Professional radio communications

Clear communication. Better fit.

CRS Acoustic Airtube and Earhook Earpieces give frontline members two practical listen-only options, supported by replaceable Acoustic Airtube Earmoulds for improved comfort, fit and long-shift wear.

Shop acoustic airtube earmoulds View the CRS range

Clear CRS replacement earmould for acoustic airtube surveillance earpiece

Featured upgrade Acoustic Airtube Earmoulds
Left or right · S / M / L

Australian supplierProfessional radio accessory expertise

Long-shift comfortSecure fit without fully blocking ambient sound

Serviceable systemReplace the earmould without replacing the complete earpiece

CRS soft polymer acoustic airtube earmould in clear finish

The high-value comfort upgrade

Acoustic airtube earmoulds

A standard mushroom-style eartip can become intrusive across a long shift. The CRS replacement earmould uses a soft, open-profile design to improve stability and comfort while allowing surrounding sound to remain audible.

Secure retentionDesigned to sit more steadily in the outer ear.

Open-ear awarenessDoes not fully seal the ear canal.

Soft polymerSuited to extended operational wear.

Simple replacementFits standard acoustic airtube earpieces.

Small
Medium
Large
Left ear
Right ear

Choose your size and ear

The core Major Industries CRS range

Choose your earpiece. Refine the fit.

Choose the discreet Acoustic Airtube Earpiece or the non-intrusive Earhook Earpiece. For members using the airtube unit, replacement Acoustic Airtube Earmoulds provide the comfort-led upgrade in the correct ear and size.

CRS clear acoustic airtube listen-only surveillance earpiece unit

Acoustic Airtube Earpiece

The complete discreet listen-only unit with clear acoustic tube, clothing clip and replaceable in-ear fitting.

View airtube earpiece

Earhook Earpiece

The complete listen-only alternative for members who prefer an over-ear design without an in-ear mould.

View earhook earpiece

CRS replacement acoustic airtube earmould with left and right ear sizing options

Replacement Earmould

The comfort-led finishing component, available for left or right ears in Small, Medium and Large.

Choose an earmould

CRS spare 3.5 mm threaded earpiece cable for Motorola APX series

Replacement part Need a spare 3.5 mm threaded cable? Available separately for compatible CRS earpieces and supported Motorola APX-series shoulder microphones. View spare cable

Check compatibility before ordering

Radio and shoulder-microphone connections vary. Confirm the connector type used by your equipment before purchase. If you are unsure, contact Major Industries with the radio or shoulder-microphone model.

Professional communications accessories

Stay sharp. Never Off Duty.

Shop acoustic airtube earmoulds

CRS Accessories

Clear communication. Better fit.

Acoustic airtube earmoulds