Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Ok Cap

I've had this cap for almost 3 years and it still does it job at med volume. I got it hooked up to 2 audio 2000w subs pushed by a Kenwood eXcelon X1200M 2400 watt amp. At high volume, my lights dim. If you are using 1000watts or less, I recommend this cap.