This is possibly the coolest music video ever made!
The outgoing Commander of the ISS singing "Space Oddity". In space.
(to price list)
This is an appropriate replacement for the 6.5" woofer used in the Genesis Physics loudspeaker models:
Its internal reference number (on the sticker, if it has one) is C17WG-29-08 or SW620PP.
It is not necessary to return the old part when replacing this part.