{"product_id":"er4-sr-studio-reference-earphones","title":"ER4 SR — Etymotic","description":"\u003cp\u003eOver 30 years ago, Etymotic invented noise-isolating, in-ear earphones. Etymotic's original design, developed for auditory research and hearing testing, used balanced – armature receivers and established these speakers as the gold standard for high-definition, in-ear earphones. ER4 earphones were the first high-fidelity, noise isolating in-ear earphones to use this technology in a consumer earphone, and are recognized as the world leader for response accuracy to which all other earphones are compared.\u003c\/p\u003e","brand":"Etymotic","offers":[{"title":"Default Title","offer_id":53472398541118,"sku":"00214953","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/1396\/9982\/files\/00214953.jpg?v=1778652028","url":"https:\/\/themusiciansclub.net\/products\/er4-sr-studio-reference-earphones","provider":"The Musicians Club","version":"1.0","type":"link"}