Visible in this [article](http://www.premierguitar.com/articles/17077-rig-rundown---reo-speedwagons-dave-amato), as well as the video.
At 0:32 minute mark either Boss DSD-2 or DSD-3 can be seen in Billy's collection of pedals. Since there is technically no difference between the two versions of DSD, I don't think it really matters which one does he own.
At 27:25, a Boss DSD-2 can be seen on Doug's pedalboard.
A Boss DSD-2 can be seen on Tim's Guitar Geek [rig diagram](http://www.guitargeek.com/tim-mahoney-311-guitar-rig-and-gear-setup-2009/).
Nick has a Boss DSD-2 Digital Sampler/Delay on this board
It's on their Instagram page
Great for the price. With the right settings, you can get a Welcome To The Jungle kind of sound.
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