Zinc alloy single-sided chestpiece with dual frequency diaphragm. specially designed membrane lock, wihtin the chestpiece, alters the diaphragm to achieve dual frequency. hold the chestpiece to achieve low frequency response and apply firm pressure to achieve high frequency diaphragm response. comfortable, non chilling ring, lightweight, steel binaurals with internal spring. 22 inch latex y-tubing with deluxe eartips.
Product Features
- Dual frequency
- Zinc alloy single-sided chestpiece
- Comfortable, non chill ring
- Dual frequency diaphragm
- Product Dimensions: 1 x 12 x 5 inches
- ASIN: B000SDQKMG
- Item model number: 430
- List Price: $19.99