Thinklabs ds32a sets a new standard for stethoscope audio quality with crystal-clear heart and lung sounds. Designed for all clinicians, the ds32a wins acclaim from Primary Care to Critical Care to Pediatrics, Cardiologists to General Practitioners. User-friendly features include 50X Amplification, Adjustable Volume, Bell & Diaphragm, hypoallergenic soft silicone eartips for unprecedented comfort. Runs on long-lasting AAA batteries. Available now for under $200. (List $395).