Sure 6.5 inch subwoofers do exist, the trouble is in finding one that can actually output sound between 20-80hz.

New Products McIntosh’s PS2K Powered Subwoofer is a Tower of Power: CEDIA 2023 458 lbs subwoofer standing over 6.5 feet tall contains four 13-inch woofers powered by 2,000 watts at a price you won’t ...

JBL Professional Debuts the JBL VTX A6 Line Array Element and B15 Compact, Arrayable Subwoofer 1st August 2022 New Gear, News HARMAN Professional Solutions’ newest members of JBL Professional’s ...

boAt launches Aavante Prime 5.1 5000DA with 500W RMS, Dolby Atmos, and full surround sound for ₹14,999 in India.