You are buying aPioneer Graphic Equalizer Model GR-555 Made in Japan 15W. I tested it the best I could and it appears to be working. I am not 100% knowledgeable on these kinds of units, so I tried my best. I am selling itguaranteedto work though, so if it does not work I will pay for you send it back and give you a full refund.
Do not assume anything about this listing. You are buying the item as listed. If I did not mention something then question it before you buy it. Please message me with any questions.

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