Suggestions for 4 channel (?) bass shaker & eEffect of motion rigs

Add DIY Bass Shakers To Your Sim Rig!!!

🔊BASS SHAKER🔊 GEAR EFFECT FOR SIM RACING, with SimHub!

Transform Your Sim Racing Experience: Mount Bass Shakers to a Bucket Seat

Dayton Audio TT25-16 Puck Tactile Transducer Mini Bass Shaker 16 Ohm : Musical Instruments

Best feedback from Bass Shakers? - Sim Racing Rigs / Cockpit - InsideSimRacing Forums

Simhub - bass shakers Wheelslip

Bass shaker setup : r/iRacing

Bass Shakers (Part 2): Motion Platforms Are Bass Shakers on Steroids

Mr Latte - Question?, Page 10