RTS PH-1 A5M Single-Sided Medium Headset / Foam Cushions / Noise-Canceling Mic / A5M Connector

Description

The PH-1 is a single-sided medium-weight headset designed for professional audio and broadcast talkback applications. It provides a balance of comfort and ambient awareness while maintaining moderate isolation from surrounding noise. The headset is built to be worn for extended periods without adding undue fatigue.

Key features include foam-filled cushions that deliver a light feel and the dynamic noise-canceling microphone that reduces background noise for clearer voice transmission. The microphone mounts on a continuously adjustable ball joint that lets operators position it precisely. The single-sided design keeps one ear open to the environment while providing reliable communication on the other side.

Technical performance is centered on reliable voice reproduction and clear mic pickup. The speaker sensitivity is 95dB and the frequency response for audio is 100 Hz – 10 kHz. The microphone frequency response is 200 Hz – 6 kHz with a listed microphone sensitivity of -65 and a microphone impedance of 150, while the headset impedance is 300.

Connectivity options include multiple connector choices to suit common intercom and comms systems. Available connector options are A4F, Stripped Wire, A4M, and A5M, with this SKU using the A5M connector. The cord length measures 1676.4 mm (5.5 ft) to allow flexible positioning without excessive cable strain.

The PH-1 is well suited to production floors, broadcast studios, and mobile OB vans where dependable talkback and comfortable long-term wear are required. Single-sided fit allows operators to monitor room audio and cues while maintaining private comms in one ear. The headset keeps speech intelligibility high even in moderately noisy environments thanks to the noise-canceling microphone.

Assembly and use are straightforward, with a simple over-the-ear mounting and an adjustable mic boom for fast positioning. The foam-filled cushions are replaceable in the field for ongoing comfort maintenance and hygiene. Overall, the PH-1 combines practical ergonomics and predictable audio performance for demanding AV workflows.