Also, For the mics for the hearing aids I can just buy this
http://www.amazon.com/Super-Ear-Amplifier-Kit-MK-136/dp/B0006HJSLE/ref=sr_1_2?s=electronics&ie=UTF8&qid=1419393726&sr=1-2&keywords=velleman+kit
And remove the mics and hook them to what, 24 gauge wires for placment of where ever, yes?