Connector Chart

Single-Wire Short Acoustic Airtube Earpiece with Inline PTT/Microphone

Designed for discreet, lightweight, and comfortable use, the Single-Wire Short Acoustic Airtube Earpiece is perfect for environments where low-profile communication is essential. Despite its compact size, the covert speaker transducer delivers outstanding audio clarity. Combined with a rugged Push-to-Talk (PTT) button and sensitive electret condenser microphone, this earpiece is ideal for use in noisy or fast-paced environments.

A favourite across many industries—especially among security teams, police, nightclub staff, hotel personnel, and event coordinators.

Key Features:

Replaceable Short Airtube Section – The screw-in short acoustic airtube (Model: CRS-SATC) can be purchased separately, allowing the main harness to remain with the radio while issuing the airtube individually to staff. This provides a hygienic and cost-saving solution for shared equipment.

Discreet & Comfortable – Surgical-grade acoustic airtube offers all-day wearability without compromising appearance or audio quality.

Durable Cable – Super-flexible PU cable reinforced with Kevlar for maximum durability in demanding conditions.

Optional Accessories:

Pink Open Ear Mould – Allows ambient noise in, improving comfort and situational awareness.

Noise-Attenuating Earplug – Provides enhanced sound isolation with a Noise Reduction Rating (NRR) of 25dB.

Reliable Communication – Positive-action PTT and electret condenser microphone deliver consistent, high-quality audio performance.

1-Year Warranty – Backed by a full one-year manufacturer’s warranty.

Electrical Specifications for Speaker

Electrical Specifications for Microphone

Product Reliability Assurance Test