NAKAMICHI NBF25.0A 10" Full Aluminium Active underseat Subwoofer
Amazon.com: Nakamichi Shockwafe Pro 7.1.4 Channel 600W Dolby Atmos/DTS:X Soundbar with 8" Wireless Subwoofer, 2 Rear Surround Speakers. Get True 360° Cinema Surround with This Plug and Play Home Theater System :
Nakamichi NBF08A 8" subwoofer flat with passive radiator