A4 (B9 Platform) Discussion Discussion forum for the B9 Audi A4 2017-

Upgrading SUB

Thread Tools
 
Search this Thread
 
Old Oct 12, 2017 | 07:56 AM
  #1  
jarnailh's Avatar
Thread Starter
AudiWorld Member
 
Joined: Jul 2017
Posts: 51
Likes: 0
From: California
Default Upgrading SUB

I have had the B9 with B&O sound system for 4 months now. Often i am disappointed with the sound quality. It always lacks the punch i am looking for. So, would upgrading the SUB help? Has anyone tried or upgraded ? Your input be very helpful. Thanks.
Reply
Old Oct 13, 2017 | 08:21 AM
  #2  
rsilvers129's Avatar
AudiWorld Senior Member
10 Year Member
 
Joined: Mar 2014
Posts: 1,292
Likes: 9
From: MA
Default

That would do it for sure. I will take a look at mine soon to decide what to do. I will try to use the existing amp. My first step would be to measure the impedance of the existing driver.
Reply
Old Oct 13, 2017 | 08:33 AM
  #3  
jarnailh's Avatar
Thread Starter
AudiWorld Member
 
Joined: Jul 2017
Posts: 51
Likes: 0
From: California
Default

Thanks for your input. It seems this guy have done it although not sure if it is for B8 or B9, https://snapguide.com/guides/audi-a4...oofer-upgrade/. Please do share your findings.

Originally Posted by rsilvers129
That would do it for sure. I will take a look at mine soon to decide what to do. I will try to use the existing amp. My first step would be to measure the impedance of the existing driver.

Last edited by jarnailh; Oct 13, 2017 at 08:36 AM.
Reply
Old Oct 15, 2017 | 12:00 PM
  #4  
Nostromo's Avatar
AudiWorld Senior Member
 
Joined: Apr 2011
Posts: 671
Likes: 3
Default

Originally Posted by jarnailh
Thanks for your input. It seems this guy have done it although not sure if it is for B8 or B9, https://snapguide.com/guides/audi-a4...oofer-upgrade/. Please do share your findings.
That's a B8 guide. Which I did and it made a huge improvement in sound for very little money.

I'm planning on swapping the B9 subwoofer at some point. Started it once, but found the D pillars don't pop out like the B8, chickened out because didn't want to bust up my car, but I now have the factory manual for removing the whole rear deck. I assume the B&O is pushing an 8ohm subwoofer like previous generations. So a dual 4ohm Kicker might be a perfect swap without additional amplification.

Edit: I'll copy the pages over from the manual if anyone wants to jump in. This is a backburner project right now. The B9 system is much better than the B8.

Last edited by Nostromo; Oct 15, 2017 at 12:03 PM.
Reply
Old Oct 15, 2017 | 02:32 PM
  #5  
jarnailh's Avatar
Thread Starter
AudiWorld Member
 
Joined: Jul 2017
Posts: 51
Likes: 0
From: California
Default

Originally Posted by Nostromo
That's a B8 guide. Which I did and it made a huge improvement in sound for very little money.

I'm planning on swapping the B9 subwoofer at some point. Started it once, but found the D pillars don't pop out like the B8, chickened out because didn't want to bust up my car, but I now have the factory manual for removing the whole rear deck. I assume the B&O is pushing an 8ohm subwoofer like previous generations. So a dual 4ohm Kicker might be a perfect swap without additional amplification.

Edit: I'll copy the pages over from the manual if anyone wants to jump in. This is a backburner project right now. The B9 system is much better than the B8.
Please do copy the manual when you get a chance. I will jump on it in the next coming months.
Reply
Old Oct 16, 2017 | 09:04 AM
  #6  
Nostromo's Avatar
AudiWorld Senior Member
 
Joined: Apr 2011
Posts: 671
Likes: 3
Default

Here ya go. It's pretty simple - looks like you need to pry the D pillar *from the top* and it'll just pop out. Rear shelf is just like the B8.



Reply
Old Oct 16, 2017 | 04:56 PM
  #7  
rsilvers129's Avatar
AudiWorld Senior Member
10 Year Member
 
Joined: Mar 2014
Posts: 1,292
Likes: 9
From: MA
Default

This is a lot of work. Why not stick a sub box into the trunk and not mess with the rear deck?
Reply
Old Oct 16, 2017 | 06:37 PM
  #8  
bigHUN's Avatar
AudiWorld Member
 
Joined: Nov 2016
Posts: 231
Likes: 1
From: L4G7X4
Default Are you sure it is the audio system? a sub?

First question to you, what you listening?
You an audiophile you shall know the next:
bluetooth? nah...
Online streaming? Spotify, google musik and those kind of things? May be a pure junk beside they claim hundreds of bits recording........... if there is no dynamics in the recording (inside in the math of the recording). Do not look in sampling rate, hear it!
At the same spotify in example I found Robert Palmer (in example) sounding like a rusted pail and the other brass band want to nock out my sub through the trunk door.......
you connected your phone to the car via usb? does your phone have a built in equalizer? or pre-amp or DAC maybe?
Have you tried CD's, SACD, or maybe audio DVD? Is any better?
On my home system still lacking dynamics compared to old vinyl...
You want to change B&O speakers? sorry man, I would explore other options first...B&O is a legend.
Try connecting that cellphone to a better Stereo or surround first - at home or visit a friend or some studio - and see how it sounds, the same songs you complain for B&O
this what I would do first and go from there

Last edited by bigHUN; Oct 16, 2017 at 06:47 PM.
Reply
AudiWorld Stories

Bringing Audi to Life for Audi Fans

story-0

New Audi A6 Allroad Is The Market's Coolest Wagon: 9 Things to Know

 Pouria Savadkouei
story-1

10 Strangest Audi Designs That Actually Made Production

 Joe Kucinski
story-2

2027 Audi Q7 and SQ7: Audi Upgraded EVERYTHING!

 Michael S. Palmer
story-3

Audi Unveils Absurdly Cool New Supercar: 10 Things You Need to Know!

 Verdad Gallardo
story-4

The Highs & Lows of Every Audi C-Class Generation

 Joe Kucinski
story-5

Top 10 Most Expensive Audis Ever Sold on Bring-A-Trailer

 Brett Foote
story-6

10 Audi Features & Options We Miss the Most!

 Joe Kucinski
story-7

Audi Recreates Crazy-Looking Speed Record Breaker From 1935

 Verdad Gallardo
story-8

Coachbuilder Recreates the 1995 Audi TTS Concept

 Verdad Gallardo
story-9

Every Audi V10 Car Ranked!

 Joe Kucinski
Old Oct 16, 2017 | 06:54 PM
  #9  
rsilvers129's Avatar
AudiWorld Senior Member
10 Year Member
 
Joined: Mar 2014
Posts: 1,292
Likes: 9
From: MA
Default

We have Audis so they can read music off SD card. Reading off USB does not use a DAC in the phone. Vinyl is not more dynamic than digital. SACD and DVD audio does not sound better than CD anywhere, but especially in a car. Bluetooth is not good. XM is terrible.

The bass in the car is marginal, so the sub is the best single thing to upgrade.
Reply
Old Oct 16, 2017 | 07:08 PM
  #10  
bigHUN's Avatar
AudiWorld Member
 
Joined: Nov 2016
Posts: 231
Likes: 1
From: L4G7X4
Default I need to open the perspective a little bit

Happened through years, my house friends know I am kind of a Pink Floyd fan,
so for birthdays....I got one vinyl, one DVD, one SACD, a same album...
When I got my B9, of course I want to listen my favorite music wherever I go.
From a cell phone, LG G3 connected with a usb...it was terible sound.
I got home, and started switching my amp (2.5K Marantz surround amp with 5K Dynaudio speakers) between a turntable, DVD, SACD, some torrent download to HD, a droid streaming box running both Spotify and google music and my cellphone...
guess what?
my LG G3 (at first time a pretty decent phone with a pretty decent camera) sounded like a piece of junk....
even my droid streaming box have a pre-amp and the same spotify song was kind of acceptable
For first step you try some DAC or a portable headphone pre-amp, cheaper and your audi speakers may give you a sound you can accept...
Option #2
Switch to a phone with built in equalizer (hardware and not app).

Last edited by bigHUN; Oct 16, 2017 at 07:20 PM.
Reply



All times are GMT -8. The time now is 08:58 AM.

story-0
New Audi A6 Allroad Is The Market's Coolest Wagon: 9 Things to Know

Slideshow: Audi's latest A6 Allroad gets RS-style fenders, real off-road hardware, and enough personality to stand out in a market obsessed with crossovers.

By Pouria Savadkouei | 2026-06-16 17:31:52


VIEW MORE
story-1
10 Strangest Audi Designs That Actually Made Production

Slideshow: 10 strangest Audi designs that actually made production

By Joe Kucinski | 2026-06-10 16:32:29


VIEW MORE
story-2
2027 Audi Q7 and SQ7: Audi Upgraded EVERYTHING!

Slideshow: Everything you need to know about the 2027 Audi Q7 and SQ7

By Michael S. Palmer | 2026-06-09 06:02:56


VIEW MORE
story-3
Audi Unveils Absurdly Cool New Supercar: 10 Things You Need to Know!

Slideshow: Limited to just 499 units, the 987-horsepower halo car signals a new chapter for Audi performance.

By Verdad Gallardo | 2026-06-04 17:37:15


VIEW MORE
story-4
The Highs & Lows of Every Audi C-Class Generation

Slideshow: The highs and lows of every Audi C-Class generation.

By Joe Kucinski | 2026-05-27 16:05:50


VIEW MORE
story-5
Top 10 Most Expensive Audis Ever Sold on Bring-A-Trailer

People were more than happy to shell out big bucks for these cars.

By Brett Foote | 2026-05-27 15:32:23


VIEW MORE
story-6
10 Audi Features & Options We Miss the Most!

Slideshow: 10 Audi features and options we miss the most.

By Joe Kucinski | 2026-05-12 19:33:47


VIEW MORE
story-7
Audi Recreates Crazy-Looking Speed Record Breaker From 1935

Slideshow: Audi has recreated one of the wildest machines of the pre-war speed-record era, reviving a streamlined V16 racer that originally exceeded 200 mph in 1935.

By Verdad Gallardo | 2026-05-11 09:49:34


VIEW MORE
story-8
Coachbuilder Recreates the 1995 Audi TTS Concept

Slideshow: A Dutch coachbuilder has reimagined the original Audi TT by finishing what the 1995 concept only hinted at.

By Verdad Gallardo | 2026-05-05 15:17:58


VIEW MORE
story-9
Every Audi V10 Car Ranked!

Slideshow: Ranking every Audi V10 road car

By Joe Kucinski | 2026-04-29 16:11:56


VIEW MORE