Combining AFD technology with a convertible design makes this the most versatile of our Cardiology scopes. The Adscope® 601 series features: Convertible chestpiece provides adult diaphragm/bell or adult/pediatric diaphragm configurations ADC’s AFD Technology provides enhanced acoustic response in both adult and pediatric diaphragm Light pressure for low bell-type frequency, firm pressure for diaphragm type high frequency Chestpiece precisely CNC machined to exacting tolerances from surgical stainless steel for outstanding performance and rugged durability Extra deep bell for unsurpassed low frequency response Ultra-sensitive multifrequency gasketed diaphragms for greater amplification and frequency response Non-chill bell and diaphragm retaining rims for patient comfort Cardiology headset with large bore stainless steel binaurals are fixed at 15° angle to maximize comfort and acoustic seal (Tactical model with aluminum binaurals) Bi-lumen (dual bore) 19" PVC tubing stays soft and flexible Adsoft™ threaded PVC eartips for the ultimate in wearing comfort and acoustic seal Tactical model uses black anodized aluminum aural tubes Includes accessory kit with bell chestpiece, extra Adsoft™ and standard eartips Scope ID Tag included Weighs 7.57 oz. (adult bell) and 8.57 oz. (pediatric diaphragm) Overall length 28" Assembled, inspected and packaged in the USA Lifetime Warranty covers all parts