John i have the 10 inch version with a small 60 watt amp setup i bought about 8 years ago, and i have used them inside and outside and they always did a decent job. I played an outside party once with 100 people and they sounded very solid. People commented on the overall sound being good. I am planning on buying a set of those 15s as well and turning the 10s into monitors.

You can not beat them for the price. I took my set over to a friends house the other day for his daugthers graduation party and we used them to play the dance music. No way was it a big club sound but the kids had a great time.

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