Despite their compact construction, only speakers and a microphone are required to configure 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. Powerful & High Efficiency Class-D Amplifier The EMX5 features a built-in high-efficiency power amplifier of 2 x 630W of output power but despite their low power consumption, these amps are capable of very high volume output, yet still manage to remain surprisingly lightweight. It's also  equipped with an 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. Two 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 offers up a full compliment of "gizintas" & and "gezoutas"! Onboard Feedback Suppressor Few things make a live performance or speaking engagement take a negative turn like the sudden, uncomfortable, and often embarrassing howling of unwanted feedback. To combat this, the EMX5 boasts 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. Robust But Extremely Portable Design The EMX5 benefits from a robust and portable design with a rugged, impact-resistant, powder-coated metal chassis geared towards extended operation and road usage. Large handles on the front and back of the enclosure make it extremely portable, and also help to protect knobs and terminals on the surface of the chassis from impact or pressure during transport. Comprehensive, Professional Effects and Signal Processing EMX5's are equipped with a powerful, comprehensive DSP section that provides a total of 24 different effects that are in the same league as our famed SPX effect processor series used by professionals. It is possible to add reverb and delay effects that simulate the sound of different performance environments, such as concert halls and small clubs. 1-Knob Master EQ EMX5?? 1-Knob Master EQ lets you apply optimized EQ settings with the simple turn of a knob. The SPEECH setting is geared towards meetings, seminars, or conferences with a limited lower end for clear, defined speech; MUSIC offers a more balanced sound tailored to acoustic or band performances; and BASS BOOST is ideal for DJ performances or audio playback that puts a priority on emphasizing the base sound. Features: 2x 630W [4?], 2x 460W [8?] (1kHz THD+N less than 10% CEA2006) 2x 500W [4?], 2x 370W [8?] (1kHz THD+N less than 1% CEA2006) Powerful & High Efficiency Class-D Amplifier 12 Line Inputs (8 mono + 4 stereo) High-Z input (channel 4) to connect guitars or basses directly 1-Knob Master EQ Onboard Feedback Suppressor Comprehensive, professional 24 different effects Metal chassis for extended operation and robustness Large handles for extreme portability and protection Universal power supply eliminates concern on power fluctuations Optional rack-mount kit available Get your Yamaha EMX5 12-Channel Powered Mixer today