Name: JL Audio ACS112LG-TW1
Brand: JL Audio
SKU: 13693335
Price: 611.99 USD
Availability: OutOfStock
Rating: 5 (55 reviews)

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by Crutchfield's Bob Bihlmayer

Engineered for performance

JL Audio's ACS112LG-TW1 PowerWedge+ powered subwoofer delivers the impressive bass you expect from JL Audio without taking up a lot of space. The compact PowerWedge+ enclosure houses a built-in Class D amplifier that safely sends 400 watts RMS to the specially engineered, ultra-low-impedance TW1 12" subwoofer.

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Engineered for performance

Made in USA

JL Audio uses state-of-the-art automated woodworking equipment to fabricate the high-quality MDF enclosure with rugged automotive carpeting, a steel-mesh grille, 5-way binding posts, and solid internal wiring. The enclosure and subwoofer are constructed at the manufacturing facility in Florida to ensure that you get the bass that you expect from JL Audio.

Small enclosure, big sound

The specially designed, sealed enclosure measures just over 6 inches thick, so it'll fit just about anywhere. You'll enjoy thick low-frequency response from all of your music with this capable enclosure in your vehicle. And you can easily remove the power connector from this sub, so you can pull it out of your vehicle when you need a little extra space.

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Product highlights:

12" TW1 subwoofer in sealed enclosure
built-in Class D amp delivers 400 watts RMS at 0.25 ohms
woofer impedance: 0.25 ohms
low-pass filter (50-200 Hz, 12 dB slope)
8-gauge amp wiring kit required (sold separately)
fuse rating: 30 A
dimensions: 21"W x 13.5"H x 6.625"D
weight: 29.2 lb.
warranty: 2 years
MFR # 93335

What's in the box:

JL Audio ACS112LG-TW1 owner's manual

PowerWedge+ enclosure (loaded with one 12TW1-0.25 subwoofer and built-in amplifier)
Black metal grille (installed)
Power connection plug (installed)
30-amp ATO fuse (installed)
12" Speaker level input harness
Owner's manual
Specification card
Warranty information

See the difference between "Open Box" and "Scratch & Dent" Outlet items

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Researched by Crutchfield's Pat M.

Features & specs

General
Enclosure Type	Sealed
Finish Material	Carpet
Grille	Steel
Connector Type	RCA/Set screw
Quick-disconnect Plug	Yes
Bi-amp Inputs	No
Woofer Size (inches)	12
Woofer Material	Mica-filled Poly
Passive Radiator	---
Width	21"
Height	13-1/2"
Depth	7-3/8"
Parts Warranty	2 Years
Labor Warranty	2 Years
Specifications
Frequency Response	N/A
Amplifier Power (RMS)	400 watts
Maximum Wattage	N/A
Sensitivity	N/A
Impedance	0.25 ohms
Second Voice Coil Impedance	N/A
Crossover Point	50-200

Product Research

Features

Overview: The ACS112LG-TW1 PowerWedge+ is a compact powered subwoofer, useful in vehicles with limited space. The sealed enclosure is loaded with one 12TW1-0.25 12" low impedance subwoofer (0.25Ω) and a 400 watt RMS class-D amplifier. The amp uses JL Audio's exclusive DCD amplifier technology, combining direct power conversion (no conventional switching power supply) with an ultra-high current output section. The result is an efficient design (91-94%) with very little heat generated.

Enclosure Design: The enclosure features MDF (medium-density fiberboard), constructed using CNC woodworking equipment, and covered with high-grade automotive carpeting. The driver is protected by a black steel-mesh grille.

Power/Ground Plug: The power, ground, and remote turn-on wires attach to a removable terminal block; easily unplugged so the subwoofer can be removed when you need more storage space. Each terminal is a screw clamp that will accept up to 8 gauge wire (minimum 8 gauge power and ground recommend).

Audio Inputs: The amplifier section will accept either a line level (RCA) or speaker level signal. A 12" speaker level input harness is included.

Remote Level Control: An optional RBC-1 wired Remote Bass Control (item number 136RBC1, sold separately) allows bass level adjustment from the front of your vehicle.

Controls:

Input Sensitivity: rotary control; variable from 70 mV to 1.4 V for the RCA inputs and 280 mV to 5.4 V for the speaker level inputs
Turn-On Mode: three position switch:
- REM: amp turns on when +12 volts DC is applied to the remote terminal
- DC: the amp turns on when a DC offset voltage is detected on the speaker level inputs
- Signal: the amp turns on when an audio signal is detected on the speaker level inputs, turns off after 30 seconds without an input signal
Crossover: rotary control; the crossover point is continuously variable from 50 Hz to 200 Hz; the slope is 12 dB/octave and the low-pass crossover is always engaged
Polarity: two position switch; allows you to reverse the phase of the subwoofer (0°, 180°)

Protection Circuit: The amp is equipped with thermal protection circuit; it will shut down if it overheats.

Dimensions:

Width: 21" (21-1/4" including wiring)
Height: 13-1/2"
Depth: 6-5/8" (7-3/8" including grille)

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11 questions already asked

I have a 2012 Wrangler Sport 2 door. Will this fit under the front or back seat?

teresa Sep 01, 2023

1 answer

Unfortunately, we do not have measurements of the space under your vehicle's seats. We do have the measurements for this enclosure, which are 21"W x 13.5"H x 6.625"D. I recommend using these measurements to check against the space under your seats.

zachary Sep 01, 2023 (Staff)

what is the db rating for this unit? im trying to compare it to a kicker downward firing unit that had a rating greater than 90 db

albert Jul 24, 2023

1 answer

Greetings Albert, and thank you for your question. There are a few powered subwoofers with no sensitivity listed anywhere. Unfortunately, we do not measure them ourselves but have to rely on the manufacture's specs. If not on the spec sheet, of course we will not have that information. Perhaps, JL Audio might somewhere, but think if they had it, it would be in the spec sheet. Wish I had better news.

hogan Jul 24, 2023 (Staff)

Can I add a 10in subwoofer in a 2014 Mercedes CLA 250?

franknitty May 06, 2023

1 answer

This JL Audio ACS112LG-TW1 is a great choice for any vehicle that it physically fits in, Frank. This is a 12" subwoofer, so it packs a little deeper punch than the 10" models. It appears you have plenty of space in the trunk of the CLA! You will need some extra gear if you are tackling the install yourself like a power wiring kit, speaker wire, and Posi-taps to get the job done. I have paired all the gear in a handy link below with the JL Audio subwoofer, check it out! https://www.crutchfield.com/I-rXYEc222/cart/EmailCart.aspx?emKey=3134349

bo May 07, 2023 (Staff)

Can I add this sub to a factory 2022 Ford Explorer with bang and olufson?

craig Jul 05, 2022

1 answer

This JL Audio ACS112LG-TW1 powered sub is universal, it can be installed practically anywhere it physically fits! These are also an Advisor favorite, they really thump for the size. You'll need some additional gear to install it in your ride, check it out! The Crutchfield CK8 8-gauge wiring kit in the first link below is a perfect match. You'll also need some of these Posi taps in the second link below, these can help "tap" in to the speaker signal after the B and O amp and connect the JL subs speaker level inputs with some extra lengths of speaker wire. https://www.crutchfield.com/p_007CK8/Crutchfield-CK8.html https://www.crutchfield.com/p_669PP605/Posi-Products-Wire-Connectors.html

bo Jul 06, 2022 (Staff)

Is there any bass control knob that will work with this product? Can an offbrand knob do the same thing?

leroy Nov 11, 2020

1 answer

I use the JL Audio RBC-1 available from Crutchfield. Tried posting a link to it, but Crutchfield thinks it's my personal info. ??

gary Nov 11, 2020

Sealed, or ported enclosure? This description says sealed, but this may be a typo. On the JL Audio site, it says the TW1, 12" driver is in a slotted-port enclosure.

scott Feb 15, 2019

1 answer

This one is sealed, they do make a ported one, but this isn't it....

david Feb 15, 2019

How low does the driver play, in this enclosure? - the frequency response is not listed in the specs.

scott Feb 12, 2019

1 answer

I don't have the exact Hz ....in a document either. If I had to guess somewhere around 40 to 120 wil be the audible range

amos Feb 12, 2019

Why don't they provide frequency response for this sub box? Also how do you get 400 watts RMS when the fuse rating is only 30 amps?

glenn Aug 24, 2017

3 answers

The enclosure is sealed and the amplifier has adjustable frequency response, also 30 amp furs for 400 watts? What's the problem there?, that's a pretty big fuse, I also have a 4 channel 1200 watt amp that uses 2 30 amp fuses, the amp uses a mosfet power supply like most so 30 amp is more than adequate

timothy j. Sep 02, 2017

Gleen M this powered box has a frequency level knob you can set to hear more or less of the high,med or low frequencys. It is like having an equalizer. For the 400 watts if you take your alternator voltage for most autos 13.8 to 14.0 volt by the 30 amp fuse you get 414 watts this is a round about number where you have the amp maxed out and would damage you amp, speakers, head unit etc hope this info is usefully for you Gleen M

tyler Aug 26, 2017

It Because this amp runs on a slightly higher voltage then 12. most alternators push out 14.5 volts which is less amps with more watts. but if space is an issue then to not get this set up for whatever reason is a shame.. Well worth it... Ive had to date around 15 systems.. This is not in any case the loudest. But it is the smallest and i would put it up to at least half of those other ones.. Pretty clean tones too. And you dont have to find a remote cable. It will sense the speaker signal. nNice

david Aug 25, 2017

When installing the cables to the amp, do you push the connectors down or screw them up? I'm having issues with the cables pulling out easily and it appears that there is a tooth pointed down. Could anyone let me know so I can go change the installation if needed? Thanks.

tj Mar 14, 2017

5 answers

Screw it down, but the best install would be to crimp the appropriate connector to the end of the wire then slide it in the terminal, that way no issues with the wire catching on an edge or pushing the wire in too far and causing it to ground

timothy j. Sep 02, 2017

Screw down. I had issue with it andnjust trimmed the wire shorter and soilder it to a flat shape and screwed it down and held way better.

christopher Mar 16, 2017

Screw connection down.

vladimir Mar 16, 2017

Start by unscrewing the screws then place the cables and then screw down on the cables. Hope this helps

anthony Mar 15, 2017

You screw the cables into the connector, but the connector is a quick disconnect.

paul Mar 15, 2017

would this sub work on a non navigational 2006 honda civic sedan ex factory radio?

elijah Nov 25, 2016

4 answers

Yes, it also comes with high level inputs so all you need is to use one of your existing speakers and splice and share the input for your sub thru the subs high level input

timothy j. Sep 02, 2017

Work on anything. I had in my golf cart with a iPhone hooked to it. You can hook it up to factory speaker wires for a signal

lane Nov 26, 2016

You would also need line a line converter. They intruduce rca lines to the factory speakers so you can then get the signal/sound to the sub.

anthony Nov 25, 2016

Yes. Just tap into your rear speaker wires and run power. NAV is not a factor. Easy setup.

vladimir Nov 25, 2016

Does this have auto turn on through the rca conections?

jonathan Oct 18, 2016

8 answers

No, this amp you have to use the remote turn on wire

timothy j. Sep 02, 2017