{"product_id":"mercer-and-barker-gw4-euphonium-mouthpiece-2","title":"Mercer and Barker GW4 Euphonium Mouthpiece","description":"\u003cp\u003e\u003cspan\u003eUsed Mercer \u0026amp; Barker GW4 Euphonium Mouthpiece – Excellent Condition!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUp for sale is a world-class, premium \u003c\/span\u003e\u003cspan\u003eMercer \u0026amp; Barker GW4 Euphonium Mouthpiece\u003c\/span\u003e\u003cspan\u003e (Large Shank). Meticulously engineered with British precision, Mercer \u0026amp; Barker mouthpieces have skyrocketed in popularity to become a dominant choice among elite soloists, brass banders, and wind ensemble players worldwide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you want an identical-to-new playing experience on an incredibly popular mouthpiece without paying full retail or high international shipping fees, this listing is the perfect opportunity!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhy the Mercer \u0026amp; Barker GW4 is Incredibly Popular\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe GW4 is Mercer \u0026amp; Barker's signature flagship euphonium design, specifically optimized for players who want a massive, rich core sound without fighting their instrument's natural intonation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eMassive, Centered Core Tone:\u003c\/span\u003e\u003cspan\u003e The GW4 effortlessly produces a dense, full-bodied, and velvety sound. It adds an immediate layer of depth to your horn that fills out any section or solo stage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eLaser-Accurate Intonation:\u003c\/span\u003e\u003cspan\u003e Engineered to iron out typical pitch tendencies, helping your euphonium lock into center slots effortlessly across all registers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eExceptional Response \u0026amp; Clarity:\u003c\/span\u003e\u003cspan\u003e Despite its rich, dark tone, it maintains crisp, clean articulation and immediate response, letting fast solo passages speak cleanly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eUnmatched Rim Comfort:\u003c\/span\u003e\u003cspan\u003e The meticulously shaped 6.70 mm rim distributes pressure perfectly, dramatically reducing lip fatigue and maximizing playing endurance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe Perfect Upgrade Size:\u003c\/span\u003e\u003cspan\u003e Positioned as an elite, premium performance upgrade for players who love standard \"4-size\" profiles like the Denis Wick SM4 \/ 4AL, Alliance DC3, or Bach 4G.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eShank:\u003c\/span\u003e\u003cspan\u003e Large Shank\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eCup Diameter:\u003c\/span\u003e\u003cspan\u003e 26.00 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eRim Width:\u003c\/span\u003e\u003cspan\u003e 6.70 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThroat\/Bore:\u003c\/span\u003e\u003cspan\u003e 7.38 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCondition Report\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis mouthpiece has been meticulously cared for and is in \u003c\/span\u003e\u003cspan\u003eExcellent Condition\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eRim \u0026amp; Cup:\u003c\/span\u003e\u003cspan\u003e In flawless, immaculate playing condition. The rim is perfectly smooth, guaranteeing maximum lip comfort and a completely uncompromised playing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eOverall Finish \u0026amp; Plating:\u003c\/span\u003e\u003cspan\u003e The silver plating is beautiful and retains a brilliant, high-gloss shine with only minimal, standard signs of handling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eShank:\u003c\/span\u003e\u003cspan\u003e Shows normal, light cosmetic insertion marks from being placed in an instrument receiver. This is strictly standard for any pre-owned piece of brass gear, entirely cosmetic, and has \u003c\/span\u003e\u003cspan\u003ezero\u003c\/span\u003e\u003cspan\u003e effect on the shank's roundness, air seal, or phenomenal acoustic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhy This Is an Absolute Steal\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1. \u003c\/span\u003e\u003cspan\u003eMassive Savings on a Popular Model:\u003c\/span\u003e\u003cspan\u003e Avoid the steep retail price and long lead times. This is your chance to snag one of the most sought-after euphonium mouthpieces on the market at a great discount.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2. \u003c\/span\u003e\u003cspan\u003eNo Structural Compromises:\u003c\/span\u003e\u003cspan\u003e Because the rim, cup, and throat are in pristine shape, this piece plays exactly like a brand-new model straight out of the box.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShipping \u0026amp; Listing Details\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePhotos:\u003c\/span\u003e\u003cspan\u003e Please view all high-resolution photos closely to inspect the exact condition of this item.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eShipping:\u003c\/span\u003e\u003cspan\u003e Wrapped securely in protective packaging and shipped promptly with tracking so you can get playing right away.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElevate your tone, endurance, and precision today with a premier 4-size euphonium mouthpiece! If you have any questions, feel free to send a message before purchasing.\u003c\/span\u003e\u003c\/p\u003e","brand":"Professor Mouthpiece","offers":[{"title":"Default Title","offer_id":41126230556721,"sku":"GW4-2-7-17-26","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0014\/6843\/2433\/files\/A96E6B20-934C-4DFA-8E3B-AE2470484D26.jpg?v=1784352299","url":"https:\/\/profmouthpiece.com\/products\/mercer-and-barker-gw4-euphonium-mouthpiece-2","provider":"Professor Mouthpiece","version":"1.0","type":"link"}