The EMX5 powered mixer was designed for musicians, performers, or public speakers who put a premium on sound quality and convenient operation, and are ready to take their sound reinforcement to the next level. Add speakers and a microphone and you have a fully functioning, extremely portable, and reliable sound system with all the tools you need to mix, process, and deliver your audio just the way you want, anywhere you want. Class-D Amplifier The EMX5 features a built-in high-efficiency power amplifier of 2 x 630W of output power. Despite its low power consumption, this amp is capable of very high volume output, yet still remains surprisingly lightweight. It is equipped with onboard overload protection function to improve reliability and prolong component life and performance quality. Complete Range of Input & Output Channels The EMX5 is equipped with four mono input channels and four mono/stereo input channels, allowing up to 8 microphones and line-level devices such as keyboards and portable playback device to be connected to each channel. In addition, channel 4 can be used with Hi-Z inputs to connect instruments such as guitars or basses directly. It is also equipped with 2 AUX SEND connections for a monitoring system or external effect devices, REC OUT unbalanced RCA pin output jacks to connect an external recorder, and STEREO OUT TRS phone jacks to output the mixed stereo signal. Onboard Feedback Suppressor EMX5 is equipped with a Feedback Suppressor that utilizes a unique Yamaha digital technology to instantly eliminate annoying feedback with the single switch of a button, which utilizes a seven-band notch filter. 3-band Equalizer Control With individual knobs you can adjust the [HIGH], [MID], and [LOW] audio frequencies. You can operate instantly turning the control to amplify (boost) and attenuate (cut) the corresponding frequency band.