E-Lektron ST series has a newly designed, unique, and novel appearance, and a compact and reasonable panel functional layout. It contains numerous features, one aux send, two main channel outputs, excellent MP3 player/recorder, digital effects processor, 7 -band graphic equalizer, and so on. It has superior sound performance with a high-performance cost ratio. The entire series has a pure mixer and a powered mixer. There are a variety of selections for the input channel numbers and a variety of options for output power. Features: Output Power: 400W RMS Par Channel Premium ultra-low noise, high headroom analog mixer 6 ;channels mono inputs+2 groups of stereo inputs Stereo MP3 player channel with recording, SD/USB ports provide good sound quality 7 -band graphic equalizer, optimized musical performance, and adjusted indoor acoustic parameters One aux send, two main channels outputs Precise 3-color, 10-band LED level display No-noise pre-amplifier with extremely low distortion and a very wide gain range, extremely high dynamic response, and musicality Pure 3-band equalizer, correct musical control power All input channels have peak signal indications and pre-fader monitor options Independent earphone monitor and level display system It has RCA connectors for the input and output of a 2-track recording/playing machine or a CD player High-quality and high-precision 60mm-long fader can precisely adjust the matching level of the channel Less volume, more concise, convenient, and easy to use Rackmount brackets included for ultimate flexibility Technical data: Operation at: 220 - 240Vac / 50Hz Amplifier Power RMS:2x 300W@4 Ohm/2x 200W@8 Ohm Amplifier Power Music:2x 400W@4 Ohm/2x 300W@8 Ohm Frequency response: 20Hz - 30kHz (+/- 0.5dB) Distortion (THD+N): 0.01% max Signal to noise ratio Main Mixer: Channel-Equalizer High +/-5dB@12kHz Channel-Equalizer Mid +/-5dB@2.5kHz Channel-Equalizer Deep +/-15dB@80kHz Input Level Line +20dBu Input/Output Level CD/TAPE 0dB (775mV) Output Level XLR MAIN 2x 26dBu Balanced Headphone Output:30-600 Ohm Dimensions:48(L) x 15.3(H) x 32.2(W)cm Weight: 11kg Package: 1 pc. ST-122P power mixer 1 pc power cord 1 pc user manual