Used a little in the early 2000s. Otherwise, it has been stored in a dry basement. Power adapter and box not included.

The Boss PW-2 Power Driver harnesses the powerful gain and impact of the company's more well-known models like the OD-2 and adds additional features such as separate Fat and Muscle knobs for controlling bass and mid-tones. The pedal has a more focused mid-tone section than its contemporaries or predecessors. This is one of Boss's rarer pedals, as it was only produced for less than a year between 1996 and 1997.

Manual: https://cdn.roland.com/assets/media/pdf/PW-2_OM.pdf
Analysis of the sound: https://guitarpedalsvisualized.wordpress.com/2023/08/27/boss-pw-2/