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JBL Stage 1200D Stage Series ported enclosure with two 12" subwoofers

Item # 109STAGD12

JBL designed their Stage Series subwoofers to give you great sound at an attractive price.

JBL designed their Stage Series subwoofers to give you great sound at an attractive price.

12 questions - 12 answers

Item # 109STAGD12

Low stock
$379.95 -$73.14 Outlet savings
$306.81

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About the JBL Stage 1200D

Bob Bihlmayer

High impact, low cost

JBL designed their Stage Series subwoofers to give you great sound at an attractive price. Now they've created the Stage 1200D enclosure, offering you the kind of punch you expect from JBL in a surprisingly affordable package.  

High impact, low cost

JBL designed their Stage Series subwoofers to give you great sound at an attractive price. Now they've created the Stage 1200D enclosure, offering you the kind of punch you expect from JBL in a surprisingly affordable package.  

500 watts of sheer impact

The Stage 1200D ported enclosure comes loaded with two of JBL's Stage 122AM 12" subwoofers, which handle up to 500 watts RMS together. The enclosure's 2-ohm impedance gets the most possible power out of your mono amp. The slot-ported enclosure is made from rugged 5/8" MDF covered with black carpet to withstand the bumps and bruises of life in a car. JBL tunes the enclosure for maximum performance, so you can count on impressive low-end punch.

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Product highlights:

  • ported enclosure with two Stage 122AM 12" subwoofers
  • polypropylene cone with rubber surround
  • enclosure made from 5/8" MDF covered with black carpet
  • 2-ohm total impedance
  • power handling: 500 watts RMS (1000 watts peak)
  • frequency response: 34-200 Hz
  • sensitivity: 94 dB
  • dimensions: 30.13"W x 15.13"H x 13.75"D1 x 10.63"D2
  • warranty: 1 year
  • MFR # JBLSUBST1200DAM

What's in the box:

  • Ported enclosure loaded with two 12" subwoofer
  • Owner's manual (Eng / Span / Fren / Others)
  • 2 JBL decals
  • Warranty card

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

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

Customer reviews for JBL Stage 1200D

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5.0 out of 5 stars
16 reviews

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More details on the JBL Stage 1200D

Pat M.

Features & specs

General
Woofer Size (inches) 12
Speakers Per Box 2
Woofer Material Polypropylene
Enclosure Type Ported
Color Black
Pieces in System 1
Width (inches) 30-3/16
Height (inches) 15-3/16
Depth (inches) 13-3/4
Connector Type Binding post
Frequency Response 34-200 Hz
Power Range (Watts RMS) 500
Maximum Wattage 1000
Sensitivity 94 dB
Impedance 2 ohms
Parts Warranty 1 Year
Labor Warranty 1 Year
The JBL Stage 1200D replaces these items:

Product Research

Features

Overview: The JBL Stage 1200D dual 12" subwoofer enclosure has been carefully tuned for high SPL and low distortion while providing deep, powerful bass. The two Stage 122 12" drivers feature a polypropylene cone with a rubber surround. Both drivers are mounted in a 5/8" MDF (Medium Density Fiberboard) enclosure that's covered in black carpet.

Power: The two 4Ω subwoofers are wired in parallel for a 2Ω load at the single set of terminals. The Stage 1200D can handle up to 500W RMS (1000W peak).

Terminals: The 5-way binding posts accept pin connectors, single banana plugs, dual banana plugs (standard 3/4" width), spade connectors (0.3" inner width minimum), and bare wire up to 10-gauge.

Dimensions:

  • Width: 30.13"
  • Height: 15.13"
  • Depth:
    • Top: 10.63"
    • Base: 13.75"

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Customer Q&A

12 questions already asked

Q
How should I connect them to a jbl gtr 601 amplifier, it has two channels and can deliver 2 or 4 ohms, my question is how do I connect them, as if it were a single sub to a single channel, so it will deliver 2 ohms? A friend connected it to me but he put the + of the output of the box to one channel and the - to the other channel, I think it is the Bridge mode but in the manual of the amplifier it says that it must be a minimum of 4 ohms in Bridge mode, so I think it should be connected to a single channel, correct?
paul r  Jul 19, 2023
1 answer
A
We provide Lifetime Technical support for any orders placed with us, Paul. This is a big reason to shop at Crutchfield! This is an easy connection here, Paul. The JBL GTR-601 amp actually is a mono subwoofer amplifier and does put out the most wattage (600-watts RMS) to a 2-ohm load. Though it has two sets of connections, they are both wired in parallel to the single amp channel to provide convenient connection options for a wide variety of subwoofer combinations. Make sure to set your gains and EQ properly as in this configuration you are overpowering the JBL Stage 1200D box by 100-watts RMS and could potentially damage the subwoofers with overpowering. The way you are connected now is correct and would provide the best possible performance with your setup. We are always here to help!
bo  Jul 19, 2023 (Staff)
Q
Okay to use with a JBL GTR 601?
gregory  Mar 28, 2023
1 answer
A
I think this is a fine pairing, Gregory. Technically speaking, the JBL GTR-601 amp delivers 600-watts RMS which is 100-watts more than the rated 500-watts RMS of the JBL Stage 1200D ported subwoofer enclosure. If you set your gain properly and do not use the Bass Boost feature on the amplifier the combination would perform well. It's hard to find more bang for the buck than with the JBL Stage 1200D dual 12" setup!
bo  Mar 29, 2023 (Staff)
Q
What would be different if u didn't have an amp but had the sub?
collin  Dec 05, 2022
1 answer
A
This JBL Stage 1200D needs a mono subwoofer amp connected Collin, you will get poor performance and can even damage large subwoofers by connecting them to full range signals, especially straight to speaker wire outputs from head units. Use at the very minimum something like our Sound Ordnance M350-1 mono subwoofer amp in the link below. This is right in the sweet spot wattage wise of what the JBL Stage 1200D can handle RMS wattage wise, and it is a real bang for the buck value. https://www.crutchfield.com/p_777M3501/Sound-Ordnance-M350-1.html
bo  Dec 05, 2022 (Staff)
Q
What amp would be best for this?
carter  Aug 15, 2022
1 answer
A
The JBL Club A600 would be a perfect match. I will link it down below for you. https://www.crutchfield.com/p_109CL600A/JBL-Club-A600.html?tp=35834
arielle  Aug 15, 2022 (Staff)
Q
What's the box tuned to?
tavahreon  Jul 31, 2022
1 answer
A
Greetings Tavahreon, and thank you for your question. I reached out to JBL for the tuning frequency ,and they came back with 34hz.
hogan  Aug 03, 2022 (Staff)
Q
Do you use rca cables or normal wires to connect this to a amp?
ryan  Jun 28, 2022
1 answer
A
To go from the amp to the sub you can use bare speaker wire but it will also accept banana, pin, and spade connectors too.
arielle  Jun 28, 2022 (Staff)
Q
Do these have more bass then the MTX Terminators on 1200 watts, and how do I tell what subs are the loudest?
jayden l  Mar 07, 2022
1 answer
A
Thanks for your question. For information on comparing two or more models I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences and help you make the best choice for your system and your budget.
kenneth  Mar 08, 2022 (Staff)
Q
How can I secure this in place in the trunk of my hatchback?
preston alexand  Sep 27, 2021
1 answer
A
There are various ways to secure it in place and we have advisors that can be reached by calling 1-800-324-9695 who can discuss them as well as help give a recommendation on all the gear needed to complete the installation.
jason  Oct 05, 2021 (Staff)
Q
Dose this jbl stage 1200d subwoofer box work well with the Kenwood kac-9160d amp ?
william  Sep 26, 2021
1 answer
A
Thanks for your question. For information on selecting the best amp/sub combo I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences and help you make the best choice for your system.
kenneth  Sep 26, 2021 (Staff)
Q
What wires are needed for this speaker?
bergen  Sep 23, 2021
1 answer
A
Speaker wire needed would be a minimum of 16 gauge, maximum of 10 gauge. You can view the different sizes available and the pricing per foot at the link below. If you have further questions feel free to reach out to one of our knowledgeable product advisors by phone (1-800-324-9695) or online chat. https://www.crutchfield.com/p_007CSW12/Crutchfield-Speaker-Wire-12-gauge.html
kenneth  Sep 25, 2021 (Staff)
Q
Am i correct in thinking this needs a 1200 watt amp with a 2 ohm rms? If so what is the best amp for this or can i get something larger like a 2000 watt?
zack  Sep 05, 2021
1 answer
A
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system.
kenneth  Sep 08, 2021 (Staff)
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