Bosch BT-3 Medium Earcones
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
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Key Features
- Comfortable, secure medium-size fit that reduces fatigue during long security and surveillance shifts
- Delivers clear, unobstructed audio from Telethin drivers for improved situational awareness
- Specifically compatible with Bosch/RTS ET-4 eartubes for quick, reliable integration
- Pack of 5 replacement earcones keeps headsets mission-ready and lowers downtime
- Easy to install and replace, supporting maintenance schedules for monitoring and communications equipment
Quick Specifications
- Product Model
- BT-3
- Brand Name
- RTS
- Product Name
- Earcones for ET4, Medium Size
- Product Type
- Ear Bud
Explore the details
Product information
BT-3
Overview
Optimize in-ear comfort and audio clarity for your security and monitoring teams with the RTS BT-3 medium earcones. Designed for use with Telethin drivers and Bosch ET-4 eartubes, these medium-size earcones sit comfortably in the ear canal to deliver clear, unobstructed audio that improves situational awareness during surveillance, patrol, and control-room operations. Each pack contains five BT-3 earcones, making it easy to keep headsets serviceable and reduce downtime across multiple users. Manufactured under The Bosch Group standards and branded RTS, the BT-3 earcones are a simple replacement part that preserves the original audio quality of professional headsets and eartube systems. Installation is tool-free and fast, so technicians can swap earcones onsite without interrupting critical communications. Ideal for security contractors, operations centers, and AV integrators, these earcones help maintain reliable voice and monitoring performance for talk-through, dispatch, and closed-loop communications. Order BT-3 medium earcones to restore comfort and clarity to your ET-4 eartube headsets and keep your surveillance systems performing at their best.
Features
- Comfortable, secure medium-size fit that reduces fatigue during long security and surveillance shifts
- Delivers clear, unobstructed audio from Telethin drivers for improved situational awareness
- Specifically compatible with Bosch/RTS ET-4 eartubes for quick, reliable integration
- Pack of 5 replacement earcones keeps headsets mission-ready and lowers downtime
- Easy to install and replace, supporting maintenance schedules for monitoring and communications equipment
| General Information | |
|---|---|
| Brand Name | RTS |
| Manufacturer | The Bosch Group |
| Product Name | Earcones for ET4, Medium Size |
| Product Type | Ear Bud |
| Product Series | BT |
| Packaged Quantity | 5 |
| Manufacturer Part Number | BT-3 |
| Miscellaneous | |
| Compatibility | Bosch ET4 Eartubes |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- BT-3
- Manufacturer part:
- BT-3
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsBosch BT-3 Medium Earcones
BT-3