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Geoff130 · 24th July 2015, 18:05

I had a spare XQK100190 that I believe is for the saloon without hi-line and wanted to see if I could increase the sub woofer drive as I've replaced the standard sub woofer speakers with a couple that have much bigger magnets, kevlar voice coils and generally sturdier build quality. There's always a catch, they're 8 ohms and the rest of the system is 4 ohms. I also have an XQK100320 that seems to have the same PCB and IC's, the difference is in the components determining the frequency response of the filters in the pre-amp stages. The best one for me would be saloon with hi-line but any help would be gratefully received. I was looking at maybe fitting a BMW DSP amp but adding all the extra wiring and speakers doesn't seem to be worth the effort reading the BMW forums.

24th July 2015, 18:05	#3
Geoff130 Loves to post MG ZT 190, Rover 75 CDTi, Honda VFR 750, Honda CB550F Join Date: Aug 2010 Location: Derby Posts: 393 Thanks: 75 Thanked 36 Times in 28 Posts	I had a spare XQK100190 that I believe is for the saloon without hi-line and wanted to see if I could increase the sub woofer drive as I've replaced the standard sub woofer speakers with a couple that have much bigger magnets, kevlar voice coils and generally sturdier build quality. There's always a catch, they're 8 ohms and the rest of the system is 4 ohms. I also have an XQK100320 that seems to have the same PCB and IC's, the difference is in the components determining the frequency response of the filters in the pre-amp stages. The best one for me would be saloon with hi-line but any help would be gratefully received. I was looking at maybe fitting a BMW DSP amp but adding all the extra wiring and speakers doesn't seem to be worth the effort reading the BMW forums. Last edited by Geoff130; 24th July 2015 at 18:22..