Currently, the best bass shaker is the ButtKicker Advance. Wiki researchers have been writing reviews of the latest tactile transducers since 2018.
10 Best Bass Shakers 2019
Update on my bass shaker / transducer build. Experiences, troubleshoot, shopping list. : r/simracing
My spin on pedal and under-seat bass shaker mounts for ~$50. Details in comments : r/simracing
Dayton Audio TT25-8 Puck Tactile Transducer Mini Bass Shaker 8 Ohm : Musical Instruments
How to connect a bass shaker/transducerto a pc - Quora
Bass shakers are life changers : r/simracing
Bass shakers shoutout/small guide : r/hometheater
Dayton Audio BST-1 High Power Pro Tactile Bass Shaker 50 Watts RMS, 4 Ohms Impedance - Turn Any Surface into a Speaker System - Generates Subwoofer Lows : Electronics
Quick Overview Elevate your home theater and gaming systems to a whole new level with Dayton Audio's BST-2 bass shaker. The BST-2 tactile transducer allows you to feel ultra-low bass frequencies without requiring the extremely high SPL levels that are necessary when using just a subwoofer. Add Dayton Audio's BST-2 bass shaker to any sound system to truly feel what you have been missing.
Dayton Audio BST-2 Tactile Bass Shaker 35 Watt