corsa120 try taking out your 6x9's and putting them somewhere else temporarily out of the way from the subs ;)

could be right jayc but im runnin my sub with 6x9's just in the parcel shelf an no probs mental loud an excellent quality lol not sayin ur wrong just in my case it is kool

Well if u just stick them on the parcel shelf and have a sub in the boot, the movement of air in the boot made by the sub will make the 6x9's sound shite. So eitther don't have 6x9's or have the boxed off. U do this by either fitting them in the rear quarters (only 3 door corsa under the rear windows) or put them on ur shelf but build a box around them underneath the shelf.

what does that mean? box them off?

dont have 6x9's and subs mate unless ur gonna box the 6x9's off.

would this be a good thing to add to my ICE

A vibe active box CBRA120

VIBE VP2 Amplifier for the VIBE SA69, 6x9 Loudspeakers for my parcel shelf.

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Current system is a kenwood m9021 head unit with MB Quart 157 and MB Quart DKD 116