Bosch HR-1A4M Pro Microphone, Headphone and Headset

Designed for control rooms, dispatch centers and broadcast monitoring, the RTS HR-1A4M Pro microphone, headphone and headset delivers dependable, intelligible communications where it matters most. The single-sided circumaural design provides 21 dB of passive noise reduction and a dynamic noise-canceling boom mic to keep voices clear during security, surveillance and monitoring operations. With a professional 300 ohm impedance and XLR wired interface, the HR-1A4M integrates cleanly into intercom, PA and recording systems. Comfort-focused features — including a moleskin-covered headband, foam-filled ear cushions, and adjustable ear cup pressure — reduce fatigue during long shifts, while the boom's sealed ball-and-socket joint ensures consistent mic placement. Built for real-world use, shielded internal cabling and strain-reliefs minimize RFI/EMI and increase longevity. Speech-optimized frequency response (approximately 100 Hz–3 kHz) preserves natural voice quality for accurate voice recognition and monitoring. Ideal for security operators, surveillance technicians, and broadcast engineers — specify the RTS HR-1A4M to improve team communication and situational awareness. Contact sales or add to cart to outfit your operations.

• Improves speech intelligibility in moderately noisy environments with 21 dB passive noise reduction for clearer security and monitoring communications
• Ergonomic circumaural design with moleskin-covered headband and soft ear cushions for all-day comfort during long shifts
• Dynamic noise-canceling boom with sealed ball-and-socket joint for precise mic placement and reliable voice pickup
• Durable, shielded wiring and reinforced strain-reliefs protect against RFI/EMI and heavy daily use; folds flat for easy transport and storage
• Professional 300 ohm impedance and XLR wired interface for seamless integration with intercoms, broadcast consoles and surveillance systems