This is a set of 2 speaker enclosures assembly kits designed and supervised by Pioneer for the 2.4-inch (6 cm) full-range speaker unit / OMP-600 by Pioneer, which is included in the "Yuminosha "Special Speaker Unit Pioneer Edition" (sold separately).
Unique slit bass reflex enclosure with downfire Bi-Directional ports for low bass reflectors.
The components have been processed and can be easily assembled with a Phillips screwdriver and a woodworking bond.