Those look like the model that came with a lifestyle system, can't remember whose, Denon, I think, circa mid 90's, and one of the more pricey iterations of the breed...These were reasonalbly good speakers for such a system, but they are not to be confused with the Missions sold at high end stereo shops.
I bought a very similar, could be identical, pair for ~$30 at a thrift store, and they still see use in a bedroom system.
They actually image very well for cheapies, quite spacious. They manage to do the mini-monitor "disappearing act", which is quite nice with such an inexpensive speaker. They are reasonably accurate, enjoyable speakers to listen to, at least within their limits. Treble is smooth, seems fairly extended but on the soft side; mids are very pleasantly fat; bass ok to a point, which is about ~110 hz. They're small, so output is limited. The system they originally came with was very modestly powered, and the small woofers in ported cabinets are only capable of so much travel before they reach their mechanical limits. Don't expect anything more than modest volumes. You can cork the ports to provide for safer loud listening, at the expense of bass response. With ports open, these speakers are good to the 110hz range, plugged only down to 150 or so.
One day, when I had too much time to kill, I hooked these up to a high passed signal and with proper amplification... and they sounded remarkably good, particularly the expansive, deep image they threw. Presently, they are powered by an old Yamaha 50wRMS receiver, which is probably more than they warrant, but it is a pleasant sounding setup.
