Custom Cylindrical XLR FMOD ™ Passive Inline Filters

Upgrade your pro audio signal path with Harrison Labs Custom Cylindrical XLR units. Built for high-performance audio engineering, these premium inline tools are engineered to handle your critical frequency shaping and signal management needs with zero noise and absolute precision.

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

Balanced Mono Architecture: These are true balanced mono XLR units designed to maintain complete signal integrity and maximum 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 standard inline placement along your signal chain.

Product Specifications

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

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

⚠️ 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.