Audison Bit One Bit Ten Processor Tracks - Track 01 Sine Sweep 10 min 

These are the tracks from the Bit One / Bit Ten Calibration CD used for setting up gains and de-equalizing the source unit.
If you don't have the CD or a CD player you can just play this track from RU-vid on your phone and play it via the aux jack to perform the calibration and gain settings. Use with a phone with a good quality audio output because if it is poor the processor will be fooled into believing the discrepancies are in the head unit / source and will erroneously try to correct it.