Ends 12/7. Amazon has the Artlii Portable LCD Projector for $140 - $42 off with coupon 30artliih3of = $98 with free shipping. Features 1280x720 native resolution, 2,800 lumen output, two HDMI, USB, VGA.
Has excellent Amazon Reviews.
Amazon has the Polk Audio HTS 10 10" 200W Home Theater (Black Walnut, HTS SUB 10 BLK WAL) for $225 with free shipping. List price: $350. It features a powerful 200W optimized class D amplifier. Has excellent Amazon Reviews.
eBay has the Rockville 5.1 Bluetooth Home Theater System (HTS56) for $150 with free shipping. List price: $289. It features a subwoofer with built-in receiver, a remote control, and five speakers.
eBay has the JBL Link 10 Smart Waterproof Wireless Bluetooth Speaker for $50 with free shipping. Features a microphone with Google Assistant.