Does exactly what it is supposed to do and that is to act as a power supply. Unlike these other guys I have had no problems with it. Because of the reviews I called Boss before purchasing this. They told me they had no calls involving problems with this unit. So, buy without worry. You will get a good product. If there were so many defective ones, Boss told me they would recall them and put another one out, but they didn't expect to have to do this.

See Above

Cost is fine.

Fantastic service every time.

Hobbyist

Various

The PSA-120S is cheaply made. I am using it with the Boss TU-12 tuner. The power supply puts out some electrical noise, and the tuner doesn't work as well with the power supply as it does just on batteries. The object toward the end of the cable is fairly heavy compared with the tuner, so it tries to pull both units off the table and onto the floor. I thought I was buying a decent tuner, but if this piece of junk comes with the package, then I would recommend getting a different product entirely.

Many Years, Guitar, Professionally and Jam anytime

rock, hip-hop, R/B Blues..........

love the longer cable, hate the hard plastic thing near the "pedal" end. i realize that the longer cord requires the magnetic shield thingy to prevent interference but it's huge and will get stepped on & smashed.

Cord went "sketchy" after a month of light use. The cord pulled out of the stress relief and I promise I didn't yank on it. Products designed for stage use should be able to take it. This version, the old version... either of them don't seem to ever last more than a few months.