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Bose system UPGRADE done !

LowUfo
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LowUfo Enthusiast

LowUfo

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2023 Sierra 1500 Elevation with Bose Premium system.  First, I'd like to thank all the people that have upgraded their systems, I've learned lots!

- Replaced rear speakers with JL Audio C1-650x coax

- Replaced front door speakers with JL Audio 690tx tr-ax speakers (Crutchfield says "does not fit", but it does.  Not sure if front door speakers are full range or not, but I had the speakers already, so I installed them

- Dash speakers are Pioneer TS-A709.  They work perfect, just cut off the high-pass filters.  You will still hear the phone, signals, etc.

- Still, no base, so I installed a Diamond Audio DPAS10   powered 10 inch subwoofer.   The wires to connect to are the blue/grey (left pos) and the Green/Black (left neg) wires, easily accessible on rear passenger side under the door sill .  I installed the Bass Control knob on the dash beside the upfitter switches previously installed.  Sub fits in the factory option under seat storage, held down with 4 strips of industrial velcro.  I  will be drilling some holes in the factory storage lid so the "lid rattle" is no longer a problem.  Photo below shows the sub install - room on passenger side and some room on driver's side for storage

- I'm still using the factory Bose amp and may replace it in the future, but the set-up so far ROCKS!

 

sub.jpg

Vincej138 Enthusiast

Vincej138

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Posted (edited)
2 hours ago, LowUfo said:

2023 Sierra 1500 Elevation with Bose Premium system.  First, I'd like to thank all the people that have upgraded their systems, I've learned lots!

- Replaced rear speakers with JL Audio C1-650x coax

- Replaced front door speakers with JL Audio 690tx tr-ax speakers (Crutchfield says "does not fit", but it does.  Not sure if front door speakers are full range or not, but I had the speakers already, so I installed them

- Dash speakers are Pioneer TS-A709.  They work perfect, just cut off the high-pass filters.  You will still hear the phone, signals, etc.

- Still, no base, so I installed a Diamond Audio DPAS10   powered 10 inch subwoofer.   The wires to connect to are the blue/grey (left pos) and the Green/Black (left neg) wires, easily accessible on rear passenger side under the door sill .  I installed the Bass Control knob on the dash beside the upfitter switches previously installed.  Sub fits in the factory option under seat storage, held down with 4 strips of industrial velcro.  I  will be drilling some holes in the factory storage lid so the "lid rattle" is no longer a problem.  Photo below shows the sub install - room on passenger side and some room on driver's side for storage

- I'm still using the factory Bose amp and may replace it in the future, but the set-up so far ROCKS!

 

sub.jpg

 

You mentioned "still no bass" But was it any better than before w/o the sub? I use my underseat a lot and dont want to lose the room. UPS dropped off dash and door speakers Friday though. Same dash, then Kenwoods for doors.

Edited by Vincej138
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LowUfo Enthusiast

LowUfo

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4 hours ago, Vincej138 said:

 

You mentioned "still no bass" But was it any better than before w/o the sub? I use my underseat a lot and dont want to lose the room. UPS dropped off dash and door speakers Friday though. Same dash, then Kenwoods for doors.

Stereo had to be turned up a bit to give the same volume level as original Bose speakers.   Yes, Bass was better, but still very weak.  I wanted the 10" powered sub to go under the passenger seat - I wasn't sure about hiw the rear heating du ts would affect the subwoofer.   How are you dealing with that?

Vincej138 Enthusiast

Vincej138

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4 hours ago, LowUfo said:

Stereo had to be turned up a bit to give the same volume level as original Bose speakers.   Yes, Bass was better, but still very weak.  I wanted the 10" powered sub to go under the passenger seat - I wasn't sure about hiw the rear heating du ts would affect the subwoofer.   How are you dealing with that?

 

Im a non-bose,  so then it should be noticably better for me im thinking. As far as the sub i was thinking about if one could fit into the lower storage hole underneath the middle jump seat on the customs. I dont believe you have that option though with the GMC. 

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LowUfo Enthusiast

LowUfo

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You should be ok.  My Elevation has the center console with the factory Bose speaker between the two bucket seats

  • 2 weeks later...
warddog New Member

warddog

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On 1/2/2024 at 7:10 PM, LowUfo said:

Stereo had to be turned up a bit to give the same volume level as original Bose speakers.   Yes, Bass was better, but still very weak.  I wanted the 10" powered sub to go under the passenger seat - I wasn't sure about hiw the rear heating du ts would affect the subwoofer.   How are you dealing with that?

You don't want to tap the rear doors. There's no good audio there. That what shops have been going for years, but they don't really know what theyre doing. You should look up these guys www.t-harness.com. I used then for my 21 Silverado. I barely have to move my volume and get really good bass. 

  • 1 year later...
Lehmann9 New Member

Lehmann9

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For those who want to know 2025 gmc serria bose system. I would have been happy with just replacing the dash speakers. Dash speakers and rear door speakers ohmed out at 3.8, front doors 2.1 ohms, i went with the crutchfeild recommendation infinity ref 2 ways front and rear doors, kicker 2 3/4 in the dash. Crazy how much difference there was so much clearer now. The bose had a deeper tone to them. 

66ss3964spd Enthusiast

66ss3964spd

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Posted

My '23 also has the Bose "Premium" 7 speaker system. I find it pretty underwhelming. Considering a speaker change.

 

For those who've done it, I assume the door panels need to come off to get to those, shouldn't be too challenging. But what's involved in getting to the dash speakers?

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redwngr Senior Enthusiast

redwngr

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2 hours ago, Dan H 2023 HC said:

My '23 also has the Bose "Premium" 7 speaker system. I find it pretty underwhelming. Considering a speaker change.

 

For those who've done it, I assume the door panels need to come off to get to those, shouldn't be too challenging. But what's involved in getting to the dash speakers?

 

Have played with the equalizer settings? 

Makes a big difference on my '23.

 

Of course the type of music and the source format matters too

66ss3964spd Enthusiast

66ss3964spd

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I have adjusted the EQ setting. While a bit better I feel it still doesn't live up to its "premium" billing.

 

It isn't terrible, and I'm not aiming for sound quality to rival my home system, but if a fairly easy speaker swap makes a big difference I'm inclined to check into it.

 

Agreed, the source can matter. I'm using only FM and XM.

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KinkyDuramax Enthusiast

KinkyDuramax

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Nice setup! I didn't go with all of that, I just added the Kicker subwoofer kit with the amp that comes with it, and that made the bose system wake up. Definitely don't need to upgrade the speakers after that. However, I've had an elevation in the past, the sound system is pretty ******. 

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dreisenauer Enthusiast

dreisenauer

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On 1/2/2024 at 12:53 PM, LowUfo said:

- Still, no base, so I installed a Diamond Audio DPAS10   powered 10 inch subwoofer.   The wires to connect to are the blue/grey (left pos) and the Green/Black (left neg) wires, easily accessible on rear passenger side under the door sill

What's the verdict on the Diamond Audio subwoofer after a year?  I was thinking Kicker from the dealer but if I can do this for less than half the price my wife won't be as mad at me :)  

LowUfo Enthusiast

LowUfo

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9 hours ago, dreisenauer said:

What's the verdict on the Diamond Audio subwoofer after a year?  I was thinking Kicker from the dealer but if I can do this for less than half the price my wife won't be as mad at me :)  

 I absolutely 110% love the Diamond Audio Sub!   Zero problems with it.   I installed the bass level knob up front on the dash - it adjusts bass level perfect.  I have the larger-option under storage seat box, the sub fits no problem.  It does take up a fair amount of room, but I still have quite a bit of storage available.   I highly recommend this sub!

 

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LowUfo Enthusiast

LowUfo

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On 2/28/2025 at 6:11 AM, Dan H 2023 HC said:

My '23 also has the Bose "Premium" 7 speaker system. I find it pretty underwhelming. Considering a speaker change.

 

For those who've done it, I assume the door panels need to come off to get to those, shouldn't be too challenging. But what's involved in getting to the dash speakers?

 The top piece of the dash is easy to remove.  I don't have any photos, but you can do a YouTube search or search on this site.

  • 2 months later...
Sparkygm New Member

Sparkygm

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I have a 2025 Silverado with out Bose.   Any advice on what I can do to make my speakers better.  Will swapping out just the door speakers and dash speakers help ? 

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