{"product_id":"tgsp","title":"TGSP - Tone Generator and Speaker Polarity Tester","description":"\u003cp\u003eThe Recoil TGSP is a dual-function tool that combines a variable tone generator with a 9V speaker polarity tester, giving installers everything needed to dial in and verify an audio system from a single device. With an output range of 0–8 volts across 13 to 10,000Hz, it covers the full spectrum of audio system diagnostics — from setting gain levels to confirming crossover points. Compact controls and auto shutoff make it practical for both shop use and mobile installs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVariable tone generator\u003c\/strong\u003e outputs 0–8V across a 13–10,000Hz frequency range for precise system calibration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e9V speaker popper\u003c\/strong\u003e provides a quick visual check of speaker connection polarity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable control knobs\u003c\/strong\u003e allow independent tone and level adjustments during testing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes RCA cables and alligator clips\u003c\/strong\u003e for flexible connection to amplifiers, head units, and speakers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto shutoff\u003c\/strong\u003e extends battery life during extended diagnostic sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuitable for\u003c\/strong\u003e setting system levels, checking crossover points, verifying connections, and general troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059644825878,"sku":"TGSP","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/TGSP.png?v=1772089507","url":"https:\/\/www.recoilaudiousa.com\/products\/tgsp","provider":"Recoil Audio USA","version":"1.0","type":"link"}