{"product_id":"d-and-b-audiotechnik-b4-subwoofer","title":"d\u0026b audiotechnik B4 Subwoofer","description":"\u003cp\u003eA cardioid subwoofer with a front-facing 15 in bass-reflex driver and a rear-facing 12 in bandpass driver, which reduces low-frequency energy behind the system. It is driven by one d\u0026amp;b amplifier channel (two cabinets per channel) and can only be ground stacked.\u003c\/p\u003e","brand":"d\u0026b audiotechnik","offers":[{"title":"Default Title","offer_id":68102164218093,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/3943\/6269\/files\/B4Sub_rightback.png?v=1743715812","url":"https:\/\/usedgear.com\/products\/d-and-b-audiotechnik-b4-subwoofer","provider":"Used Gear","version":"1.0","type":"link"}