Made in the USA 🇺🇸