{"product_id":"acme-535-silent-dog-whistle","title":"ACME 535 Silent Dog Whistle | Adjustable Frequency | Made in the UK","description":"\u003cp\u003eThe ACME 535 is the original silent dog whistle — precision-engineered in nickel-plated brass in Birmingham, England, by ACME Whistles, the company that has been making the world's finest whistles since 1884. Inaudible to the human ear, the 535 emits an ultrasonic frequency that dogs hear clearly at distance. The adjustable frequency screw allows you to fine-tune the pitch to your dog's response, and the protective end cap keeps the mouthpiece clean between sessions.\u003c\/p\u003e\u003cp\u003eFor handlers who want to work their dog discreetly — without alerting game, disturbing other handlers, or drawing attention on a peg line — the silent whistle is an essential tool. One verified buyer called it an \u003cem\u003e“Excellent training tool.”\u003c\/em\u003e We agree.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSilent to human ears — ultrasonic frequency audible to dogs\u003c\/li\u003e\n\u003cli\u003eAdjustable frequency screw — fine-tune to your dog's response\u003c\/li\u003e\n\u003cli\u003eNickel-plated brass — durable, all-weather construction\u003c\/li\u003e\n\u003cli\u003eProtective end cap — keeps mouthpiece clean between sessions\u003c\/li\u003e\n\u003cli\u003eDiscreet working — no audible signal to game or other handlers\u003c\/li\u003e\n\u003cli\u003eMade in Birmingham, England by ACME Whistles, est. 1884\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eACME No. 535\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNickel-plated brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003eAdjustable (ultrasonic — inaudible to humans)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003eAdjustable frequency screw, protective end cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in Birmingham, England\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstablished\u003c\/td\u003e\n\u003ctd\u003e1884\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Acme","offers":[{"title":"Default Title","offer_id":55111330529653,"sku":"","price":28.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/1614\/8271\/files\/https___www.sportingsaint.co.uk_app_uploads_2024_06_535_silver_plated_1_orig-scaled.webp?v=1785354704","url":"https:\/\/gundog-catalogue.co.uk\/products\/acme-535-silent-dog-whistle","provider":"The Gundog Catalogue","version":"1.0","type":"link"}