※It is inexpensive because it has been modified to increase the volume. A line selector that can be easily switched with an RCA connection. It can also be used for 4 input systems, 1 output system or 1 reverse input system, and 4 output systems, making it convenient to switch between multiple amplifiers and sources. The exterior is dull, dirty, etc. (Ryo Mizusaki)
Maintenance information: 2025.8.24 operation confirmed
Accessories: none
Main specifications: 1 system/4 system input/output W160 x H65 x D95 mm 530 g