Garage
Shop

Customer Ratings & Reviews


Sonic Sub Boxes 6x9 PORT thumbnail image
View product page

5 star
89%
4 star
5%
3 star
5%
2 star
0%
1 star
0%



Durability
4.6
Value
4.8
Features
4.8
Design
4.7
Usability
4.8

Customer Reviews

Sort by:

Loading...

Unbelievable (with modification) vs the generic wedge box

This is an awesome deal for the price. I had the generic wedge .1cuft 6x9 box for awhile, and every time bass would hit, the speakers would distort (running Pioneer T-D6902R at 50watts) and cut out the mid-range sound. These are great speakers so I knew it wasn't their fault they were distorting. So I decided to get a larger box. This is just about the largest pre-built 6x9 box you can find (.358 cuft according to my measurements). Unfortunately it does have some issues. First it doesn't come with internal wires (not a problem, I had plenty of wire and plugs) and the "port" is misleading. First of all its not 2" diameter, its more like 1.75". Also the plastic has the strength of an egg shell, expect it to break as the gill was broken out of the box. And in a box that is .35cuft with that size of a port, it is tuned at 75'ish Hz.. And believe me it showed when I first installed the speaker. As soon as it went below that frequency the woofer lost its back pressure (and sounded horrible) due to the port size. It was acting like it was sitting in free-air. So I decided to extent the port. I bought 1.5" PVC pipe and put 7 inches of pipe into the port making it flush with the top. The pipe was a perfect fit within the port, showing it is not 2" as the descriptions claims. Well at .35 cuft with my new 7" 1.5 diameter port it is now tuned to 41hz (lowest I could make it). Plus there is only about a half to a quarter of an inch of space below the port and the base of the box (restricting airflow into the port) so it acts a lot like a sealed case. The speakers hit down to 30hz even though the box is not tuned for it. After I had done this the 2 6x9's rival my JL 8W3 subwoofer (running at 200 watts) for bass, plus they don't distort any midrange at all now when the bass hits. Sorry for the long review, I just wanted to let yall know how good of a box this is (with modifications). It will blow the top of any 6x9 in a wedge box will allow your 6x9 to perform at its best.

By Patrick on July 31, 2011

20 found this helpful


Awesome choice

I bought this box at a great price, and also because they seemed to be the only option made to fit my car perfectly. My subs sound great in this box, the design is perfect, definitely go with a ported box! The subwoofer terminals are a good design and easy to use, they're not those cheap, easily breakable clip type. This box says heavy-duty. Great for the application. I have 2 10" Infitys in it at 300w a piece & they sound incredible. Buy this box!

By Zach on February 3, 2011

13 found this helpful


Slammin BOXES!

These ported boxes make a huge difference over the smaller sealed wedge shaped boxes. I have a pair of JL AUDIO VR series 6 X 9 's which are amazing speakers by the way! Anyway I had them mounted in a pair of the sealed wedge boxes and they sounded great with excellent mids and highs and pretty decent lows. However I had a sneaky suspicion they could play allot lower and louder in some ported boxes. So I ordered up the larger ported boxes here at Sonics website. And OH BOY what a difference a box makes!! I have them placed in my hatch of my little Honda civic facing the glass just like my old subs used to when I had them. And man do they ever hit for a pair of 6 X 9 's. They may not hit as hard as a pair of tens but they certainly put out enough bass and play low enough to satisfy me. A co-worker actually thought I had subs running in the back. He was shocked when I popped the hatch to reveal two 6 X 9 's. By the way the build quality is pretty good considering the price. They definitely could have been sealed better on the seams on the inside. I am going to take mine back out and run some silicone or glue in the seams to seal it better. But even so these boxes make your speakers sound amazing!! You won't be disappointed!!!

By Chrome1275 on November 22, 2009

12 found this helpful


Increased bass!

Compared to a set of smaller enclosures I previously used, these boxes substantially improved the bass quality of the speakers in my 1973 Corvette. I am very happy with them.

By RD on June 2, 2011

11 found this helpful


true fit

had some old 6-9 speakers that fit just fine in this encloser and they
soud great.

By dave on April 10, 2012

10 found this helpful


Sonic Sub Boxes 6x9 PORT

I would recommend this product as well made and quality construction throughout. It is all that I expected and more.

By NAC on October 24, 2011

10 found this helpful


BASSSSSS

This box gives out some hella bass when I hooked it up to just one of my Kenwood 500 watt 5 way the bass thumped so loud I only got one thought I would get another but thats okay gonna get another one soon for my other 6x9 Kenwood

There was only one problem and that was that when I got it the cheap plastic cross whatever things had broken off but thats okay I just finished it off and it looked even better other than that get it will def thump louder if your looking for bass

By Matt on April 11, 2011

10 found this helpful


Great Product

Great product. Good construction. Very sturdy. The only fault I had was the plastic mesh infront of the little port broke off. NOT A PROBLEM though. I like my ports unrestricted anyway so i broke off the rest.

By King Spot on January 6, 2011

10 found this helpful


Great Deal

Great box really made the MTX 6x9 sound great

By JT on September 5, 2010

10 found this helpful


Great ported boxes!!

You can't beat these ported 6X9 boxes for the money. I doubt you could build them yourself for this price anyway? I was basically looking to get some extra bass out of my JL audio 6X9's and these little boxes answered my call. Its like night and day going from the standard wedge boxes to these. Its actually pretty amazing how low a pair of 6X9's can play in a ported box. If you have the room in the back of your vehicle then I highly recommend the ported boxes verses the sealed wedge ones!

By Shankapotamus on May 17, 2010

10 found this helpful


nice enclosure

the box is built well, but the port tube could be made MUCH BETTER.

By don on August 31, 2011

9 found this helpful


Great speaker boxes

We purchased a set of these to demo speakers at car shows. The boxes are well made with thick wood product and good porting for that extra low sound. A good deal for a good product.

By Retro Radio on January 22, 2012

8 found this helpful


Awesome boxes

Bought these ported sub boxes for two 6x9 speakers.
Boxes shipped with a generous amount of foam packaging peanuts. Boxes were not damaged in any way. They fit my speakers great!

By wstrika on December 18, 2011

7 found this helpful


Solid box

These are awesome for the price. Using with cheap RF speakers in my firebird hatch they give a nice low frequency range. I didnt want to take up all of my trunk with subs but wanted better than stock low end and thump. This has been a great compromise. These boxes are sturdy, don't look sloppy or homemade and are sealed pretty well. As I suspected the port opens the sound up a lot.

Recommended.
I will be upgrading to some higher quality speakers to put in them most likely.

By Ben on October 4, 2011

7 found this helpful


Sonic Sub Boxes 6x9 PORT

The boxes are nice and solid, but the plastic port grills are very thin and one was broken in shipping and when I bearly touched the other to mount the speakers and it broke.

By Mark on June 13, 2011

7 found this helpful


great sound

Has great bass with just regular arc audio 6x9s

By kevin on February 23, 2011

7 found this helpful


Awesome product!

I would recommend these to anyone. My car only had 2 speakers in the front doors and that wasn't enough to listen to any music rolling down the highway with the windows down. I bought these and threw my jvc's in them and they sound great. I definitely recommend paying the little extra and getting these cause of the ports. it helps a lot and gives them more bottom end.

By James on January 19, 2011

7 found this helpful


Tom

The boxes help the speakers sound good. The only problem I had with them was the port tubes break off easily.

By Tom on May 29, 2011

7 found this helpful


Success

Replaced my aging aftermarket system in my Cherokee with a JVC KDR 610 HU, a pair of Pioneer 2 way 5.25" speakers for the front doors and a pair of Pioneer TS-A6973R 3 ways for the back in the standard "wedge" enclosures. I was extremely dissappointed with the terrible sound I was getting from the 6 x 9's. They sounded like they were in a tin can and distorted heavily at a flat setting and 1/2 volume!!!I know they can put out better sound than what they were....over 25 years ago when I was a teenager I had 6 x9's in the back of a Pinto and they sounded great....and with technology advancing,these new ones HAD to sound better than the old school ones.... So I ordered these bigger ported boxes from Sonic HOPING that it would give me the sound I was looking for. Mounted them as soon as they arrived and they have made a HUGE difference!!! The speakers boom as they should with clear crisp sound at high volumes. I am now very happy with my setup.
Delivery was on time and the product arrived in good shape. The only drawback was the freight costs dbled the cost of the boxes.....but it was all worth it. These boxes make your 6 x9's sound 1000x better than they do in the small wedge enclosures.

By T on January 17, 2011

6 found this helpful


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

1973 Fiat 850

2011 Jeep Grand Cherokee

2007 Audi A6

2007 Mazda 3

2010 Mitsubishi Galant

1990 Mitsubishi Eclipse

2007 Mazda B3000

2016 Porsche Macan

2008 Lexus LS460

2014 MINI Cooper

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.