Customer Ratings & Reviews

Great subwoofer

This subwoofer has amazing bass for a shallow mount plus it's has a well built frame.

Poor quality

I had ordered a Kicker pk8 amplifier wiring kit and these were part of a package that only Sonic had offered. To put it shortly, one of the jacks was grounding out when I plugged it all the way in the RCA jacks in the headunit. It was causing a lot of doubts in the equipment in my system, but I got down to the root and these were the culprit. I contacted Sonic and they gladly replaced the with a set of StreetWire RCA's that worked just fine when I installed them. Thanks Sonic! But as far as these go, I wouldn't recommend them. Spend a little more and get some better ones.

Great

Installed this in a custom sealed box in my 350z and it sounds great. I had the old, thicker 12" Type R and this sounds just as amazing. I even installed this in the worst location (the compartment behind the driver's side seat in the 350z) and it still sounds awesome. Can't even beat the price anywhere else.

Great RCA Cable

I used this with a 5 channel kenwood amp and a pioneer head unit. worked like it should.

Blows easy

I bought this subwoofer a year ago and put it in my truck with the alpine pdx-m6. Both units run at 600w rms and I somehow blew the sub the same night. Granted my wiring might have been the problem. I then upgraded some wires and got another one. (No warranty) this then sounded great and was honestly a wonderful sub! I had it in a down firing box under my seat and if you stood outside of the truck you couldn't hear any obnoxious bass. But inside the truck everything vibrated crazy! But then it blew randomly one night at sonic, without being turned up. These shallow mount subwoofers aren't able to take the abuse as a regular subwoofer and although it sounds good the reliability isn't there.

Good sub

I had this sub installed in a 06 f150 supercrew under my back seat. This is a good sub and it sounded great. However for the price(currently 309.00) and the single voice coil config, I would recommend something else. I currently own a 2011 supercrew f150 and for the price of 1 of these subs, I was able to purchase 2 skar audio vd-10(10") subwoofers and a box for under the back seat. I must say these 2 dvc 10" subs have more wiring options than the Alpine. They also blow the single 12" away. Using an online port calculator I ported my current enclosure to around 35 hz and they sound incredible. They shake my truck like the Alpine never could. The point I am trying to make is that while Alpine has a great product, I believe that for the price, there are a lot more options out there. All it take is some patience and a little research.

Nice lil sub

Very happy with this product. Good for small spaces and surprisingly loud. Could not really fault this product. Perfect for what I wanted.

Love it

Love this woofer.

Solid Sub

Bought this sub to go in my truck due to lack of space. I have had Type R 12"s before and they sounded great. Props to Alpine for getting it right on the shallow mount. I have heard several shallows, and none compare. Just one in a small box hits pretty hard, it won't blow your mind but its a good sub. I would not pay what other places charge for this woofer, some up to 500, but for what its listed for here its a great deal when space is an issue. I will say the box and power are very important. I had it in a .4 cubic foot box and it sounded terrible, switched to a .75 box and it made a world of difference. Give it at least 500 watts rms too, trust me it needs it. Also, make sure to get a grill, although its constructed very well the cone will take dents very easily.

Great but be careful

Had these in a sealed box, the box cracked and they took some damage from that but they played on. Both blew about 6 months after owning them of hard playing. Ordered 2 more now if these blow again ill probably switch To something different but overall i like em. They hit hard enough for shallows. I have them wired to 2.3 ohm in series. They dont drop as much as they should and so they dont get as much power from my amp as they should. This brand new one i just got rattles when it plays already. But still plays fine.

Very clean bass

I am very pleased with the performance of this sub. I was skeptical about how good it would sound compared to a regular 12" and it totally exceeded my expectations. I am running it with an '10 Apline PDX M6. I built the enclosure to manufacturers volume recommendations and it's perfect.
I had to custom build a funky shaped box to fit behind the back seats of my '09 Tacoma double cab. I went to a few car audio shows and have by far the highest SPL Tacoma in Edmonton with an OEM style system (no huge box in the cab)

As long as your enclosure volume is correct you will love this sub.

Great shallow sub!!

I bought this sub to go in my 08 Tundra. When I started my audio build I initially went with the Rockford P3 10' shallow sub, then upgraded to the P3 12', and finally to this sub. This sound undoubtibly sounds better that both of the previous subs, it will really handle the lows alot better than I expected. And right now I only have and MRP 500 pushing it. I am not even sure I will upgrade the amp it just sounds and pounds so good now. It is a little $ but you get what you pay for, and out of all the shallow subs I have heard this one is the cleanest, tightest, most accurate I have heard.
Semper Fi

Belva BBIC5

high quality wire , good ends, great price what else could you ask for?

By Anonymous on May 31, 2018 Verified purchase

Just what I needed

I would recommend this product to anyone looking to do a simple set up! Great quality and easy to use.

By Avery on February 15, 2017 Verified purchase

good quality

Would recommend, good sound solid product.

ALPINE SWR-T12

The slimline Subwoofer has a nice sleek design and it sounds great. I also liked the service that sonic Electronics provided to me here in Australia, very reasonable shipping cost for an item this size. Thank you. CH

Sounds great

I had 3 of these installed in my dodge 1500.
The sound is unbelievable. I have a Rockford
Amp pushing them all in a series with a 1 ohm load
Would defiantly recommend.

Nothing else compares

WOW!! I must say that alpine did it again! This shallow mount sub is by far the best i have heard! If i didnt no that they were shallows, i could swear the sound like reg 12s. Dont settle for anything else!

Good Quality - Met My Needs

Pros:
This product looks, feels and functions exactly the way you would expect.
Good quality

Cons:
I haven't discovered anything of concern

I would def recommend this product.
I Have Found Sonic Electronix To Be Superior In Customer Service, Products and Shipping

By Joe on May 1, 2016 Verified purchase

Good Sub!!

I have an f 150 supercrew. I have the alpine in an enclosed box underneath the seat with an alpine m500 powering it. The speaker hits hard. It rattles my rear view mirror. The range is pretty good, but it doesn't hit as low as my old 12" kicker cvx. However it's compact design eliminates a big box on my back seat, and I love that. Overall, I love this sub. A definite bonus addition to replace big bulky boxes sliding around the back seat.

Great Sound!! Not Long Lived!!

I got one of these T-12 for my 07 chevy crew cab. Built a custom ported box too Alpine specs to fit behind the back seat. I'm running it with a Kicker ZX1000.1 (4ohms 500watts rms). I have had it for less then six months and it is dead "internal meltdown"!! It had awesome sound, hard hitter, feel it in your chest!!! When it went i was not even playing it loud. This is the only sub i have ever blown. I've had Kicker & JL. Hope this helps somebody in the future.

Nice and durable

This design is awesome rca ends fit nice and tight and it solved a ground noise problem that I couldn’t fix with the other rca jacks.

Belva BBIC5

These came along with my powered sub. They were well made, and quite long enough, to reach the back of my suv.

Great value

Really good nice cables good quality very pleased with them will buy again as needed love them...

Great Sub

I bought this sub 6 months ago and put it behind the seat in my Dodge Ram 1500 standard cab truck and it pounds so hard. I would definitely recommend it to anyone who's looking to get a lot of sound and power out of such a thin sub.

Not bad for a shallow sub

Very well built thin/shallow sub. If your restricted to needing a shallow sub this is one of the best out there. Very clean in a sealed enclosure for one 12" at roughly .72 ft3.

Not as much output as a regular sub so keep that in mind. Worth the money if you have to go this route.

decent cables they work

Got this in a package deal not extremely long, go from dash to amp under passenger seat. Overall feel is light ,
connections aren't extremely firm but have not been any issue.

Good RCA cables.

These RCA cables were perfect for long run to amp. The price was right also.

By Mike on April 23, 2016 Verified purchase

Good deal

Everything worked as It should. I Would have no problem buying it again.

By Jared on February 6, 2017 Verified purchase

Worked for one hour

I bought these rca cables for a low power system and I regret it because they only worked for an hour.

By Antoine on October 26, 2017 Verified purchase

Good value set of RCA's

Not much to say, they worked perfect. 5 meters is good for getting from the head unit to the trunk.

By Scott on April 5, 2016 Verified purchase

Work like I expected

I used this to connect a two channel amp to my head unit without any issues.

By Darrick on January 2, 2016 Verified purchase

Cheap

Gets the job done at a fair price. Easily double the price in local stores

By Ryan on July 19, 2016 Verified purchase

RCA Audio wires for Car Amplifier

Highly recommend. It was worth paying the extra price for these wires which made it easier for the installer and makes the system work great.

By John on June 7, 2016 Verified purchase

Rocks!

It's the slim design of course - fits right under the seat in it's enclosure in my pickup. But I also wanted a sub that provided clear reproduction without being boomy. This Alpine meets its traditional fame for doing just that. I listen to a broad range of genres and this sub is perfect for everything from classical to prog rock.

Nice harness

Good kit did exactly what it needed to do good job Sonic Electronix

Expensive and not worth it

I purchased two of these for my new tundra to hide under the rear seat. I have them powered with a 1500 watt rms Rockford fosgate amp. Set to 50% gain. After about 15 min of playing them hard they both blew. I have been going through warranty for months trying to get them back. I have owned kicker solo baric, JL W3, and Rockford Fosgate P3' subs and they were all louder than these alpines and cheaper. Keep in mind they werent't shallow mount but I am very disappointed I have only gotten 15 min of play for over $1000. I would never recommend these subs to anyone!

Gets the job done

These were included in a package deal with speakers and an Amp. It seems as if there is enough length to install most applications. Pos. and Neg. Cable included. Some connectors and zip ties. Includes in line fuse holder also. Copper seems adequately sized but somehow doesn't look "pure" to me.

TruConnex TC4KIT-8B by Metra

Nice set of wires that came along with my sub woofer. Heavy enough gauge, for the 450 Watts it gives out.

Great kit for the price!

Worked perfect for my amp. Good quality. Would buy again!

Actual 8 gauge wire

For those that don't know, Truconnex wiring is a true 8 gauge wire (as well as their 10 and 4 gauge). It's not all rubber shielding with only 10 stands of wire inside like most eBay wiring sold out there.

excellent product

really nice for the price you cant go wrong and great quality

By Anonymous on August 3, 2018 Verified purchase

Great value

Terrific product we are very happy with it will be buying it again...

good for smaller amps

Pros: Good soft cables, easy connections and routing. All parts needed to install an amp
Cons: Short cables limit where you can install

By Robert of Edmonton on March 21, 2016 Verified purchase

was great

I love this wire kit it was easy to use and great for the amp only thing mine was missing it fuse but other then that it was great

By Anonymous on September 25, 2019 Verified purchase

Great Sub

I have owned many subs through the years, even with being a slim, it hits harder than most full depth subs and has great response. I have burned out two of them so buy the warranty, was running with a PDX-M6 amplifier.

By Anonymous on February 26, 2019 Verified purchase

Good wire set

This wireset came with the Cerwin Vega underseat subwoofer that I ordered through Sonic Electronix. It is perfect for that application, fits the unit wit no issues and wiring was a snap. It is CCA instead of OFC, but for this install that was not a concern.

By Anonymous on August 11, 2018 Verified purchase

Break them in!!!!

i had a set of these i bought for my truck. put them in a sealed box. they worked great UNTIL. magic smoke happen. well i found out about clipping and was trying to prevent it from happening. 40hz for 5 mins is a bad thing. lol yep i messed up. but while they were working i really enjoyed these just break them in. tune your amp correctly these will last you a great while with some great performance.

Blew up

I must have made a mistake. Unit is no good

Cerwin-Vega B2

this amp is very easy to set up and very powerful, you will be thrilled!

By Anonymous on May 31, 2018 Verified purchase

Impressive...

...and seems to be holding up quite well considering its installed in a heavily, and roughly used, high end ATV...sounds good and gets quite loud with 4, decent 6"x9" three ways, running the amp at 2 ohms, then using the AUX input and a cable to a smart phone.

Bang for the buck, it's a great amp...will be buying more for a future project...

TruConnex TC4KIT-8B by Metra

nice package simple but don't come with RCA cables still would recommend

By Anonymous on July 20, 2018 Verified purchase

Cerwin Vega got it to work! Nice

! I found a challenge because it is on my motorcycle I have another amp and was trying to enhance my bass response. After flushing a bit I had a challenge with wiring but after a time, I figured it out! And the unit performs well. And is adjustable and I found it performing good nice sound, it seems to be a strong amplifier. I have a powered subwoofer in addition, but be reminded there's not much room on a motorcycle! How is this performing a car? I don't know, but I think it's a pretty good product.

TruConnex TC4KIT-8B by Metra

This kit comes with every thing needed to properly power your amp great value.

By Anonymous on May 31, 2018 Verified purchase

good stuff

Quality product.Everything I needed would recommend to anyone.The guys at sonic are great.

By matthew on March 27, 2016 Verified purchase

Excellent

Great power in a small package. Ideal for dad's that need trunk room but still want some boom.

Great set for a great price

I would recommend this wiring kit to anyone doing a simple set up. Very straightforward to use and good quality wires!

By Avery on February 15, 2017 Verified purchase