Custom Cylindrical XLR FMOD™ (Low Pass Filter)

🇺🇸 MADE IN THE USA 🇺🇸

Tame harsh high frequencies and dial in precise sub-bass routing with Harrison Labs Custom Cylindrical XLR Low Pass Filters. Built for high-performance audio engineering, these premium passive inline tools are engineered to eliminate unwanted high-frequency hiss, EMI, and bleed, leaving you with a clean, hard-hitting low-end.

Each unit is custom manufactured using top-tier, heavy-duty Switchcraft connectors and housings for maximum durability, pristine shielding, and exceptional contact reliability in demanding studio, live sound, or broadcast environments.

Key Features

Precision High-Cut Filtering: Smoothly rolls off highs and mids to isolate clean bass frequencies for subwoofers, electronic crossovers, or specialized signal routing.

Balanced Mono Architecture: These are true balanced mono XLR units designed to maintain complete signal integrity and maximum common-mode noise rejection over long cable runs.

Stereo Requirements: Sold individually as mono units. Two units are necessary for a stereo setup (one for the Left channel, one for the Right channel).

Standard Orientation: Engineered with a Female Input and Male Output for seamless, plug-and-play placement directly along your signal chain.

Product Specifications

Filter Type: Passive Low Pass (High Cut)

Premium Build: Authentic Switchcraft® XLR connectors and rugged cylindrical metal housings.

Passive Design: Requires no external power supply—just clean, transparent frequency shaping.

⚠️ IMPORTANT Order Notice: Please note that these are custom-built units, individually assembled to order. All sales are final. Custom cylindrical XLR units cannot be returned, exchanged, or refunded. Please double-check your system specifications and crossover frequency requirements before placing your order.