{"product_id":"sr09b-4-inch-active-bookshelf-speakers","title":"SR09B 4-Inch Active Bookshelf Speakers","description":"\u003cp\u003eA compact 2.0 active speaker pair designed for desks, bedrooms, and smaller listening spaces. Connect directly by Bluetooth 5.0, USB, or line input—no separate amplifier required.\u003c\/p\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e50W system power with two 4-inch woofers and dedicated tweeters\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.0, USB, and 3.5 mm line input\u003c\/li\u003e\n\u003cli\u003eMusic, Movie, and Dialogue listening modes\u003c\/li\u003e\n\u003cli\u003eFront-panel volume, bass, and treble controls\u003c\/li\u003e\n\u003cli\u003eSubwoofer output for easy low-frequency expansion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSystem: 2.0 active bookshelf speaker pair\u003c\/li\u003e\n\u003cli\u003eOutput power: 50W\u003c\/li\u003e\n\u003cli\u003eFrequency response: 45 Hz–20 kHz\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: ≥80 dB\u003c\/li\u003e\n\u003cli\u003eTotal harmonic distortion: \u0026lt;1%\u003c\/li\u003e\n\u003cli\u003eWoofer: 4-inch, 6Ω, 15W × 2\u003c\/li\u003e\n\u003cli\u003eTweeter: 6Ω, 10W × 2\u003c\/li\u003e\n\u003cli\u003eInputs: Bluetooth, line in, USB\u003c\/li\u003e\n\u003cli\u003ePower: 21V \/ 1.5A adapter; AC 100–240V input\u003c\/li\u003e\n\u003cli\u003eDimensions: 140 × 176 × 230 mm per speaker\u003c\/li\u003e\n\u003cli\u003eCabinet: MDF with ABS components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIn the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSR09B active speaker pair\u003c\/li\u003e\n\u003cli\u003ePower adapter\u003c\/li\u003e\n\u003cli\u003e3.5 mm-to-RCA audio cable\u003c\/li\u003e\n\u003cli\u003eSpeaker interconnect cable\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HD Audio","offers":[{"title":"Default Title","offer_id":48213832073406,"sku":"SR09B","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/8879\/1742\/files\/sr09b-angle-front.jpg?v=1785226791","url":"https:\/\/ardensound.com\/products\/sr09b-4-inch-active-bookshelf-speakers","provider":"Arden Audio","version":"1.0","type":"link"}