How much does this cost to the nearest dollar?

Monolith M-10 V2 10in THX Certified Select 500 Watt Powered Subwoofer, Massive Output, Low Distortion, Vented HDF Cabinet Black
The Monolith THX certified subwoofer sets the standard for bass output, low distortion, and affordability. With chest thumping bass that plays down to well under 20Hz, the Monolith subwoofer unleashes cinema level volume, with the ability to convey and articulate the subtle nuances of music. The Monolith subwoofer cabinets have been redesigned for a sleeker look, rounded edges, and an inset subwoofer for a better aesthetic appearance. THX Certified Select THX engineers completed hundreds of different scientific tests to ensure the highest audio performance possible. The tests ensure the speaker can reach the high volumes necessary

Price is $650.00
Price: $649.99