Head unit compatibilty with active sub.

[XB-16-AX]

He has clearly stated that he has purchased an active subwoofer with inbuilt amp, if he had more than 1 it would of said a paid or set of subwoofers.

why would u pay for an Active sub/amp combo and pay for 1 subs seperately or if it did come with 2 subs? - this is just wrong. - hence why they call it a Active Sub/Amp combo priced as a total package.

Never seen an Active sub using a 2xchannel AMP to run 1 sub. - this is just plain stupid for the manufacturers to even promote to sell. - they will loose money as its not profitable.

Yet again - all this can change if the store has decided to "modifiy" the combo to customer specific requirements.

Even if the amp is 2ch it should be run bridged thus still only needing 1 rca input

you will still need to hook up both L/R RCA's to be in bridge mode. or else only half of the signal/ output voltage power will be experienced. - I.E 5V preout will be half to 2.5V.