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expiredHuntinBarginz posted Nov 19, 2021 08:22 AM

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expiredHuntinBarginz posted Nov 19, 2021 08:22 AM

JBL GX Series 12" Single-Voice-Coil 4-Ohm Subwoofer

+ Free Shipping

$30

$130

76% off

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Best Buy via eBay has JBL GX Series 12" Single-Voice-Coil 4-Ohm Subwoofer (GX1200) for $29.99. Shipping is free.

Thanks to Community Member HuntinBarginz for finding this deal.

Best Buy has JBL GX Series 12" Single-Voice-Coil 4-Ohm Subwoofer (GX1200) for $29.99. Shipping is free, otherwise free curbside pickup is available where stock permits.

Features:

Handles up to 1000W peak power (250W RMS)
35 - 200Hz frequency response
90dB sensitivity
11" mounting diameter; 6" mounting depth
12" passive subwoofer
4 ohms impedance

Editor's Notes

Written by powerfuldoppler | Staff

About this deal:
- This price is $100 lower (76% savings) than the list price of $129.99.
About this product:
- Rating of 4.7 from over 300 Best Buy customer reviews.
About this store:
- At Best Buy: When purchased now through Jan 2, you can return this item anytime until Jan 16 (details).
- Information about eBay returns here.

Original Post

Written by HuntinBarginz

Handles up to 1000W peak power (250W RMS)
35 - 200Hz frequency response
90dB sensitivity
11" mounting diameter; 6" mounting depth
12" passive subwoofer
4 ohms impedance

Editor's Notes

Written by powerfuldoppler | Staff

About this deal:
- This price is $100 lower (76% savings) than the list price of $129.99.
About this product:
- Rating of 4.7 from over 300 Best Buy customer reviews.
About this store:
- At Best Buy: When purchased now through Jan 2, you can return this item anytime until Jan 16 (details).
- Information about eBay returns here.

Original Post

Written by HuntinBarginz

Price Intelligence

Model: JBL - GX Series 12" Single-Voice-Coil 4-Ohm Subwoofer - Black

Deal History

Sale Price

Slickdeal

$NaN

Today

Post Date	Sold By	Sale Price	Activity
11/25/23	Best Buy	$40	2
11/17/23	Best Buy	$40	0
11/11/22	Best Buy	$30 Frontpage	132
08/06/22	Best Buy	$30	4
11/16/20	Best Buy	$30	2
10/29/20	Best Buy	$30	0

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Top Comments

Slickd3aler

6069 Posts

976 Reputation

I found this one on sale as well:

https://www.bestbuy.com/site/kenw...Id=6197109

WillieDynamite

810 Posts

142 Reputation

HoverBOSS time!!!

https://www.avsforum.com/threads/...r.3174695/

wakkoss

2107 Posts

417 Reputation

You would need a box for it and an amplifier minimum. You may need either a head unit or an adapter to use it with your OEM unit. Depending on your needs, this method may not be for you. One or two 12s would absolutely slam, but a self contained 8" or maybe 10" setup would still sound great. What kind of vehicle and music you running?

98 Comments

LEOMHK1.0

Nov 19, 2021 11:51 PM

9,162 Posts

Joined Dec 2014

LEOMHK1.0Nov 19, 2021 11:51 PM

9,162 Posts

Quote from James Mason

Can I Use your quote on the Woot forum?

Sure...Why not...

I thought you were gonna ask if you could use it as your doorbell chime.

4fit?

Nov 20, 2021 12:00 AM

1,525 Posts

Joined Mar 2007

4fit?Nov 20, 2021 12:00 AM

1,525 Posts

Quote from BobbyEsco

anyone tried using these for a home theater?

Yes, lots of folks are running MANY multiples of these in their theaters. And of course, they are the go to at this price for BOSS or HoverBOSS setups.

https://www.avsforum.com/threads/...y.2932574/

timta2

Nov 20, 2021 12:05 AM

2,163 Posts

Joined Nov 2010

timta2Nov 20, 2021 12:05 AM

2,163 Posts

Quote from BobbyEsco

anyone tried using these for a home theater?

Home speakers are typically 8 Ohm. So it depends on the amplifier you're using or planning on using. For home theater I would try to spend more than $30 on a sub.

fishyx

Nov 20, 2021 12:20 AM

8,038 Posts

Joined Feb 2012

fishyxNov 20, 2021 12:20 AM

8,038 Posts

I'm from the old school car audio days in the late 80's/early 90's but have gotten really old. Currently run a single 10 these days but picked up a Scosche 12" box (1.25 sealed) for $13.00 about a year ago just in case I ran across a good deal on a decent 12" sub. Been out of the game for a long time so I'm wondering if this JBL would sound decent in a 1.25 sealed box? Will be driving it with an old Hott-setup/Orion 2.125 which kicks out around 500 watts bridged. Also could run it with an old Rockford Punch 150.

G_man

Nov 20, 2021 12:22 AM

20 Posts

Joined Aug 2019

G_manNov 20, 2021 12:22 AM

20 Posts

In the trunk in this box sounds real real nice. Q Power QBOMB12VL SINGLE Single 12-Inch Side Ported Speaker Box with Durable Bed Liner Spray https://www.amazon.com/dp/B00NG38...UTF8&psc=1

BobbyEsco

Nov 20, 2021 12:30 AM

101 Posts

Joined Mar 2018

BobbyEscoNov 20, 2021 12:30 AM

101 Posts

Quote from lottathought

This is most often used in a car. You could use it in a home. Yes, it requires a box. The key is matching the right amp. Most home amps are rated at twice the resistance and would blow this easily. Personally, I have always preferred 10 to 12. 10 takes less airspace (you need to start doing a lot of study on airspace. You starve this for air and you are not going to like the sound.), is more precise than a 12 and delivers plenty of low end. As with everything though, that is a sliding scale and depends on both the quality of sub and entire setup.

If I combine two of this can I still use with home amp?

holysin

Nov 20, 2021 12:30 AM

2,621 Posts

Joined Jan 2004

holysinNov 20, 2021 12:30 AM

2,621 Posts

Quote from lottathought

Small correction on which part will break here: a home amplifier rated at 8 ohms would actually have more trouble even driving the 4 ohm load unless it is a high-class amplifier so you may actually blow your amplifier rather than your speaker without two of these being wired as an 8ohm load. (this is rated at 250 RMS with an insane max, that would mean in an 8 ohm home theater amp would need to be rated above ~150WPC* to reasonably supply a consistent 250w @4ohm let alone hitting he 1000 max rating which is unlikely for people to have who are even considering a 30 dollar woofer.)

*Don't know why it is but amps that support both 8 and 4 ohm loads never have doubled four loads, I'd guess it's not truly linear...

BobbyEsco

Nov 20, 2021 12:34 AM

101 Posts

Joined Mar 2018

BobbyEscoNov 20, 2021 12:34 AM

101 Posts

Quote from 4fit?

Yes, lots of folks are running MANY multiples of these in their theaters. And of course, they are the go to at this price for BOSS or HoverBOSS setups.

https://www.avsforum.com/threads/...y.2932574/

Did he use all subs in his HoverBOSS setup? The thread sounds a bit confusing

DrParnassus

Nov 20, 2021 12:36 AM

327 Posts

Joined Jul 2014

DrParnassusNov 20, 2021 12:36 AM

327 Posts

The most important question. Which one's better the JBL or the Kenwood on sale

08b6e22f-c7c3-49b9-8fdf-f1b421

Nov 20, 2021 12:54 AM

1,807 Posts

Joined Sep 2005

08b6e22f-c7c3-49b9-8fdf-f1b421Nov 20, 2021 12:54 AM

1,807 Posts

[QUOTE=ChiragC;151182646 i'm guessing $29.99 isn't going to be the only thing i'm spending to complete this setup?[/QUOTE]

Sure it is!

(As long as you already have an amplifier powerful enough to pump closer to 250w RMS...ie. continuous power, not peak power...and also have the super thick power cable running from the battery to the amp...and good speaker wire.... and an enclosure for the sub... etc)

That being said, this is a garbage sub, if you want amazing bass. It's a single coil vs a dual coil...which also limits your wiring options for power output (think ohms)... and it's only 250W (RMS).

You can easily get a QUALITY dual voice coil, 500-800W RMS sub for $100. Your ears and jiggling body will thank you.

Especially since the sub is the cheap part of the setup. An amp is way more expensive.

BlueTangClam

Nov 20, 2021 12:58 AM

256 Posts

Joined Jun 2007

BlueTangClamNov 20, 2021 12:58 AM

256 Posts

Quote from holysin

That's because the rail voltage would sag with a higher load. Unless the rail voltage is regulated, no Amp will double the power. And in the case of receivers with 8 or 4 ohm switch the rail voltage is actually reduced to prevent overheating. Oftentimes it is reduced so much that it's recommended to just leave it at the 8 ohm setting and watch the temperature.

superkaz661

Nov 20, 2021 12:59 AM

1,024 Posts

Joined Jan 2008

superkaz661Nov 20, 2021 12:59 AM

1,024 Posts

Quote from HuntinBarginz

As long as the power from the personus is not more than the rated watts of the JBL it should work just fine.

JBL is rated 250 watts RMS.

No. They will also need to look at the resistance of the existing driver. As another consideration, your screw holes may not align right out of the box but that's nothing a drill can't handle.

Last edited by superkaz661 November 19, 2021 at 05:17 PM.

BlueTangClam

Nov 20, 2021 01:03 AM

256 Posts

Joined Jun 2007

BlueTangClamNov 20, 2021 01:03 AM

256 Posts

Quote from sleepyrx

Sure it is!

(As long as you already have an amplifier powerful enough to pump closer to 250w RMS...ie. continuous power, not peak power...and also have the super thick power cable running from the battery to the amp...and good speaker wire.... and an enclosure for the sub... etc)

That being said, this is a garbage sub, if you want amazing bass. It's a single coil vs a dual coil...which also limits your wiring options for power output (think ohms)... and it's only 250W (RMS).

You can easily get a QUALITY dual voice coil, 500-800W RMS sub for $100. Your ears and jiggling body will thank you.

Especially since the sub is the cheap part of the setup. An amp is way more expensive.

DVC is overrated. I prefer SVC.

OmahaJeff

Nov 20, 2021 01:20 AM

768 Posts

Joined Jan 2011

OmahaJeffNov 20, 2021 01:20 AM

768 Posts

Quote from BobbyEsco

If I combine two of this can I still use with home amp?

Yes, if you wire them in series then the resistance will be 8ohms. The problem with that approach is that the individual power requirements for both speakers still remain. With an inadequately powered amplifier and/or speaker wires that are too thin the Best case scenario is that it works but sounds muffled and has lower relative volume than the rest of your stereo system. Worst case is you damage your amplifier. 📻🔊🔇🙊

A quick Google search found this site of your average audiophile who does a pretty good job of explaining common wiring configurations.

https://geoffthegreygeek.com/how-...amplifier/

Last edited by OmahaJeff November 19, 2021 at 05:23 PM.

BursaliOzer

Nov 20, 2021 01:26 AM

702 Posts

Joined Nov 2008

BursaliOzerNov 20, 2021 01:26 AM

702 Posts

Bought the Kenwood sub and Kenwood front and rear door speakers all for under $100.
Should be better than stock with amp for speakers and another amp for sub.

Unregistered (You)

Autos Tech & Electronics Audio / Video Speakers JBL Best Buy

JBL GX Series 12" Single-Voice-Coil 4-Ohm Subwoofer

$30

$130

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JBL GX Series 12" Single-Voice-Coil 4-Ohm Subwoofer

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