Foster's Edgeless Woofer Edges have been eliminated by adopting the SLE (Super Long Lenear Accession) system. The part that hits the edge is a ring-shaped slit forming an acoustic low-pass filter, and it has sufficient damping characteristics. Overall feeling of use, there is dirt on the corn paper (Daiki Goto)
Accessories: none
Main specifications: diameter 20 cm weight 3.6 kg input 100 W crossover frequency 3,000 Hz or less impedance 16 ohms