The Plus Audio HMS1 Headworn Microphone System is a premium single-ear headset microphone designed for professional use, featuring a durable, highly flexible boom that ensures durability and precise positioning. The 2.5mm omnidirectional condenser capsule, made in Denmark, provides exceptional audio clarity across a 20Hz–20kHz frequency range. With a comfortable and adjustable ear hook, the HMS1 offers both versatility and a secure fit. Compatible with Shure and Sennheiser systems, making it perfect for live performances, broadcasts, presentations, and more.
Features at a Glance:
- Highly Flexible Boom: Features an almost unbreakable, highly flexible boom for durable performance and precise microphone positioning.
- Premium Microphone Capsule: Equipped with a 2.5mm Danish-made omnidirectional condenser capsule for superior audio clarity and sensitivity.
- Versatile Design: An adjustable ear hook provides a secure, comfortable fit for single-ear configurations.
- Wide Compatibility: Includes adapter cables for Shure and Sennheiser systems, ensuring easy integration with existing setups.
- Complete Accessory Kit: Comes with two windscreens, and a protective carry case for added convenience and protection.
Specifications:
| Element | Back electret condenser |
| Polar Pattern | Omnidirectional |
| Frequency Response | 20Hz – 20kHz |
| Sensitivity | -35 dBV/Pa @ 1kHz ±3dB |
| Output Impedance |
2kΩ ±30% |
| Maximum SPL | 140dB |
| Self-Noise | 30 dB(A) |
| Dynamic Range | 110dB |
| Operating Voltage | 1.5 – 12V DC |
| Cable | Ø1.4mm x 1.2m |
| Weight | 2.5g |
| Dimensions | Ø2.5mm |
| Included Adapter Cables | Sennheiser and Shure |
| Accessories | 2 windscreens plus a protective carry case |


















