5-Band graphic equalize,Master volume control,MP3 PLAYER, Remote control,Channel tone adjust(high/low 15dB),AUX/TAPE/ effect SB-8200 SB-6200 SB-4200SpecificationsInputSB-4200 4-line microphone balance input, 4line unbalanced inputSB-6200 6-line microphone balance input, 6 line unbalanced inputSB-8200 8-line microphone or high impedance input, 8 line unbalanced inputTAPE stereo input Microphone ...