Voice Changing Hardware

Depending of what you are using voice changing for, there are several options to choose from.  You have voice changing hardware, software, and services to choose from.  As well, there are several varieties of each type. 

For the hardware versions, there are a number of voice changers to choose from.  You might decide to purchase a hardware style voice changer if you plan on using it more than once or giving it as a gift.  Voice changing hardware can also be found at an inexpensive price.

You can try finding hardware-style voice changers at the following links:

Voice Changers on Amazon (a large variety to choose from)
Voice Changers on Ebay
Voice Changing Helmuts
Portable Voice Changers