Harmon Kardon HK19.5 Powered Speakers - $10 (berkeley)

Harmon Kardon HK19.
5 Powered Speakers Excellent condition, in original packaging - Pair of powered satellite speakers with 3-inch magnetically shielded transducers.
Nonparallel enclosure walls reduce standing waves for more natural sound, and the bass-reflex enclosure, using tapered port geometry, virtually eliminates exit turbulence while augmenting bass reproduction.
- 12W per speaker; right speaker has integrated power, volume, treble, and base controls - Front-mounted headphone jack