Bosch Audio PTT-A4M Push-to-talk Hand Microphone

Product Description

The BOSCH AUDIO PTT-A4M is a push-to-talk hand microphone with noise-cancelling capability, designed for use in demanding communication environments. This unit connects to compatible speaker or intercom systems and allows clear voice transmission even in high-ambient-noise settings. The noise-cancelling design filters out background sound to deliver intelligible audio during critical communications. It is installed and serviced by audio-visual technicians, security system integrators, and facility communications professionals working with paging, intercom, or PA system infrastructure.

The PTT-A4M is suited for commercial and industrial environments where reliable voice communication is essential. Typical applications include facility paging systems, security dispatch stations, and public address installations. The push-to-talk operation gives the user direct control over transmission, making it appropriate for high-traffic communication points such as lobbies, control rooms, and entry access stations. This microphone is sold as a single unit and is categorized as a speaker accessory.

Key Features

• Push-to-talk operation for controlled, on-demand voice transmission
• Noise-cancelling microphone element reduces ambient background interference
• Handheld form factor suitable for desk-mount or panel-mount integration
• Designed for use within professional speaker and paging system installations
• Sold as a single unit (each)

Compatibility

Designed as an OEM-style accessory for use with compatible BOSCH AUDIO speaker, paging, and intercom systems. Verify terminal and connector compatibility with the target system before installation.

Installation Notes

Installation should be performed by a qualified audio-visual or low-voltage technician familiar with paging and intercom system wiring. Power down or disable the connected audio system before making any wiring connections to prevent signal damage or equipment faults. Follow all applicable low-voltage wiring codes and manufacturer wiring diagrams for the host system. Do not modify the microphone housing or internal components.