Shure SLXD3=-H55 Plug-On Transmitter, 514-558 MHz

Bring professional-grade wireless audio to live sound, AV installs, or security and surveillance monitoring with the Shure SLXD3 Plug-On Digital Transmitter. This compact plug-on transmitter converts any XLR source into an SLX‑D wireless mic, delivering transparent 24-bit audio and a wide 20 Hz–20 kHz response so voices and instruments remain natural and intelligible. Operating across 514–558 MHz with a 44 MHz tuning bandwidth and switchable power levels, the SLXD3 gives integrators and production teams the RF flexibility needed in crowded venues and monitored environments.

Built for reliability, the SLXD3 features Shure’s patented locking ring and rugged metal construction to prevent dropouts and loosened connections during critical events. Phantom power (+12–48 VDC) supports condenser microphones, while digital predictive switching diversity and IR sync make channel setup fast and dependable. With up to 8 hours of runtime from two AA batteries (or the optional SB903 Li-ion), it’s ideal for extended meetings, surveillance audio capture, courtroom monitoring, and touring applications. Add the Shure SLXD3 to your kit for secure, high-fidelity wireless audio — order now for dependable performance in pro audio, security, and monitoring systems.

• Converts any XLR mic to reliable SLX-D wireless for fast deployment
• Delivers transparent 24-bit digital audio for clear speech and music
• Supports +12–48 V phantom power so condenser and dynamic mics are plug-and-play
• Patented locking ring and rugged metal build ensure secure, wobble-free connections
• Long runtime (up to 8 hours on 2 AA or optional SB903 Li-ion) and IR sync for effortless pairing