Anyone added a subwoofer to the hk system?

[Jeppe777]

Looking to add a subwoofer in the boot,
Which line out converter can I buy locally?


I was looking at buying this

HiFi (676)/HK (674) add-a-sub harness/LOC​

 

[m0lt3n]

subscribed.

was hoping you were rather asking for some plug and play upgrades...