AS-55

Passive Speaker Level Switch, Speaker-Level Selector for Switching between three pairs of Speakers ( or amplifiers ). 6N OFC Wiring ( 99.99997 % pure copper ), gold-plated binding posts accept spades, banana plugs and / or bare wire .

Dimensions & Weight: 14.6" x 2.8" x 6.5" , 7 lbs

Shipping Dimensions & Weight: 17.5" x 9.25" x 5.5", 8lbs

And enjoy than the expression of the music by switching the system. It is a high-quality system selector to taste the thrill of such audio. To avoid noise through the ground loop adopts audio quality design grounding switch each circuit. Adopted (99.99997% copper) wire 6N information loss is less pure in the wiring goods, for example, use a gold plated high purity to the terminal, consists of a grade that is comparable to high-end separate amplifier. There is no compromise in consideration of the sound quality. 

One stereo amplifier to three different sets of speaker terminals; 1, 2 or 3 - only one pair can be selected at any time 

This can also work in reverse, allowing you to easily switch between multiple stereo amplifiers into one pair of speakers.