AG-TD Series    Freeboss AG-TD Series USB Play and Record Bluetooth 99 DSP Effects 7 Band EQ Audio Mixer             Click to go to AG-TD6 listing:        Difference    AG-TD4 : 4 Channels -- 2 Mono +1 Stereo    AG-TD6 : 6 Channels -- 4 Mono +1 Stereo                        Click to go to XLR cable listing:                                          1. 4/6 Channels    2. 24 BIT 40KHz 99 DSP Effect    3. 7 Band EQ    4. Bluetooth    5. USB Play and Record    6. Built-in EQ for USB Play                        99 DSP Effects            How to choose effect?    1). Choose:    Rotate the "Program" knob to choose the effect    2). Confirm:    Press the "Program" knob to confirm the effect         How to adjust the effect    1). Rotate the "EFF SEND" knob to transmit the effect to Channels.    2). Rotate the "EFF/AUX" knob to receive the effect.    3). Rotate the "EFF VOL" to transmite the effect to Main out.                             7 Band EQ                            USB Menu    when there is no USB stick    1. Press 1st button, enter the menu    (or long press 4th button to enter the menu.)    2. Press 2nd and 3rd to choose the Menu    3. Press the 4th button to confirm the menu and come into the next level menu.             Bluetooth Function        1. Come into Bluetooth Menu,    2. Press the 4th button to enter the status of "waiting for Pairing"    3. Turn on your bluetooth equipment, such as mobile, Search and pair the bluetooth.                USB Play     1. Music format:FLAC, MP3, WAV, WMA    2. Operation instruction:    1) Insert USB stick    2) Press "USB or 3/4" button to choose "USB"    3) Adjust channel volume    4) Adjust Main out volume.        3. USB volume adjust:    Long press the 2nd button to reduce the volume.    Long press the 3rd button to increase the volume.        4. USB play order    Operation instruction:    a) Press 1st button to enter the Menu.    b) Press 2nd or 3rd button to choose the "Music"    c) Press the 4th button to enter the Next level    d) Press 2nd or 3rd button to choose the "Repeat"    e) Press the 4th button to enter the NEXT level    f) Press 2nd or 3rd button to choose the EQ you like.    g) Press the 4th button to confirm.        5. Built-in EQ for USB play    1) This funciton is only for USB play.    2) Operation instruction:    a) Press 1st button to enter the Menu.