Bosch PTT-A4M Pro Microphone, Headphone and Headset

Deliver reliable, intelligible voice paging and two-way communication in security, surveillance, and monitoring applications with the Bosch PTT-A4M Pro microphone from RTS. This pro handheld microphone pairs a noise-canceling dynamic capsule with an ergonomic, one-handed push-to-talk control to ensure announcements and dispatch calls remain clear even in noisy environments. The coiled cable stretches from 1.5 to 6 feet to minimize tangles and provide flexible reach at guard stations, command centers, or mobile monitoring rigs. With a sensitivity of -64 dB and wired XLR host connectivity, the PTT-A4M integrates easily into paging systems, intercoms, and pro audio setups for consistent voice reproduction. At just 10 oz and finished in durable black, it’s built for repetitive use and fast response in security and surveillance installs. Backed by a 1-year limited warranty, this RTS microphone gives operations teams dependable performance where clarity counts. Ideal for paging, dispatch, and monitoring stations — add the PTT-A4M to your security communications toolkit today.

• Delivers clear, intelligible paging and dispatch communication for security, surveillance, and monitoring environments
• Noise-canceling dynamic capsule reduces background interference for reliable voice pickup
• Large ergonomic push-to-talk button enables fast, one-handed operation during emergencies
• Coiled cable stretches 1.5–6 ft to prevent tangles and keep workspaces organized
• Rugged handheld design with XLR connectivity for simple integration into pro audio and intercom systems