RDL DS-J3M Mic/Line Input Assembly

Capture clear, dependable audio where it matters most — in surveillance rooms, monitoring stations and public address systems. The Radio Design Labs DS-J3M Mic/Line Input Assembly is a pro wall plate designed to accept both XLR mic/line and 3.5mm mini-jack sources, giving you flexible connectivity for professional microphones and consumer devices. Built-in transformer isolation removes hum and ground-loop noise, ensuring intelligible recordings and live monitoring in security and AV installations. The DS-J3M’s rear terminal-block provides a convenient line-level output compatible with equipment that has 10 kΩ or higher input impedance, making integration with mixers, recorders and control systems fast and reliable. Housed in a rugged metal enclosure with clearly labeled connections, this pro wall plate reduces installation time and minimizes field service calls. Whether you’re upgrading a CCTV audio feed, outfitting a control room, or adding mic inputs to a public address network, the DS-J3M delivers consistent, professional audio performance. Add the Radio Design Labs DS-J3M to your next security or AV project to improve clarity and system reliability — order now.

• Deliver clean, noise-free audio for surveillance, monitoring and public address systems with built-in transformer isolation.
• Accept both professional XLR mic/line sources and consumer 3.5mm mini-jack inputs for maximum connectivity.
• Simplify installations with a rear terminal-block line output compatible with systems having 10 kΩ or higher input impedance.
• Rugged metal pro wall plate with clearly labeled connectors reduces installation time and stands up to demanding environments.
• Ideal for CCTV audio, control rooms, and AV racks—improve intelligibility and system reliability across security and monitoring applications.