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post #1 of 10 (permalink) Old 06-28-2018, 03:42 PM Thread Starter
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post #2 of 10 (permalink) Old 06-28-2018, 10:28 PM
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post #3 of 10 (permalink) Old 07-06-2018, 12:53 AM
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post #4 of 10 (permalink) Old 07-06-2018, 06:20 AM
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Originally Posted by MZ6Alex View Post
Hello all! Just got my 6 Signature a couple of weeks ago and it's been great so far! I came from a first gen 3 so this is quite an upgrade. I focused a lot on audio and electronics in my 3 and will likely be doing some similar upgrades with my new 6. I have a large background in vehicle infotainment and electronics both professionally and personally, so you'll likely find me posting around the electronics-related sections of the forum. Hope to share and gain some knowledge here! If anyone has any questions about the 6 Signature feel free to let me know!
What is your feelings on the Signature’s Bose stereo system?
I was considering some form of upgrade, maybe a quality subwoofer or upgrading the speakers.
My issue is that I don’t want to change out the head unit or have anyone digging around the dash.
Is it worth the speakers and subwoofer upgrade?

Also, with no CD player, what format of music do you find gives the best clarity and original music integrity?
Spotify, Siri’s/XM and files from phone are so compressed - the sound quality is poor.
Find myself listening to mostly local FM.
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post #5 of 10 (permalink) Old 07-06-2018, 10:34 PM
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Originally Posted by Floridasignature View Post
What is your feelings on the Signatureís Bose stereo system?
I was considering some form of upgrade, maybe a quality subwoofer or upgrading the speakers.
My issue is that I donít want to change out the head unit or have anyone digging around the dash.
Is it worth the speakers and subwoofer upgrade?

Imo, the best upgrade to get the most out of it would be to add an amp. Best speakers/sub in the World are no good without adequate power.

Also, with no CD player, what format of music do you find gives the best clarity and original music integrity?
Spotify, Siriís/XM and files from phone are so compressed - the sound quality is poor.
Find myself listening to mostly local FM.

I'm a little behind the times when it comes to most of the different options but my Daughter recently downloaded some songs on a thumb drive and they sound pretty good. That's coming from someone that thinks the Sat radio sounds pretty good. The thumb drives are fairly inexpensive also.
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post #6 of 10 (permalink) Old 07-12-2018, 04:47 PM
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Quote:
Originally Posted by Floridasignature View Post
What is your feelings on the Signatureís Bose stereo system?
I was considering some form of upgrade, maybe a quality subwoofer or upgrading the speakers.
My issue is that I donít want to change out the head unit or have anyone digging around the dash.
Is it worth the speakers and subwoofer upgrade?

Also, with no CD player, what format of music do you find gives the best clarity and original music integrity?
Spotify, Siriís/XM and files from phone are so compressed - the sound quality is poor.
Find myself listening to mostly local FM.
Without question it would benefit from decent aftermarket speakers and a dedicated sub. While I had moderately-high hopes with this system when I first got the car, as I listen to it more and more I only start to become further disappointed unfortunately. Here's the thing, my general feeling for this system is it's for most people who don't really care too much about audio but still what something better than average. It's definitely better than most standard systems you'll find in other vehicles, but at the same time it's not exactly a Harman/Kardon system either. I'd have expected something comparable for the vehicle's value frankly. This system is more of a mid-range system in terms or sound quality, rather than a mid-high end system like I would've expected (high-end being B&O, Mark Levinson. etc). The biggest annoyance I have with the system is the fact the subs are basically in the front doors. This causes the doors vibrate a lot and it's not going to take long before the rattles start. There should have been a sub in the rear deck or underneath the seats at the very least. By all means though I certainly don't hate it, I just had higher expectations.

For your second question, music on a USB stick is the best option. The HU only supports MP3, WMA, AAC, and OGG though, and they're all lossy formats. You'll have to choose the one you like the most and rip your CDs to 320kbps VBR if you want to retain the most fidelity possible. Personally though I don't find audio from Spotify to be that bad as long as you set the bitrate to "extreme" (sets it to 320kbps internally). Bluetooth or USB I don't seem to hear any quality loss due to the HU. The SXM tuner will always sound terrible over the air, and even worse depending on the station you're listening to. Actually in the Mazda6 it sounds a fair bit better than other cars I've heard. For better SXM sound quality use the Android/iPhone app. I do find it strange though you complain about sound quality and then say you mostly listen to local FM...

In general yes, it could be better. The system is definitely missing lows and a few layers of overall clarity. Put a decent aftermarket system in with a solid DSP and it'll likely sound great. You can probably retain output from the HU as well since I'm pretty sure the output to the amp is only 4x full-range, pre-amp level signals (RCA equivalent).
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post #7 of 10 (permalink) Old 07-12-2018, 05:03 PM
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Nice review although I wouldn't say Harman Kardon is perfect either. I test drove a BMW 435i with the high end HK and it soinded horrible. My 2016 Mazda 6 Bose sounded better. IMO

Automobile systems are generally built to a price point no matter who builds it. For instance the Bose Performance system Infinit uses is nice as is the Bose Panaray system in the Caddilac CT6.

I'm holding judgement in the 2018 Signature Bose system until it breaks in.

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post #8 of 10 (permalink) Old 07-12-2018, 08:07 PM
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Quote:
Originally Posted by MZ6Alex View Post
Quote:
Originally Posted by Floridasignature View Post
What is your feelings on the Signature’s Bose stereo system?
I was considering some form of upgrade, maybe a quality subwoofer or upgrading the speakers.
My issue is that I don’t want to change out the head unit or have anyone digging around the dash.
Is it worth the speakers and subwoofer upgrade?

Also, with no CD player, what format of music do you find gives the best clarity and original music integrity?
Spotify, Siri’s/XM and files from phone are so compressed - the sound quality is poor.
Find myself listening to mostly local FM.
Without question it would benefit from decent aftermarket speakers and a dedicated sub. While I had moderately-high hopes with this system when I first got the car, as I listen to it more and more I only start to become further disappointed unfortunately. Here's the thing, my general feeling for this system is it's for most people who don't really care too much about audio but still what something better than average. It's definitely better than most standard systems you'll find in other vehicles, but at the same time it's not exactly a Harman/Kardon system either. I'd have expected something comparable for the vehicle's value frankly. This system is more of a mid-range system in terms or sound quality, rather than a mid-high end system like I would've expected (high-end being B&O, Mark Levinson. etc). The biggest annoyance I have with the system is the fact the subs are basically in the front doors. This causes the doors vibrate a lot and it's not going to take long before the rattles start. There should have been a sub in the rear deck or underneath the seats at the very least. By all means though I certainly don't hate it, I just had higher expectations.

For your second question, music on a USB stick is the best option. The HU only supports MP3, WMA, AAC, and OGG though, and they're all lossy formats. You'll have to choose the one you like the most and rip your CDs to 320kbps VBR if you want to retain the most fidelity possible. Personally though I don't find audio from Spotify to be that bad as long as you set the bitrate to "extreme" (sets it to 320kbps internally). Bluetooth or USB I don't seem to hear any quality loss due to the HU. The SXM tuner will always sound terrible over the air, and even worse depending on the station you're listening to. Actually in the Mazda6 it sounds a fair bit better than other cars I've heard. For better SXM sound quality use the Android/iPhone app. I do find it strange though you complain about sound quality and then say you mostly listen to local FM...<img src="http://forum.mazda6club.com/images/smilies/confused.gif" border="0" alt="" title="Confused" class="inlineimg" />

In general yes, it could be better. The system is definitely missing lows and a few layers of overall clarity. Put a decent aftermarket system in with a solid DSP and it'll likely sound great. You can probably retain output from the HU as well since I'm pretty sure the output to the amp is only 4x full-range, pre-amp level signals (RCA equivalent).
Thanks for the input.
Think I will see a audio shop and upgrade the speakers and add an amp supported subwoofer in rear somewhere.
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post #9 of 10 (permalink) Old 07-13-2018, 07:29 AM
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Welcome to the forum!

We've got a few cool custom stereo builds on here somewhere that you might be interested on looking up. Can't wait to see what you do with yours!

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post #10 of 10 (permalink) Old 07-13-2018, 10:59 AM
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Quote:
Originally Posted by ocramida View Post
Nice review although I wouldn't say Harman Kardon is perfect either. I test drove a BMW 435i with the high end HK and it soinded horrible. My 2016 Mazda 6 Bose sounded better. IMO

Automobile systems are generally built to a price point no matter who builds it. For instance the Bose Performance system Infinit uses is nice as is the Bose Panaray system in the Caddilac CT6.

I'm holding judgement in the 2018 Signature Bose system until it breaks in.

Sent from my SM-N950U1 using Tapatalk
I agree HK is definitely not perfect either. But in terms of comparing bass response alone to the 4-series, HK blows this system out of the water. Just with the placement of the "subs" alone, it doesn't take much to understand why production of low frequencies from the doors is a bad idea (it's a cheap way to do it). In the 4-series (and basically all BMWs), the subs are mounted under the seats and vent into the cabin frame resonating the sound throughout it, so it doesn't take a large amount of power to achieve a level of bass efficiency I'm still baffled at how is truly accomplished. With that being said I also would be very curious to hear a HK system with an independent sub box like the Challenger has. Generally there's also a nice 7-band EQ to play with as well for HK systems if the sound isn't quite right for you. One I really wish the Bose system had too, but is a dead giveaway that this system isn't exactly a higher end one that Bose has to offer. The only knock I have on the HK system is that it tends to sound a bit tinny, but that can for the most part be corrected with the EQ.

And yes everything is built down to a price, unfortunately. I'm sure Infinity and Cadillac are shelling out much more money for the higher end Bose systems, and those oems generally advertise as high-end luxury brands compared to Mazda anyways. Maybe the system will break in more over time and sound better, or I'll have to find a new home for my MS-8.
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