So I built an 18" sealed subwoofer. Build guide and bonus picture in album! More info in comments. : r/DIY
SHARKK Buddy Surround Sound Bluetooth Speaker Set - Sam's Club
DeVille Loudspeaker - Fleetwood Sound Company by OMA
Amazon.com: BISSELL® air280 Smart Purifier with HEPA and Carbon Filters for Large Room and Home, Quiet Bedroom Air Cleaner for Allergens, Pets, Dust, Dander, Pollen, Smoke, Odors, Auto Mode, 2904A : Home
8 in. 800-Watt Car Audio Subwoofer Sub Power Woofer DVC 4 Ohm in Black PLPW8D - The Home Depot
Coway's popular air purifiers are currently on sale on Amazon
12" SUBWOOFER CONE B&C Strongest Available! Competition 5.5 Ounce Will NOT fold Large voice Coil | Reverb
Shark AI VACMOP Cordless Robot Vacuum & Mop Bagless Black RV2001WD, 1 - Kroger
Jamo J1069429 S 801PM Powered Bluetooth Bookshelf Speaker Pair Black- Certified Refurbished - Deal Parade
Amazon.com: Filter-Monster - Replacement HEPA Filter Kit with Pre-Filters - Compatible with Austin Air Healthmate FR400 Air Purifier Filter and Austin Air Models HM400, HM402, HM405, HM410, and HM450 : Home &
SOUNDPRO Portable Massive Power 15 in. Bluetooth Party Speaker with Disco Lights Includes Microphone NDS-1517 - The Home Depot
6moons audio reviews: Ascendo System F
BreatheSmart FIT50 Air Purifier with Odor, True HEPA filter, for Allergens, Pet, Diaper and other Unwanted Odors - 900 SqFt - Walmart.com
Whirlpool 1183054KC HEPA Combo Filter for sale online | eBay
Shark | AS
RCA RT2781HB Bluetooth Home Theater System | Reverb