P punkrocker Junior Member 1 0 South East, USA Mar 8, 2018 #2 Be careful what you buy I've seen reviews of the cheap ones (Haven't actually seen a budget friendly one) and they only see a 40hz sine wave or something truly ridiculous of that manner.
Be careful what you buy I've seen reviews of the cheap ones (Haven't actually seen a budget friendly one) and they only see a 40hz sine wave or something truly ridiculous of that manner.