- entrust(TM) Performance Dual-Head Scope - Black
- Lightweight combination diaphragm/bell chest piece for wide frequency response
- Proprietary diaphragm enhances acoustic response by 50% over traditional designs
- Non-chill bell ring and diaphragm rims
- Adjustable chrome-plated brass binaurals with PVC ear tips
- 22 inch PVC tubing
- Weighs 4 oz
- Overall length 31-1/2 inches
- 1-year Manufacturer Warranty