{"product_id":"xduoo-mt-603-12au7-tube-multiple-pre-amp-4-audio-input-one-audio-output-amplifier","title":"12AU7 Tube Pre-Amp Amplifier B712404","description":"Multiple audio inputs, switch different audio sources at any time.With 4 audio input ports, which inputs can be selected through the switch, and different audio inputs can be switched at any time to experience different fun.The sound is processed by the 12AU7 tube, make the sound sweet and soft.Gold-plated RCA port ;Aluminum alloy shell sandblasted texture panel .\u003cp\u003eParameters: Power Supply: DC12V\/2A Frequency Response: 10HZ 40KHZ(士0.5DB) THD+N:≤0.01% S\/N:100DB, Gain: 0DB Size: 12X7.8X4cm Weight: 0.36KG \u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47123256803527,"sku":"P353532491174385436","price":24.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/3349\/6775\/files\/eaf93f54a0dba13a5a7a1199257ffbcd523e977903a5eeeb0d84531ba81aa399.jpg?v=1788917569","url":"https:\/\/zhishihuojimian.shop\/products\/xduoo-mt-603-12au7-tube-multiple-pre-amp-4-audio-input-one-audio-output-amplifier","provider":"My Store","version":"1.0","type":"link"}