AS-44 

Passive Line Level Switch, Line-Level Selector with RCA Inputs for up to 4 Sources. 6N OFC wiring ( 99.99997% pure copper ) Gold-plated Terminals

Dimensions & Weight: 14.6" x 2.8" x 5.4", 6 lbs

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