B&O subwoofer upgrade

[2022 base]

With just a razor remove tab and this 8" shallow sub fits! You must remove beauty ring from woofer.

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[Ninjak]

So a 8-inch is what we have there and needed. Did you run it off the same power from the B&O amp? I upgraded all of my other speakers except the sub. I do belive I have a nice 8-inch on my bench somewhere that I did not use.

 

[jehines3]

The factory B&O is a dual coil and a very small lightweight speaker. I'd go so far as to call it a woofer and not even a full subwoofer. Each coil was 4 Ohms when I tested it. I doubt that MB works well off the wimpy factory B&O Amp.

 

[2022 base]

So a 8-inch is what we have there and needed. Did you run it off the same power from the B&O amp? I upgraded all of my other speakers except the sub. I do belive I have a nice 8-inch on my bench somewhere that I did not use.

I am using a 5 channel mb quart amp NA2-500.5 to run 200 rms to the woofer and 40 rms to the front dash and kicks. I chose to keep the 4" in the back factory power but upgrade to mb quart FKB110.

 

[2022 base]

I am using a 5 channel mb quart amp NA2-500.5 to run 200 rms to the woofer and 40 rms to the front dash and kicks. I chose to keep the 4" in the back factory power but upgrade to mb quart FKB110.

Update....The woofer sounds fantastic in that enclosure with only 200watts!

 

[mdube72]

With just a razor remove tab and this 8" shallow sub fits! You must remove beauty ring from woofer.

Which MB Quart model number subwoofer is this ?

 

[2022 base]

Which MB Quart model number subwoofer is this ?

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Here is my install

 

[mdube72]

Can anyone clarify what is +/- wire colors at the B&O factory subwoofer inside the box ? This diagram is not to helpful

 

[Johnny Mo]

Can anyone clarify what is +/- wire colors at the B&O factory subwoofer inside the box ? This diagram is not to helpful

You have the wrong diagram there is a green connector that changes the colors that go into the sub enclosure see below. Inside the enclosure it goes to Yellow+ w Purple - and Green + with Black -. You can buy a connector and make it a clean connection instead of cutting - but the pins in the connector were flimsy and mine broke while crimping in my astro tool. so I just cut and spliced in my kicker key line level input connector. But if you are not running an amp these will go straight to your speaker terminals.

 

[aptus]

I am using a 5 channel mb quart amp NA2-500.5 to run 200 rms to the woofer and 40 rms to the front dash and kicks. I chose to keep the 4" in the back factory power but upgrade to mb quart FKB110.

Did you test the mb sub with the b&o stock amp ??, I’m thinking only upgrading the sub , just to be sure that at least will sound better o more kick with the mb

 

[aptus]

You have the wrong diagram there is a green connector that changes the colors that go into the sub enclosure see below. Inside the enclosure it goes to Yellow+ w Purple - and Green + with Black -. You can buy a connector and make it a clean connection instead of cutting - but the pins in the connector were flimsy and mine broke while crimping in my astro tool. so I just cut and spliced in my kicker key line level input connector. But if you are not running an amp these will go straight to your speaker terminals.

Where can I find the conector adapter of the b&o sub to a mb sub connector , thanks in advance

 

[Johnny Mo]

Where can I find the conector adapter of the b&o sub to a mb sub connector , thanks in advance

I forget which side was needed - I wound up breaking the pin on mine while I was crimping it so I just spliced it instead.

https://www.amazon.com/dp/B0891YQ499?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1
https://www.amazon.com/dp/B085XLPSPP?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1

 

[aptus]

I forget which side was needed - I wound up breaking the pin on mine while I was crimping it so I just spliced it instead.

https://www.amazon.com/dp/B0891YQ499?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1
https://www.amazon.com/dp/B085XLPSPP?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1

both are needed or Just one of the two?

 

[Johnny Mo]

both are needed or Just one of the two?

Just one - I don't remember which one though.

 

[GA_Alumaduty]

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