EMtech Model EJ-8 Multi-Input Adapter Box

"The Model EJ-8 is a multi-input adapter that accepts
multiple line level inputs from a wide variety of audio/
video devices for input into an existing PA or music
system,while providing the necessary matching and
isolation for protecting the system. The EJ-8 also
acts as a mixer when accepting signals from more than
one source at the same time."

"The EJ-8 features a volume control, phone and phono
jacks, binding posts, and a hum switch. An assortment
of interconnect cables and a nylon carrying case come
attached to the EJ-8. A complete instruction manual
comes stored in a pocket of the carrying case."