Movie of cat relaxing relaxing subwoofer as a massage chair

A movie of a cat relaxing on the subwoofer, whether the vibration produced by the subwoofer specializing in bass reproduction is comfortable.

It is a vibration that the entire body bounces, but is it like a massage chair as a cat?

Details are as below.
A cat relaxing on the subwoofer.
YouTube - Katze auf Subwoofer


Subwoofer will not move vibration at all for the first time.


Even with the vibration enough to make the whole body jump up.


It was like turning his head and relaxing.


This cat does not try to move from the top of the subwoofer. Is it comfortable even if there is no enough vibration that the body bounces?
YouTube - cat and subwoofer