Pioneer DJ - DJM-850 - Layout  

Equalizer

6. LOW. Use these knobs to adjust the low (bass) frequencies of each mixer channel.
   
   
7. MID. Use these knobs to adjust the middle (mid) frequencies of each mixer channel.
   
   
8. HI. Use these knobs to adjust the high (treble) frequencies of each mixer channel.
   
   
9. TRIM. Adjusts the input audio level (gain) up to +9db of each mixer channel. No boost or cut is at 12 o’clock position.
   

Color FX