The Russound C-Series amplifier offers 6 amplified zones at 20W/ch. Additionally, they are fixed/variable line out for zones 1 and 2. They carry up to 6 line-level stereo inputs, 3 digital coaxial and 1 optical and are RS232 and IP controllable. It also contains 6 routed or outputs, plus 1 global or output. As an addition in your home theater system, it offers 12V trigger in/out for shared sources. The amplifiers are also equipped with removable screwless speaker connectors. It can also expand to up to 36 zones and is designed to support Bluetooth with optional BTC-1X. It also provides one with a rack that is mountable and includes rack mount ears.