0 male I power the speaker via a 5V DC adapter. Right off the batt I noticed my mic technique and strumming/picking technique improved. koston 1's There is a flaw though and it’s a fatal one, the bars are thin and the foam grip is nowhere near adequate to make it comfortable on your hands. The rack is very well made, I looked at a lot before buying this one and the quality and function is great and would now definitively recommend you can by their product with confidence. koston 1's They sent me a new pair, no questions asked, for the trouble. koston 1's and the finish on the leather upper is pretty heavy duty too. There are better, but definitely MUCH worse choices out there for listening to spoken word media. Also, my rims have had tires replaced at different shops over the years, and the valve stems are not a matched set. koston 1's I wear a 10-10 1/2 so when this said 10-11 I thought it would be perfect. It was just annoying.
koston 1's