Classy little booster. There's 20dB of boost plus 15dB range in the active EQ, so you can really hit the tonal target with some gusto. Works a treat and has a more natural tone and response than some other high profile options. 

Model: Xotic Effects RC Booster v1
Made: USA, recent model
Type: boost/preamp
Power: standard 9v negative supply (not included)
Equivalent new street price (approx): $255aud
Mods: velcro attached
Accessories: no box or docs
Condition notes: used, no major marks, very good condition