SALCON HI BASS MID TREBLE +SURROUND PREAMP BOARD (318) 2022 . Hyper surround series
POWER SUPPLY -12 V DC
NOTE – PLEASE INTERCHANGE-AUDIO INPUT & AUDIO OUTPUT PORT
2 nd TREABLE is (Balance) this is Printing error .
Is this active or passive.
Does it include the 4 pots soldered or that has to be ordered separately some pictures you show the pots some you don’t so its not clear what the customer gets.