DaSingh Posted October 9, 2020 Share Posted October 9, 2020 Saw some on eBay for around £100 and goes in the spare wheel space? Are these worth getting or is there another option I can use with factory sync3 head unit? Quote Link to comment Share on other sites More sharing options...
DaSingh Posted October 9, 2020 Author Share Posted October 9, 2020 Looking at something like the JX7T 19A067 AB Will need to check if connection is in boot already as I don't fancy running new cables or messing with back of sync3. Quote Link to comment Share on other sites More sharing options...
JW1982 Posted October 9, 2020 Share Posted October 9, 2020 On the Focus MK3/MK3.5 the original subwoofer is part of the 10-speaker Sony audio system. Compared to the 6 / 9-speaker audio systems the 10-speaker audio system has a different ACM module and different wiring. The 6 / 9-speaker ACM does not have a subwoofer output. If you want to connect an original subwoofer to the 6 / 9-speaker ACM you need to connect an aftermarket high/low signal converter to the rear speaker output and a low pass filter to filter the high tones from the signal. On a 6 / 9 speaker vehicle the subwoofer wiring will not be present. Part number JX7T-19A067-AB is a B&O Focus MK4 subwoofer. This type of subwoofer has never been used on the Focus MK3/MK3.5. Quote Link to comment Share on other sites More sharing options...
ColW Posted October 9, 2020 Share Posted October 9, 2020 I just picked up my mk3 facelift that has the sub in the wheel well. I can get the part number off it tomorrow if you need it. You would also need the raised floor supports as it takes a fair chunk of boot space compared to the normal mk3 boot floor level. 1 Quote Link to comment Share on other sites More sharing options...
DaSingh Posted October 9, 2020 Author Share Posted October 9, 2020 Thanks, dont fancy buying a new ACM, from what I read these were available from TitX+ I have Sony 9 Speaker although I disconnected the front centre as its meant to improve sound. Will see about the high/low signal converter Quote Link to comment Share on other sites More sharing options...
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