Model number: EMX-1804 EMX-1804TA Amplifier, PA Amplifier, Professional Amplifier, karaoke Amplifier, Audio, PA Audio, Professional Audio, Audio System, Karaoke Audio, Mixer, PA Mixer, Professional Mixer, Karaoke Speaker.  EMX Series Model: EMX-1804 EMX-1804TA  Features:  EMX Series professional mixer possed the following features: Complete function craft, small and exquisite size, Adopt advanced SMT technology, The S/N performance is more superior. Small size, and equipped with unique shaft, It's convenient to take along with you, Unpacked the shaft, Can install it in a 19 inch standard mechanic cabinet. Adopt world advanced components, so as to ensure quality of signal, Low noise, high gain; 32 level digital effects processor and 2× 300W power amplifier and built-in.  1. 6 mono input channel with gold plated XLR and balance line inputs and plug in.  2. Super-low noise preamplifier, +48V Phantom Power supply.  3. 4 Stereo balanced input channel 4. 2 auxiliary function of stereo balance input channel, with 60mm volume handspike.  5. ALT 3-4 buses, available to connect with main Echo Audio Studio and Control Room via socket  6. The best main echo half parameter equalizer and 7-band graphic equalizer.  7. Wide gain balance input and main output 8. High gain balance input and main output 9. 3-band equalizer and IF frequency for each mono channel, 4-band equalizer for stereo channel 10. Peak indicator light and LF (low Frequency ) switches per mono channel 11. 1 Aux send (with a switch of before-equalization & after-equalization) & 1 Effect Send per channel for  External effects and monitoring.  1. Stereo Aux Send, with gain control and PFL level 2. Mute ALT 3-4 per channel, mono-sound & PFL function 3. Ndependent main echo studio, ALT 3-4, Control room and earphone output.  4. Highly accurate 12 segment paragraph Meters.  5. High quality 60mm Panasonic sound controller and sealed potentiometer.  Weight:  EMX-1804T 7.6Kg EMX-1804A (built-in amplifier) 18.5Kg