Product Features: High powered speaker terminals for use with heavyduty speaker wire Made of highquality plastic construction Gold plated binding post Features Multiple Connection Options: Bare Speaker Wires, Banana Plugs and Other Connectors Allows For The Connection Of Two Separate Speakers From A single amplifier Channel No Need For A Crossover: Just Connect to a positive negative on the terminal and use Bi-wiring bridge to connect the second speaker Heavy Duty Gold Plated Contacts For Home Stereo, HI-Fi, DJ and Pro Sound Systems. Approximate Outside Diameter: Width 3-7/16" Height 4-1/2" Depth 3/4" Terminal Cut Out Approximately: 3-3/4" x 3" x 3/4" (L) x(W) x(D) Brand New Item That Ships In Manufacturer's Sealed Poly bag. Ships Fast And free From U.S.A!