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What happens when you combine years of product design with ultimate material quality? The perfect sub box! Our dual 15" transmission series enclosure ideal for mid to high end subwoofers and features a patent pending vent design that simply cannot be found elsewhere. So what is so special about the port? If you were to cut open the enclosure you would notice a snake like shape that channels the airflow from the interior of the box outward. The purpose of this is to tune the frequency of the enclosure and also increases the back pressure to create the absolute maximum bass output! This baby is made from 3/4" MDF wood all around so you know it is one tough hard hitting bass machine!
You will not only see a difference in the quality of the boxes we build, but you will hear the difference and that is what is it is truly all about.
Our boxes are made from precision cuts of MDF. They are then liquid nailed, nailed and completely sealed. We then wrap them with high quality carpet that matches most vehicle interiors. All Boxes feature high grade spring loaded terminal cup(s) for the absolute best connection possible. All the custom series enclosures are made to fit precisely into your vehicle to the get the max performance from every extra inch of wasted space.
Specifications:
- Dual 15" Vented Sub Box
- Mounting Depth: 16"
- Air Space: 3.60 Cubic Feet Per Sub
- Dimensions: Width 42-1/4" x Height 19" x Depth 22"
- Vented design allows for maximum output
- Constructed with High Quality MDF
- High Quality Binding Terminal Cup (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA')
- High Quality Gray Carpet
Zinder J.
Reviewed in the United States on March 28, 2025
Nice size box. But the box I received was not sealed good box was coming apart. With that I really think it would has been a great box for my speakers.
Cameron
Reviewed in the United States on April 19, 2025
Says it's 3.6 cuft more like 2.2 cubic ft per sub... Also couldn't fit a bigger 15 in there like intended. Plus after maybe a week of bumping the box blew apart because there wasn't any screws really in the thing cheap made and thrown together
Kyle Hreha
Reviewed in the United States on April 3, 2023
When I started to plan my home theater build, I knew I wanted a cabinet that was as close to a JBL T-Line PA sub enclosure as possible. THIS cabinet was as close a match as I could find and I have been extremely happy.It's a massive, HEAVY beast even when empty. Throw in a couple B&C 15 inch subs and you have to use a two wheeler to move it any further than three inches. I'm a big guy and even I struggle to move this thing. The cabinet is well constructed, and the front firing ports to work as intended. The terminal connections are some of the best I have seen. They offer a couple different ways to connect your drivers internally and externally with varying post options. I opted to connect with 10awg OF copper wiring. The B&C 1700 watt subs fit perfectly and required no extra modifications to make them fit.This only thing you'll want to do with your cabinet is install some baffling material to cut down on the hollowness of the box. This is not a design flaw - I'm certain this was intended so the owner could tune the box to their liking. I found this out right away when I cranked up my subs... tons of boomy and hollow bass. Installed some baffling like what's in my vintage Cerwin Vega floor standing speakers and the boom went away. Nothing but smooth, "horse kick ya" in the chest bass. I will be selling all of my powered subs as I will no longer need them.*This sub box*Two B&C 15SW115 4 ohm drivers (1,700 nominal watts a piece)*2 1.5 ft 10 awg OF copper for connections*1 Crown XLi3500 amplifier pushing 1,350 watts to each B&C driver*2 25 ft lengths of 10 awg OF copper from amp to banana connections at enclosure*House shifting 3 feet to the North during first week of operation :)
Aaron B.
Reviewed in the United States on December 12, 2022
Honestly didn’t expect much when i ordered This box, but yooooo!!! This is the nicest and best functioning prefab box that I’ve ever seen and heard! Over 7cu ft total with dual t-line slot ports… this sucker weighs every bit of 80-90 lbs maybe more. Only change i would Make is for the subwoofer cut outs to be on top, where the terminals are actually at. Not a big deal, strictly for aesthetics and inverting the subs and keeping the port firing toward the rear.
Kyle
Reviewed in the United States on August 30, 2020
Two skar 3k peak subs with two Rockville 3k amps, xs power xp2500 secondary battery, 220 amp stock police interceptor alternator and it blew out the wall of one of the ports. I repaired with wood glue and screws but the box is put together with only glue it seems. I saw a review where the dude ripped off the carpet and added a layer of wood all the way around with wood glue and screws. I may do that before I upgrade or if the box blows apart. Decent box for a prefab and it is large, it just barely fit in my crown vic. One other thing is one of the speaker terminals on the box is rattling apart and I'm close to removing them and patching with a piece of wood then just use nuts and bolts instead. Overall still easier than fabricating from scratch, it does the job for a trunk build. I will update if it fails or I decide to modify the box.
Self-Motivated
Reviewed in the United States on June 26, 2020
Impressive. Will likely arrive with some dings and dents but still functional. I suggest ordering and installing handles as I did and have done to all of my dual boxes. I also replaced the speaker terminals with those from SMD however you could just install copper bolts, washers and nuts available from ebay and drill small holes into side of box essentially making your own SMD terminals which mine didn't even use copper ($19.99). I would also add speaker corner protection things. Or rip off carpet and roll on some type of durable bed liner which is my preferred enclosure coating. I had to widen my speaker holes for my Skar 15" VXFs using an angle grinder and a steady hand. Better quality wood than my Q-Bomb box from Q Power.
Flip153
Reviewed in the United States on February 25, 2020
Great box. I just wish they used something thicker for the front baffle. Box is huge. Sounds good. I did have to cut the holes a little bigger for the American Bass XFLs to fit. Barely fit in my crown vic.
David n
Reviewed in the United States on April 5, 2019
Great for crown Vic’s/ marquis! I have custom made 15’s- hcca’s motors on FI sp4 baskets 5 layer spider pack ,pure sound double rollsurround on thick pulpy paper cone. My subs surrounds stick out rather far and subs are 80 lbs each so I mounted them face up till I get help to face them toward the rear bumper but the box fits even with a 3/4 partical board I have laying on the bottom of the trunk. Hits the super lows great!! I have lots of money put into a 390 amp alternator big 3 done and a XS Power d7500 pushing 2-2 channel amps and a AP3000 amp for my subs. Even though I’m running the subs at half power it sounds great especially the lows. Had to sand the holes but beats building a box. Once I upgrade I’ll just put screws into the box. Make sure you have the room!
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