AFD technology and light weight make this a practitioner favorite.

The Adscope^® 612 series features:

ADC’s AFD technology provides the acoustic response of a traditional bell and diaphragm in a convenient one-sided chestpiece
Light pressure for low, bell-type frequency, firm pressure for high, diaphragm-type frequency
Sculpted chestpiece machined from lightweight zinc alloy plated with an attractive satin finish
Non-chill diaphragm retaining rim for patient comfort
Clinician headset boasts reinforcing yoke molded into the flexible 22" PVC tubing
Tubing is soft and flexible and has been made without phthalates since 2014
Lightweight stainless binaurals in matching satin finish
Adsoft^™ Plus silicone eartips with new snap-on connection for the ultimate in wearing comfort and acoustic seal
Accessory kit with two pairs of spare Adsoft^™ Plus eartips
Scope ID tag included
Weighs 4.9 oz (139 g)
Overall length 30.5"
Assembled, inspected, and packaged in the USA
Lifetime warranty covers all parts

Adscope® 612 Platinum Clinician Stethoscope