Main features: 8 road (MG8/4), 14 (MG14/4) and 20 (MG20/4), 26 road (MG26/4) S low noise, high precision BG30 patent microphone preamplifier, quality perfect. S fine spray paint process, surface treatment of glossy and smooth, colour collocation new trend. S effector composed of YAMAHA (YAMAHA YSS series digital chips, 16 kinds of ECHO effect Fruit, lifelike sound field, and USES the high brightness blue digital tube display. S overweight bass signal output, compatible speech, conference, disco dance halls and other places. S German SMT process, by TDK, PHILIPS (PHILIPS), RUBYCON (ruby), etc. High quality material Material carefully build, good quality, reliable performance. S 100 mm high durability analysis of pusher line orbit. Technical parameters: S MIC input sensitivity: 60 db LINE: 20 db Eff Ret: - 20 db Tape In: - 20 db S: ECHO 12 ms - 200 ms S marshalling number: 2 S output voltage: 4 v Max S SNR: > 85 db S distortion (THD) : 0.03% (1 KHZ Full Power) S frequency response: 20 hz to 20 KHZ plus or minus 3 db S headphone output: 220 Ω 7 v S equilibrium parameters: Hi: plus or minus 15 db / 10 KHZ Mid: plus or minus 15 db / 250 hz Low: plus or minus 15 db / 80 hz S power consumption: 50 w