{"product_id":"contec-sc21-dual-head-acoustic-stethoscope-diagnostic-cardiology-heart-lung-sound-new","title":"Portable Stethoscope SC21 Brass Double Sided Dual Head Tunable Diaphragm","description":"\u003cdiv\u003e\n\u003ch1\u003ePortable Stethoscope SC21 Brass Double Sided Dual Head Tunable Diaphragm\u003c\/h1\u003e\n\u003cp\u003eMeet a stethoscope designed for healthcare professionals who demand precision in every heartbeat. The SC21 combines a brass two-sided chest piece with a tunable diaphragm, delivering exceptional acoustic sensitivity across a spectrum of frequencies without the need to switch between parts.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBrass, double-sided chest piece with a tunable diaphragm for versatile auscultation\u003c\/li\u003e \u003cli\u003eListen to high-frequency sounds (children) with the diaphragm and low-frequency sounds (adults) with adjustable pressure—no need to swap sides\u003c\/li\u003e \u003cli\u003eTwo twin thick-walled tubes maximize sound transmission to each ear for clearer auscultation\u003c\/li\u003e \u003cli\u003eShaped ear tips deliver a comfortable, acoustically sealed fit for extended use\u003c\/li\u003e \u003cli\u003eIdeal for hospital wards, clinics, ambulances, home healthcare, and field rescue scenarios\u003c\/li\u003e \u003cli\u003eIncludes an instruction manual for quick setup and optimal technique\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy SC21 Stands Out\u003c\/h2\u003e\n\u003cp\u003eThe SC21 isn’t a generic instrument. Brass construction delivers durable longevity and a distinct, natural auditory profile that amplifies subtle heart and lung sounds. The two-sided design provides immediate access to both high and low-frequency ranges—simply apply light pressure for low frequencies or firmer contact for higher-frequency signals, perfect for pediatric and adult auscultation alike. Dual, independent tubes reduce cross-talk and preserve fidelity, while ergonomically shaped ear tips keep you comfortable and sealed in busy clinical environments.\u003c\/p\u003e \u003ch2\u003eTechnical Performance at a Glance\u003c\/h2\u003e\n\u003cp\u003eFrequency reference and damping characteristics inform practical use during auscultation:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e100 Hz to 500 Hz: chest piece ≤ 35 mm diameter, damping ≤ 30 dB; chest piece \u0026gt; 35 mm diameter, damping ≤ 16 dB\u003c\/li\u003e \u003cli\u003e500 Hz to 1000 Hz: chest piece ≤ 35 mm diameter, damping ≤ 25 dB; chest piece \u0026gt; 35 mm diameter, damping ≤ 20 dB\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eUse Cases and Ideal Audiences\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMedical rounds and patient exams in hospitals and clinics\u003c\/li\u003e \u003cli\u003eEmergency response and bedside assessment in ambulances\u003c\/li\u003e \u003cli\u003eHome healthcare visits and self-monitoring in chronic conditions\u003c\/li\u003e \u003cli\u003eOutdoor rescue, camping medical kits, and field training for students\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical Tips for Best Results\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eExperiment with light versus firm chest-piece pressure to optimize low- vs high-frequency hearing\u003c\/li\u003e \u003cli\u003eMaintain a clean, dry ear tips and chest piece to preserve acoustic clarity\u003c\/li\u003e \u003cli\u003eStore in a protective case to prevent cosmetic wear and keep tubes from kinking\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat You Get\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e1 x Portable Stethoscope SC21 with brass double-sided chest piece and tunable diaphragm\u003c\/li\u003e \u003cli\u003e1 x Instruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"CONTEC","offers":[{"title":"Black","offer_id":43761258299428,"sku":"3.07.006.04.001","price":42.12,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":43761258332196,"sku":"3.07.006.04.002","price":42.12,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":43761258364964,"sku":"3.07.006.04.003","price":42.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2281\/7497\/files\/SC21_-2.png?v=1772951441","url":"https:\/\/www.treselite.com\/products\/contec-sc21-dual-head-acoustic-stethoscope-diagnostic-cardiology-heart-lung-sound-new","provider":"Très Elite","version":"1.0","type":"link"}