{"product_id":"monolith-by-monoprice-m-iwsub8-8-in-wall-subwoofer-p-n-42831-open-box","title":"Monolith by Monoprice M-IWSUB8 8\" In-Wall Subwoofer P\/N 42831 Open Box","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eRetail price (new): $599.99\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eOpen-box Monolith by Monoprice M-IWSUB8 8\" passive in-wall subwoofer, P\/N 42831.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eShown in original foam with the installation guide \/ mounting template resting on top. Open-box warehouse unit — not installed. Photos include Monoprice stock images plus our open-box warehouse photo.\u003c\/p\u003e\n\u003cp\u003eOVERVIEWAdds powerful bass to an in-wall \/ in-ceiling home theater without floor space. Passive design — requires a suitable subwoofer amplifier (not a typical AVR speaker-level output alone). High-excursion 8\" polypropylene cone with rubber surround. Magnetic white paintable grille. Heavy-duty mounting tabs for standard 16\" wood stud walls. Spring-loaded binding posts.\u003c\/p\u003e\n\u003cp\u003eKEY SPECS (manufacturer \/ published)• Driver: 1× 8\" polypropylene cone, rubber surround• Frequency response: 36 – 200 Hz (±3 dB)• Sensitivity: 91 dB• Impedance: 4 ohms• Crossover: acoustic filter, 120 Hz @ 12 dB\/oct (can be disabled via jumper for use with external DSP\/crossover)• Inputs: spring-loaded binding posts• Grille: removable magnetic, white, paintable• Dimensions (with grille): approx. 11.9\" × 13.3\"• Dimensions (without grille): approx. 10.8\" × 12.2\"• Fits standard 16\" wood stud wall cavities\u003c\/p\u003e\n\u003cp\u003eCONDITIONOpen box. Packaging opened for inspection and photos. Appears unused \/ uninstalled with install sheet and foam present. Sold open box.\u003c\/p\u003e\n\u003cp\u003eNote: This is a single 8\" M-IWSUB8 (42831), not the dual-driver M-IWSUB82.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Open box — Open box. Packaging opened for inspection\/photos. Unit appears unused\/uninstalled. Photos include Monoprice stock images plus our open-box warehouse photo.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Monolith by Monoprice\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e M-IWSUB8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 42831\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Subwoofer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Wired\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Magnetic Grille, Paintable Grille, Easy Install\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver Size:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Rectangular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 4 Ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Monolith by Monoprice","offers":[{"title":"Default Title","offer_id":49267398508766,"sku":"EBAY-237098377170","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/2587\/9774\/files\/s-l1600_a0d7e8cc-e3c3-4445-ae36-d7e6905b3cd1.jpg?v=1792692670","url":"https:\/\/westsideliquidations.com\/products\/monolith-by-monoprice-m-iwsub8-8-in-wall-subwoofer-p-n-42831-open-box","provider":"Westside Liquidations","version":"1.0","type":"link"}