{"product_id":"bose-portable-speaker-bass-upgrade-kit-bluetooth-powered-subwoofer-system","title":"Bose Portable Speaker Bass Upgrade Kit – Bluetooth Powered Subwoofer System","description":"\u003cdiv style=\"font-size:16px;line-height:1.6;\"\u003e\n\u003cp\u003e\u003cstrong\u003eCondition: A Grade - No dents or dings, and only minimal scratching. \"A Grade\" will be your best condition pre-\u003c\/strong\u003e — A Grade - No dents or dings, and only minimal scratching. \"A Grade\" will be your best condition pre-owned speaker.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition: * B Grade - Minor dents, dings, scratches. \"B Grade\" will be your average condition pre-owned speake\u003c\/strong\u003e — * B Grade - Minor dents, dings, scratches. \"B Grade\" will be your average condition pre-owned speaker.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition: C Grade - Heavier than normal dents, dings, scratches, and\/or white LCD spots. \"C Grade\" will show h\u003c\/strong\u003e — C Grade - Heavier than normal dents, dings, scratches, and\/or white LCD spots. \"C Grade\" will show heavier usage than your\u003c\/p\u003e\n\u003ch3 style=\"font-size:20px;line-height:1.3;\"\u003eBose Portable Speaker Bass Upgrade Kit – Bluetooth Powered Subwoofer System \u003c\/h3\u003e\n\u003ch3 style=\"font-size:20px;line-height:1.3;\"\u003eAdd Deep Bass to Your Portable Speaker Setup\u003c\/h3\u003e\n\u003cp\u003eMost portable speakers sound clear — but lack real deep bass.\u003cbr\u003eThis Bose Bass Upgrade Kit is the ideal solution to transform small portable speakers into a fuller, more powerful sound system with rich low-frequency performance.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 style=\"font-size:20px;line-height:1.3;\"\u003ePackage Includes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBose CineMate Series II Passive Subwoofer\u003c\/li\u003e\n\u003cli\u003eDigital Power Amplifier\u003c\/li\u003e\n\u003cli\u003eUSAV Bluetooth Adapter\u003c\/li\u003e\n\u003cli\u003e3.5mm Stereo Jack Splitter Cable Adapter Connectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font-size:20px;line-height:1.3;\"\u003eFeatures:\u003c\/h3\u003e\n\u003cp\u003e✅ Adds powerful Bose deep bass to portable speakers\u003cbr\u003e✅ Ideal for Bluetooth speakers, mini speakers, garage systems, desktop audio, and DIY sound projects\u003cbr\u003e✅ Wireless Bluetooth music streaming\u003cbr\u003e✅ Compact yet powerful bass enhancement solution\u003cbr\u003e✅ Plug-and-play setup\u003cbr\u003e✅ Great for music, movies, gaming, and parties\u003c\/p\u003e\n\u003ch3 style=\"font-size:20px;line-height:1.3;\"\u003eCondition:\u003c\/h3\u003e\n\u003cp\u003eSeller Refurbished — professionally tested and cleaned by USAV Solutions.\u003cbr\u003eMay show light cosmetic wear such as scratches, scuffs, or dust from previous use.\u003c\/p\u003e\n\u003ch3 style=\"font-size:20px;line-height:1.3;\"\u003eItem Specifics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Bose (Modified)\u003c\/li\u003e\n\u003cli\u003eModel: CineMate Series II Acoustimass Module (Converted to Passive)\u003c\/li\u003e\n\u003cli\u003eType: Passive Subwoofer\u003c\/li\u003e\n\u003cli\u003eConnectivity: RCA Connectors\u003c\/li\u003e\n\u003cli\u003eRMS Power: 50 W\u003c\/li\u003e\n\u003cli\u003eImpedance: 4 Ohms\u003c\/li\u003e\n\u003cli\u003eColor: Charcoal Gray\u003c\/li\u003e\n\u003cli\u003eCondition: Seller refurbished\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bose","offers":[{"title":"Used - Grade A","offer_id":54060764823915,"sku":"09888","price":136.0,"currency_code":"USD","in_stock":true},{"title":"Used - Grade B","offer_id":54060766331243,"sku":null,"price":118.0,"currency_code":"USD","in_stock":true},{"title":"Used - Grade C","offer_id":54060766364011,"sku":null,"price":108.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/2440\/6123\/files\/5779009016.png?v=1791914749","url":"https:\/\/usavsolutions.com\/products\/bose-portable-speaker-bass-upgrade-kit-bluetooth-powered-subwoofer-system","provider":"USAV Solutions","version":"1.0","type":"link"}