Professional mixer USB six-way EM60 - EM80 - USB no. EM120 - USB 12 road Function characteristics: Left, analog mixer, high-quality low noise circuit design, dynamic allowance Left 6/8/12 channel mic/line input Two waves left channel equalizer, timbre warm, strong musicality Rear left per channel 1 putter effect delivery, equipment used for external effect Left, 16 built-in DSP digital reverb Left, USB access design, can be directly inserted into the U disk MP3 music Left, 48 v phantom power supply, support capacitor microphone to use directly Left, 5 stereo equalizer output design master Left, stereo headphones listening/audio output Left 2 road with high level display Left, 60 mm high degree of analysis and durable pusher Left, high quality components and extremely strong structure, product durability technology parameters: Left, the maximum output level: 19 DBM (1 KHZ, THD = 0.5%) Left: residual noise - 105 db Left, signal-to-noise ratio: 80 db or less Left, the equivalent noise sources input electromotive force: - 115 DBM Left headphone output power: 100 mw (1 KHZ, THD = 0.5%, 200 Ω) Left, gain control: mono - 60 db to - 40 db Left, frequency response: 20 hz - 20 KHZ - (plus or minus 3 db) Left, total harmonic distortion plus noise: 0.003% or less (1 KHZ, 0.775 V)