Made with High-quality parts for high-end audio.
Silver-plated is used in the point of contact of rotary switch. The gold plate is used in the terminal (multi binding post). Those specifications enable to low contact resistance. Moreover, it wired the use of speaker cable 'INNOVA TS7' of ORB in equal length.
Designed for high-end speaker cable.
The binding post makes it possible the speaker cable of big diameter to connect though low price and compact design. The speaker cable with Y Rag (8φ terminal: ORB HL-YLi) and the banana terminal can be connected as well.
1to4 connection is possible.
Both of them are possible.
One amplifier connects to four sets of speakers; Four amplifiers connect to one set of speaker.