We often help customers select the right materials for their applications. Asking questions early saves them lots of money and time in their projects. We have helped customers select better materials for vibration transmission, like replacing steel with aluminum, or aluminum with wood, depending on what the customer is trying to achieve.
We also help with replacing those cheap Chinese transducers. Depending on the application, the TST239 can replace four of the best Chinese-made bass shakers. (This does not apply to kickers, which are simply shaking devices with no audio fidelity).