The EMX-series powered mixers integrate mixer, power amplifier, graphic EQ, and digital effects into a compact, portable unit. No need for complex setup and wiring — simply plug in and play! The entire system is optimized, so it's easy to get great sound just about anywhere.

Parts selection is crucial to achieving the best possible sound, and Yamaha spares no effort in selecting the best. The critical head amplifier circuit, for example, uses special low-noise chip resistors that are deposited on a thin film of nichrome for accurate, noise-free reproduction. Special care has also been taken in laying out the system's grounding as well as the circuitry in general to ensure that no unwanted noise or interference degrades the quality of the sound.

The mixer section offers a total of 12 inputs in a very versatile configuration: channels 1 through 4 are mono microphone or line inputs, channels 5/6 and 7/8 can function either as mono microphone/line inputs or stereo line inputs, and channels 9/10 and 11/12 are stereo line inputs. Connectors are also provided for connection to external power amplifiers and effect processors. Stereo channels 9/10 and 11/12 include phono jacks for direct connection of CD players or other music playback devices, to which the 3-band channel equalizers can be applied as required. There are also two 7-band graphic equalizers that can be used to match speaker and/or room response for optimum sound.

Yamaha's SPX effects are widely recognized as being some of the finest available for both recording and live sound. The EMX-series powered mixers feature an SPX effect processor built in, delivering extraordinary effect quality with 32-bit processing. 16 effect programs with adjustable parameters give you top-quality digital reverb, echo, delay, modulation, and distortion.

To make the EMX-series powered mixers light and manageable, the power amplifiers used must be extremely efficient while providing superior sound quality. In fact, the EMX power amplifiers are remarkably efficient, delivering high power with relatively low power consumption and heat generation. At the same time they deliver outstanding audio quality with excellent transient response and low distortion. Power output from all models is quite impressive: 500W + 500W from the EMX512SC, 300W + 300W from the EMX312SC, and 220W + 220W from the EMX212S.

In the EMX series reduced weight does not mean reduced performance. The cabinet is formed of a special lightweight-but-rugged material, while a switching power supply delivers all the clean power the system needs. The power amp itself has also been refined for outstanding sound, extra high efficiency, and reliable performance. The cabinet design allows normal or angled placement for improved visibility and access.