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Single Sprague Rappaport

A Sprague Rappaport Single-Tube with a dual-membrane, zinc alloy chestpiece where the larger membrane is sensitive for sound collecting and the smaller membrane may be used for children! Read below for more features!πŸ©ΊπŸ’™
πŸ’“ Chestpiece: Single dual-membrane chestpiece made of zinc alloy for excellent sound conduction and little acoustic attenuation
πŸ”Š Single PVC Tube: Well-sealed sound conduction channel that is resistant to ambient interference