{"title":"Test Interface\/Sound Cards","description":"\u003cspan style=\"font-size: 0.875rem;\"\u003eEcho test systems work like standard soundcards and are compatible with most audio test software.\u003c\/span\u003e\u003cbr\u003e","products":[{"product_id":"echo-aio-a1-audio-interface","title":"Echo AIO-A1 Audio Interface","description":"The Echo AIO-A1 is a multichannel acoustic interface built for production-line testing and QA\/QC verification. 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Two of the amplifier outputs include a 0.1 ohm sense resistor to facilitate 2 channel impedance measurements. Four additional line inputs are dedicated to voltage monitoring (VMON) and current monitoring (IMON)\nfor each impedance measurement output.","brand":"Echo","offers":[{"title":"Default Title","offer_id":50167186653457,"sku":"AIO-S2","price":0.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/6109\/1857\/files\/AIO-S2-2048x1024600x600.png?v=1777371518"},{"product_id":"echo-aio-s1-audio-interface","title":"Echo AIO-S1 Audio Interface","description":"The Echo AIO-S1 is a 2-channel acoustic interface designed for production-line testing and QA\/QC verification. Combining two 10W amplifier outputs and two mic\/line analog inputs in a single unit, the AIO-S1 is an integrated, cost-effective, and reliable high-throughput audio test solution. One of the amplifier outputs includes a 0.1 ohm sense resistor to facilitate impedance measurements. Two additional line inputs are dedicated to voltage monitoring (VMON) and current monitoring (IMON) for impedance measurements.","brand":"Echo","offers":[{"title":"Default Title","offer_id":50167186817297,"sku":"AIO-S1","price":0.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0881\/6109\/1857\/files\/AIO-S1-2048x1024600x600.png?v=1777371517"},{"product_id":"echo-aio-at-audio-interface","title":"Echo AIO-AT Audio Interface","description":"The Echo AIO-AT is a combination acoustic and digital test interface built for production-line testing and QA\/QC verification. 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