The Crab - Multi-Input Audio Adapter without Telephone (Line Level Output) The Model EJ-8L is a multi-input adapter that accepts unbalanced line level inputs from a wide variety of audio/ video devices for input into an existing PA system,while providing the necessary matching, isolation and balancing for protecting the sound system. The EJ-8L also acts as a mixer when accepting signals from more than one source at the same time. The EJ-8L is similar to the EJ-8 except it has line level output instead of mic level output. The EJ-8L comes with everything required to connect virtually any audio source to the line level input of an existing sound system. The EJ-8L is a completely passive device, no batteries or external power sources are required for operation. The EJ-8L 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-8L. A complete instruction manual comes stored in a pocket of the carrying case.Specifications: Inputs: Unbalanced line level Speaker level (connections include mono/stereo phone, mono mini-phone, RCA phono jacks and bare wire binding posts) Output: Transformer balanced adjustable line level (3' cable with male XLR plug) Attentuation: Line levels -20d t -100dB, Speaker level: -35d t -100dB Frequency Response: 20H t 20kHz Package: Steel case with polycarbonate overlay in black Cordora nylon pouch with zipper Dimensions: (6.6" x 2.5" x 3") Weight: 1 lb. 12 oz.