
BT-2, BT-3, BT-4
Earcones
The Telex BT series earcones work with any Telex Telethin driver that is connected to the Telex ET-4
eartube. They t comfortably inside the ear canal and allow audio to pass through from the driver cleanly
and clearly. If using the Telex ET-2 or Telex ET-3 eartubes, use the Telex EM series earmolds.
Features
BT-2
A small earcone for use with ET-4. Comes in a bag of ve.
BT-3
A medium earcone for use with ET-4. Comes in a bag of ve.
BT-4
A large earcone for use with ET-4. Comes in a bag of ve.

Earcones Specications
The Telex BT series earcones work with any Telex Telethin driver that is connected to the Telex
ET-4 eartube. They t comfortably inside the ear canal and allow audio to pass through from the
driver cleanly and clearly. If using the Telex ET-2 or Telex ET-3 eartubes, use the Telex EM series
earmolds.
The BT-2 is a small earcone for use with ET-4. Comes in a bag of ve.•
The BT-3 is a medium earcone for use with ET-4. Comes in a bag of ve.•
The BT-4 is a large earcone for use with ET-4. Comes in a bag of ve.•
Contact Information
Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, Minnesota 55337
Telephone: 877·863·4169
Fax: (800) 323-0498
Form Number: LIT000196000 Rev A
Date: December, 2007
Ordering Information
BT-2
Small Earcones for Use with ET-4 (Bag of Five)
Catalog Number: 35629012
BT-3
Medium Earcones for Use with ET-4 (Bag of Five)
Catalog Number: 35629013
BT-4
Large Earcones for Use with ET-4 (Bag of Five)
Catalog Number: 35629014
This specications information is preliminary and is subject to change without notication.
Brand names mentioned are the property of their respective companies.