FYI, I have this tc-helicon VoiceWorksPlus and there are 2 things to be concerned about if using it live, which only trial and error will show.
Nothing in the manual shows these 2 things, but my email reply from tc-helicon confirmed that this is really best suited for studio use, which is only how I'm able to use it now.
They do have other ones they recommend for live use instead.
The 2 issues are:1. The Bypass light is so 'effen' small and dim that you can only see it in the dark.
So if in daylight, or in a well-lit church, you'll struggle greatly to see this teeny tiny poorly designed little red led. Bit of a shame, since the bypass button is self is plenty large enough.
2. When the bypass mode is activated, (harmonies off, which would be most of the time), the harmonies signal doesn't mute, but instead goes to the same stereo out as the main voice.
What that means is that for some strange reason, the main vocal gets doubled, with no other options to eliminate it - not ideal, especially for intimate songs or quiet song parts.
Voice doubling, [at least for me], is only really desired in a mid to up tempo pop song to fatten it up a bit through the chorus and maybe the last go-round as well.
But any & every time the harmonies are not engaged - no thanks.
That's a little too much for me.
There is only one stereo pair LR out put - not 2 separate ones for the main & harmonies.
So I told the guy at the other end of the email, "We'll thanks for your prompt reply & for confirming these things, but I wish I knew that $700 ago, because now that makes it only worth $350, since I can only use it 1 of the 2 ways I had planned".
Just a heads up, in case you're thinking of buying.
A few design flaws there - for live use, anyway. Otherwise a fine unit.