Audio-Technica AT8531 Belt-Pack Type Power Module, Phantom Battery Operation

For on-the-go installations, live events, and discreet security or surveillance monitoring, the Audio-Technica AT8531 belt-pack power module delivers dependable phantom power where fixed supplies aren’t practical. This compact microphone power module supplies 9–52V phantom power using readily available AA batteries, enabling gooseneck and overhead mics to operate untethered for flexible placement. The low-frequency roll-off switch minimizes structure and wind noise to improve intelligibility in conference rooms, control rooms, and monitoring stations.

Designed for professionals, the AT8531 features a TB3-male mini XLR input and a standard 3-pin XLR-male output for fast, reliable connectivity with Audio-Technica models. Its secure belt clip and rugged construction make it ideal for repeat installations in AV, security, and surveillance environments. Backed by a 2-year limited warranty, it’s a practical choice for integrators and AV managers who need portable, clean phantom power for critical audio applications. Add the AT8531 to your toolkit for flexible mic powering in monitoring, surveillance, and professional AV systems.

• Provides portable 9–52V phantom power using common AA batteries so microphones run untethered on location
• Compact belt-pack design with clip for secure, discreet placement during long installs or surveillance monitoring
• Low-frequency roll-off switch reduces structure and wind noise for clearer speech in security and AV applications
• TB3-mini XLR input and standard 3-pin XLR output ensure seamless compatibility with Audio-Technica gooseneck and overhead mics
• Rugged, professional-grade build with a 2-year limited warranty for reliable operation in monitoring and surveillance systems