Classic speaker selector. It is a convenient unit for outputting from 1 input system to 4 systems, or conversely, outputting 4 input systems to 1 system. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.5.3 continuity confirmed
Accessories: none
Main specifications: 1 system/4 system input/output W160 x H65 x D95 mm 530 g