I'm stated this numerous times.
In my setup the addition of a BL11 made a HUGE difference to my setup (BL8000's and (then) BeoVision3.)

My neighbours never complained with the 8000's alone, but received numerous remarks once the BL11 was added. It does not go down as deel as a BL2 but it does ad serious bass to the 8000s! And it's very noticeable!

Karel.

Agree, I think that the BL11 makes a big difference for a pair of BL8000 and yes the BL2 has more bass but I think it's a bit too much when playing music and from my taste it would be my choice for movie setup. But, for pure music I'll like the BL2 far better as it's more snappy where the BL2 sounds a bit too bassy and slow. In my setup I have 2 pairs of BL8000 in the living room (rectangular shape) where on one side I have the BL8000 + BL11 connected to a BV10 and other end of the room which is dinning area is where the other pair standing. Quite nice also to play all 4 speakers to fill out the room completely.

It's all about personal taste; if you want the umpa-umpa sound then go for BL2. 😁

@Fredric

Can’t say if you will agree, once you have a BL11 in your configuration/room, but I appreciate what my BL11 is doing in my setup.

No other advice from me than........only tryIng it out at your own place will tell!

However, if ‘a lot of low frequency’ is your aim, it might not be the right choice.

MM

My own experience with the combo 8000 & 11 is very positive. Can't say the bass goes super deep or is very pronounced, but the 11 definitely improves the music. And the 11 is a very beautiful object. Better looking than the 2 or 19 imo 🙂

I have wall mounted 8000s mrk1. I have tried with both BL2 and BL11. 

The 2 is far too boomy for music reproduction.. the 11 on the other hand is just right. Sharp enough to keep up where the 2 lacked in timing.

BL11 is the one. (For music) 

RichardIII wrote:

My own experience with the combo 8000 & 11 is very positive. Can't say the bass goes super deep or is very pronounced, but the 11 definitely improves the music. And the 11 is a very beautiful object. Better looking than the 2 or 19 imo 🙂

A stunning piece of art, almost worth buying for that alone regardless of performance.

As you can see from my sig and photos I have posted - I have BL 11 and BL2 as well as BL 8002 and BL 6000. I have tried them in all combinations. IMHO, the BL 11 does not improve the bass for the BL 8002 . The BL 2 is another matter! The BL 2 adds excellent bass but might be a little slow for some types of music. Overall it is great and punchy - one of my favorite subs. The BL 11 isn’t really a subwoofer. It lacks punch and is one B&O product I would never buy again. It adds a little bass and adds a little punch to the BL 6000 and it might be OK for that. However, adding a Core to my BL 6000 made a bigger difference to me for music than the BL 11.

My 2 cents worth. 

The Beolab 11 is a very beautiful piece but soundwise it's only ok for small Beolab speakers (e.g. Beolab 4...) and very small rooms.

If it needs to be a Bang & Olufsen subwoofer you'll better go for

- Beoplay S8 subwoofer (black)

- Beolab 14 subwoofer (white)

- Beolab 2 (good for movies, ok for music with smaller speakers like Beolab 6000 and 8000)

- Beolab 19 (no personal experience with this one)


If it doesn't need to be from Bang & Olufsen there are plenty of other options for active subwoofers.