Oh c'mon you don't need a circuit board for an audio probe.

[gordo]

Except I guess I do.  I've dealt with this noisy janky audio probe for ages now and I keep meaning to come up with something a little less dumb.  I did.  I got the sProbe.  If you have one you're happy with you're using then you don't need this.  Everyone else, please put in an order.

[Bio77]

Oh dang, I totally missed that.  I do want one of those