SWR Workingman 15" Combo, older version. It's a workhorse. $325 or reasonable trade for example...good drum machine or....??? link to specs for current model: http://www.swrsound.com/products/search.php?partno=4452000000 160 watts ,15" speaker and a tweeter. 2 Channels, 1 active 1 passive/active. The Passive/active has a greater amount of gain preset on the channel than the other one. Has the XLR out which keeps the speaker still on, so it works well as a monitor for going out through a system. The tuner out is useful, as well the 3 way selector switch. The horn can be killed, full range selected, or the headphone out, which works well as a mute. Features are good. I have larger photos of closeups I can email if desired. Won't make $ense to ship - buyer should be located in or around Chicagoland. PM or email me email@example.com if interested.