BLAUPUNKT 10 in. Slim Line Subwoofer GTX100S - The Home Depot
Polk Audio Signa S4 Ultra-Slim TV Sound Bar with Wireless Subwoofer, Dolby Atmos 3D Surround Sound, Works with 8K, 4K & HD TVs Black Signa S4 - Best Buy
Saiyin Sound bar, Sound Bars for TV with Subwoofer, Soundbar Ultra Slim 24 Inch, 2.1 Channel TV Speakers Surround Sound System Optical//COXIAL/Bluetooth/AUX, Wall Mountable - Newegg.com