The MX350 is a 6-Zone Mixer Amplifier, 350W [100V|8Ω] for your medium to big size installations, You can operate your MX350 @ 4-16Ω or 70V/100V and install it according your needs. With MX350, you can have multiple audio signal solutions USB, Microphone, SD card and radio. This amplifier incorporates a multimedia player that allows you to control and reproduce the USB and SD card.