High Fidelity, Grey, Monitor Speaker, contemporary design, wall or shelf mount. Built-in amplifier and volume control. Weather-resistant for indoor and/or covered outdoor areas such as restaurants, malls, or environments requiring high fidelity sound. (Optional V-9804 Mounting Bracket)- High-Fidelity Extended Frequency Response.- Easy Clip Secured Speaker Wire Connections.- Custom Colors Available.- Built-In Volume Control.- Built-In Amplifier.- Utilizes Standard Telcom/Datacom Wiring CAT 3/5/6.