This is a listing for a PSK. It seems to have originally been sold as an inexpensive effects pedal, but I like the 90s-style sound typical of cost-effective models, and I own several as backups. However, they surprisingly don't break down, so I'm listing this one to organize my equipment. Personally, I find it useful, as I think it can be used for a more modern sound if you cut the lows with the EQ. Non-smoking environment. AC power and 9V power supply are both checked and working. Price negotiation is not possible.