Description

An economical Sprague with all of the features you’d expect from ADC.

The Proscope^™ 640BK features:

• Threaded chestpiece drum of chrome plated zinc permits the use of five interchangeable chestpiece fittings – an adult and pediatric diaphragm, and three bells (1 1/4″, 1″, 3/4″)
• Proprietary valve mechanism eliminates acoustic leakage
• Adjustable aluminum binaurals
• Complete with an accessory pouch containing the bell chestpieces, chestpiece key, 2 spare diaphragms, and one pair of silicone eartips
• Inspected and packaged in the U.S.A.
• Traditional 16″ double tube configuration
• Not made with natural rubber latex
• Weighs 7 oz.
• Overall length 24″