Bosch BT-2 Small 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
- Discreet, comfortable in-ear fit for extended wear — ideal for security and surveillance teams
- Designed for clear audio transfer with Telex Telethin drivers when used with ET-4 eartube
- Small size molds securely inside the ear canal to reduce background noise and improve intelligibility
- Packaged in a 5‑pack for easy replacement and deployment across multiple staff or shifts
- Lightweight, low-profile design supports covert monitoring, event comms and professional installations
Quick Specifications
- Product Model
- BT-2
- Brand Name
- RTS
- Product Name
- Earcones for ET4, Small Size
- Product Type
- Ear Bud
Explore the details
Product information
BT-2
Overview
Keep communications discreet and reliable with the RTS Bosch BT-2 Small Earcones — precision ear buds engineered for professional security, surveillance and monitoring applications. These small BT-series earcones sit comfortably inside the ear canal, delivering clear audio from any Telex Telethin driver when paired with the ET-4 eartube. Sold as a 5-pack (Manufacturer Part Number: BT-2), they offer cost-effective replacement and quick deployment across teams or multi-shift operations. The low-profile design minimizes visibility on camera and reduces ambient noise, improving voice intelligibility for guards, event staff and control-room operators. Compatible with Bosch/RTS ET4 earmold systems, the BT-2 earcones are built for dependable, long-term use in demanding environments. Whether you’re outfitting a security detail, stockpiling spares for surveillance rigs, or upgrading in-ear monitoring for broadcast or communications, these earcones provide a comfortable, secure fit and clear audio reproduction. Add the RTS Bosch BT-2 Small Earcones to your kit today for dependable in-ear performance in professional monitoring and comms setups.
Features
- Discreet, comfortable in-ear fit for extended wear — ideal for security and surveillance teams
- Designed for clear audio transfer with Telex Telethin drivers when used with ET-4 eartube
- Small size molds securely inside the ear canal to reduce background noise and improve intelligibility
- Packaged in a 5‑pack for easy replacement and deployment across multiple staff or shifts
- Lightweight, low-profile design supports covert monitoring, event comms and professional installations
| General Information | |
|---|---|
| Brand Name | RTS |
| Manufacturer | The Bosch Group |
| Product Name | Earcones for ET4, Small Size |
| Product Type | Ear Bud |
| Product Series | BT |
| Packaged Quantity | 5 |
| Manufacturer Part Number | BT-2 |
| Miscellaneous | |
| Compatibility | Bosch ET4 Earmold |
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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-2
- Manufacturer part:
- BT-2
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-2 Small Earcones
BT-2