{"product_id":"black-speaker-polarity-tester-ph-phase-meter-phasemeter-without-cd-for-car","title":"Black Speaker Polarity Tester PH Phase Meter Phasemeter without CD for Car","description":"Perfect for safely troubleshooting and testing audio systems.\u003cbr\u003eThis phase meter can test all speakers of all car, such as small treble, door speakers, subwoofer, etc.\u003cbr\u003e3 green light flash and 1 red light indicates that the speaker output is in positive phase (correct connection) ; 3 red light flash and 1 green light indicates negative phase (reversed connection).\u003cbr\u003elow battery light on indicates that the battery power is low.\u003cbr\u003eNote: Battery is not included in our package.","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":67640298307695,"sku":"AT-NZ5IV6WDR","price":16.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/3329\/8031\/files\/black-speaker-polarity-tester-ph-phase-meter-01.jpg?v=1792534779","url":"https:\/\/autotorra.com\/products\/black-speaker-polarity-tester-ph-phase-meter-phasemeter-without-cd-for-car","provider":"Autotorra","version":"1.0","type":"link"}