{"product_id":"b4-bookshelf-speakers","title":"B4 Bookshelf Speakers","description":"\u003cp\u003eThe B4 is a substantial standmount speaker built around speed, low-frequency control and a broad stereo image rather than sheer cabinet size.\u003c\/p\u003e\u003cp\u003eA rigid 165 mm composite-cone driver handles bass and midrange, supported by a low-loss crossover and a shallow waveguide around the tweeter. The cabinet uses internal bracing to reduce panel resonance, helping the B4 stay composed at higher listening levels.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2-way passive design\u003c\/li\u003e\n\u003cli\u003e165 mm composite mid\/bass driver\u003c\/li\u003e\n\u003cli\u003e28 mm fabric-dome tweeter\u003c\/li\u003e\n\u003cli\u003eFrequency response: 39 Hz–24 kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 89 dB\u003c\/li\u003e\n\u003cli\u003eNominal impedance: 6 ohms\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 50–180 W\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fred.Audio","offers":[{"title":"Walnut","offer_id":58891123458380,"sku":"FA-B4-1","price":799.0,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":58891123491148,"sku":"FA-B4-2","price":799.0,"currency_code":"GBP","in_stock":true},{"title":"White","offer_id":58891123523916,"sku":"FA-B4-3","price":799.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1094\/3519\/1628\/files\/fred-audio-b4-bookshelf-approved-v4.png?v=1790061839","url":"https:\/\/fred.audio\/products\/b4-bookshelf-speakers","provider":"Fred.Audio","version":"1.0","type":"link"}