Introducing the Adscope 608 Convertible Clinician Stethoscope. ADC¿s latest addition to the Clinician Series line of stethoscopes is certain to become a practitioner favorite. Combining AFD technologym with a convertible design, the ADC Adscope608 provides adult diaphragm/bell or adult/pediatric diaphragm configurations. Extra-large bell (13/8" diameter) for unsurpassed low-frequency response. Ultra-sensitive diaphragm (13/4" diameter) for amplification and crisper high-frequency response. Adjustable Frequency Design (AFD) technology further enhances acoustic response: use light pressure for low frequencies, firm pressure for high frequencies. Non-chill bell and diaphragm retaining rims for patient comfort. Clinician headset boasts reinforcing yoke molded into flexible 22" PVC tubing and stainless steel binaurals fixed at 15º angle for greater comfort. Adsoft Plus silicone eartips for the ultimate in wearing comfort and acoustic seal. Lifetime warranty covers all parts.