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Jack Plate - Plug and Play, Mono / Stereo
The Plug and Play eliminates the confusing switch found on most stereo cabinets. Just pick your impedance and plug in. Label is set at the common ~\frac{4}{16}~ Ohm Mono and 8 Ohm Stereo. Ready to install with a steel dish, wires, and speaker connectors. Direct replacement for many existing small jack dishes. Can be used for the following configurations:
- 4 ohm mono
- 8 ohm left + 8 ohm right stereo
- 8 ohm left only mono
- 8 ohm right only mono
- 16 ohm mono
The Plug and Play can be used with two 8 ohm speakers, four 4 ohm speakers, or four 16 ohm speakers. Please see Specifications, Files, and Documents for all recommended wiring configurations.
| Interior Length | 3.0 in. | |
| Interior Width | 3.44 in. | |
| Item Length | 4.03 in. | |
| Item Width | 4.35 in. | |
| Lead Length | 18 in. | |
| Mounting Hole Center To Center A | 3.72 in. | |
| Mounting Hole Center To Center B | 3.25 in. |
| Packaging Dimensions | 4.4 in. × 4.1 in. × 2.1 in. | |
| Weight (Packaging) | 0.44 lbs. |
My Project Lists
Specifications, Files, and Documents
Questions and Answers
Click each question to see its answers.
4 answers
Can this work with 2 16 ohm speakers in a 212 cab
Asked by Anonymous on May 10th, 2016. 2 people subscribed to this question
May 10th, 2016
Staff MemberTop ContributorYes, two 16 ohm speaker may be used as this contains no active components. However, the markings showing each input's impedance will not match the actual impedance.
With (2) 16 ohm speakers what will the actual impedance be then? impedance
You'd have
- 16 Ohm Left/8 Ohm Mono
- 16 Ohm Right
- 32 Ohm Mono
I just relabeled plate with a brother p-touch labeler as I setup with two 16 ohm speakers.
4 answers
Can I run a Y cable out of one 8 ohm output from my head and split it into the two 8 ohm stereo jacks with two 8 ohm speakers? If I did that, what ohms would my amp see? I want to find a way to go out of an 8 ohm output and make the cab 8 ohms as well.
Asked by Anonymous on May 25th, 2018. 1 person subscribed to this question
I believe this would be the same as running the two 8 Ohm speakers in parallel so the load the amp would see would be 4 Ohms. If this setup ran the two 8 Ohm speakers in series (I don't believe it does) Your amp would see a 16 Ohm load.
November 1st, 2018
Staff MemberIf running two 8 Ohm speakers and an amp rated for 8 Ohms, simply plug the speaker cable into the 8 Ohm left input and plug a dummy cable to the 8 Ohm right input jack. Your amp will only see an 8 Ohm load.
April 2nd, 2019
Staff MemberAgain, if using a Y cable and plugging into both top jacks on the plate would essentially put the two 8 Ohm speakers in parallel, making the rating 4 Ohm. We do not suggest doing this.
I think he wants to use *both* 8-ohm speakers at the same time, while matching his 8-ohm amp output. I do, too. So again, would using a Y cable into both stereo inputs, would the amp see an 8-ohm total load and safely power *both* speakers at once?
4 answers
I am building a 2x12 cab with two 8 ohm speakers. When I am playing alone, I would like my amp to sound through both speakers. But when I am playing with my son, I'd like to use the two speakers just like two separated cabs (my son's amp on one speaker, and mine on the other speaker). Is the Plug n Play plate the right choice for me? Which diagram should I be looking at?
Asked by Anonymous on May 6th, 2019. 1 person subscribed to this question
May 6th, 2019
Staff MemberIf your amp has a speaker jack for a 4 or a 16 Ohm load, yes, this can be done. The first drawing in the "Speaker Z Examples" shows how one would wire a 2 speaker cab with 8 Ohm speakers. You and your son would be able to plug each amp into the top left and right jacks when playing together, and when you are playing b yourself, plugging into the 4 or 16 Ohm mono jack will make both speakers run in unison.
Thank you so much for the quick and clear answer!
This is a helpful question. Does the 4 ohm or 16 ohm jacks work as it is strictly a "pass through" jack at that point?
August 14th, 2019
Staff MemberThe two 8 Ohm jacks are the only two that can used simultaneously on the jack plate.
3 answers
Is there a way to use this product to get a 4x12 speaker cabinet to run all 4 of its 16 ohm speakers at 8 ohms?
Asked by Anonymous on February 26th, 2016. 1 person subscribed to this question
Correct, but you can get two 8ohm loads from 4 16ohm speakers in stereo.
February 26th, 2016
Staff MemberTop ContributorSee the wiring diagrams above for reference but generally you can run in either series or parallel when wiring up speakers. It's more than likely possible but the labeling may not match.
You are not going to get an 8 ohm load out of 4 x 16 ohm speakers, only 4 (all in parallel) or 16 (2 pair in series, then that pair of pairs in parallel). Wired per the 4 x 16 ohm speakers you would get the impedance's marked on the plate.
3 answers
using a 2x12 setup. if i connect to one of the 8ohms mono connections and `INSERT AN OPEN PLUG (NOTHING CONNECTED)` into the other 8ohm connect will both speakers output sound?
Asked by Anonymous on September 28th, 2016. 1 person subscribed to this question
No, only one of the 8ohm speakers will output sound.
How does it sense 4 ohm stereo or 8 ohm mono through the same jack?
It does not sense anything since this is a passive circuit. The resulting ohmage is determined by the ohms of the speaker.
3 answers
I have a 2x12 cab with 2 8ohm speakers. Is there any way to get 8ohm mono? I want to connect it in parallel with another 8ohm 4x12 cab, so i can get a total 4ohm load to match my 4ohm bassman head(2x12 8ohm + 4x12 8ohm= total 8ohm load if connected in parallel, right?). Maybe i can get it through the ''one side only 8ohm mono''? Thanks
Asked by Anonymous on April 3rd, 2017. 1 person subscribed to this question
You can run this at 8ohm mono but it will only be one speaker.
I have a 2X12 cabinet with different 8ohm speakers in it that I would like to be able to use separately (only one speaker), as well as together at 4ohms. Does this jack allow this? I assume the jack labeled 16ohms would basically be the 4ohm mix of the 2X 8ohm speakers?
Yes, here are your options: 4 ohm mono, 8 ohm left only mono, and 8 ohm right only mono. Checkout the plug-in schematic for how these are wired and hooked up.
3 answers
I have 2 8ohm speakers trying to get 16ohms mono
& 8ohms stereo each side
How do I do this with the plug & play?
Asked by Anonymous on May 23rd, 2019. 1 person subscribed to this question
May 24th, 2019
Staff MemberSimply hook up the jack plate as shown in the "Speaker Z Examples" drawing for two 8 Ohm speakers.
Is this correct? I have a revv generator 120 and an avatar 2x12 cab with two 8 ohm speakers. The amplifier has 2 4ohm outputs, 2 8 ohm outputs, and 2 16 ohm outputs. Do I connect two separate speaker cables to the 2 8 ohm outputs of my amp and plug them into the 8 ohm stereo inputs of the cab?
August 14th, 2019
Staff MemberWe can not say that this would be the case with your avatar cab if it doesn't have this plug and play jack plate on it. If it does and it is wired as shown in the speaker wiring diagram, yes, you would be able to do that.
3 answers
If I connect a cable to the 8 ohm right side my ohmmeter reads 8 ohms without having to put an open plug in the 8 ohm left/4 ohm mono jack. So it seems I can you 8 ohm right without needing an open cable in the the 8 ohm left/4 ohm mono jack. Is this correct?
Asked by Anonymous on July 23rd, 2019. 1 person subscribed to this question
July 25th, 2019
Staff MemberFirst you will want to check to make sure that everything is wired as shown in the diagram and that two 8 Ohm speakers are being used (other Ohm ratings will give other readings) and if both of those are accurate, there could potentially be an issue with the plate and you may need to contact us to make a return.
July 30th, 2019
Staff MemberYes, that is correct.
Thanks for your reply to previous question asked on 7/23/19: Some clarification: With two 8 ohm speakers connected per the wiring diagram, plug in 4 ohm only input measures about 4 ohms; plug in 16 ohm input only about 16 ohms, plug in both 8 ohm inputs measures about 8 ohms each, all as expected. Finally plug in 8 ohm right ONLY measures about 8 ohms. Checking the wiring diagram this appears to be what should happen, as a plug the right 8 ohm input alone does not appear to result in a parallel connection of the two speakers and the left speaker will be disconnected. Can you look at the diagram an d tell me if this is correct or not? Thanks.
2 answers
If I use this jack in a 2x12 cab with two 8 ohm speakers will I be able to run two heads into the cab ? If each head is plugged into the 8 left and 8 right inputs respectivly (each head running at 8 ohms)?
Asked by Anonymous on March 10th, 2018. 1 person subscribed to this question
Yes that is exactly what this is designed to do!
Thank you
2 answers
I have a 2x12 both speakers 8 ohm. I don't get how the left out can be 8ohm and 4. If I only want to use the left speaker at will that jack be 8 or 4? Essentially I'd like to use one speaker at a time at 8ohms or both in series at 16 or two amps one to each speaker at 8ohms.
Asked by Anonymous on April 20th, 2018. 1 person subscribed to this question
April 20th, 2018
Staff MemberWith two 8 Ohm speakers in a cab it would work as follows: Left input would be 4 Ohm using both speakers (Parallel wiring) or 8 Ohm when used in stereo (If two amps are being plugged into both the left and right input) When using two 8 Ohm speakers, the only mono options are 4 Ohm (top left jack) and 16 Ohm (bottom left jack) The only case in which it would work as you need would be if both speakers in your cab are 16 Ohm.
I use my Plug and Play exactly as the question poses. It has two 8 ohm EVM speakers. The short answer to your question is that using the PP's top left jack will automatically put the two speakers in parallel for a 4 ohm load. If you plug a jack into the top right jack, the PP splits the speakers, so each will run at 8 ohms independently (stereo). If you want to run one speaker at a time at 8 ohms that's not problem, but you need to have both jacks engaged to make the 'split'. So run your amp into one side (whichever you want), and put a 'dummy' (ie unconnected) plug or cable into the other stereo jack. It works great.
2 answers
Hello...can I use 2 - 16 ohm speakers in parallel for an 8 ohm cab when playing by myself? Wish to hear both speakers. Reads like if I plug into the 8 ohm left jack I would hear only one speaker? Thanks in advance for reading my post - question.
Asked by Anonymous on August 20th, 2019. 1 person subscribed to this question
August 20th, 2019
Staff MemberUsing two 16 Ohm speakers with this jack (series and parallel wiring are a moot point as this jack plate does both) will result in the labels being incorrect. Looking at the backplate, it would read from left to right, top to bottom: 16 ohm left (or 8 ohms mono), 16 ohms right, and 32 ohms.
Thank you BradWbr!
1 answers
Does this fit a Marshall 1960A cab?
Asked by Anonymous on November 12th, 2015. 1 person subscribed to this question
November 12th, 2015
Staff MemberTop ContributorI would suggest referring to the spec sheets included on this page for any measurements to determine compatibility with your specific cab.
1 answers
Can it be used in a 4x12 cabinet with 4 - 8ohm speakers?
Asked by Anonymous on March 25th, 2016. 1 person subscribed to this question
March 25th, 2016
Staff MemberTop ContributorFour 8 ohm speakers can be used but the impedance markings on the plate will not match up correctly.
1 answers
I'm using two 16 ohm units in each of the cabinets I'm makin. 16 ohm Weber stuff and Celestion stuff in each cab. Hook 'em up as if you were hookin up 8 ohm units?
Asked by Anonymous on August 13th, 2016. 1 person subscribed to this question
As long as the two cabs you use have a matching impedance, you can use them in stereo. It does not have to be 8ohms. It could be 2,4,6,8,16ohms, etc. You will just have to remember that the labeling on the unit will not match your actual impedance.
1 answers
I have 2 x 8 ohm speakers and connected it like the diagram (top of Speaker Z Examples page); what does that translate to for the outside jacks in terms of ohms????
Asked by Anonymous on January 16th, 2017. 1 person subscribed to this question
This would be 8ohm left and 8ohms right.
1 answers
The dimensions are 4.35 x 4.03. Can you tell me what the depth is? thanks.
Asked by Anonymous on January 24th, 2017. 1 person subscribed to this question
The depth of this jack plate is 1.66" (42.3mm).
1 answers
This seems to be a common theme among questions, but I really want to be 100% sure. If I have 4 16ohm speakers in a 4x12 and wire them exactly as it shows in the wiring diagram above (2nd example in the Speaker Z pdf), will the labeling be correct? 2 16ohm speakers in parallel on each side (L&R) will prove the labeling true, correct?
Asked by Anonymous on February 2nd, 2017. 1 person subscribed to this question
Yes, if you have two pairs of 16ohm speakers running in stereo each pair will be 8ohm and reflect the labeling.
1 answers
Silly question, but how would I wire up just a single speaker using this? I built a little 1x12 extension cab a while back and ordered a Plug and Play with the thought that I would eventually build a 2x12 that would replace it. Not sure which wires connect to which inputs and what to do with the wires not connected to the speaker. Thanks and cheers.
Asked by Anonymous on May 27th, 2017. 1 person subscribed to this question
You can use the red and black wire and this should operate in mono at the designated ohms on the back of your speaker. You would only use the upper left handed jack.
1 answers
To help everyone here and myself: is this circuit nothing more than the equivalent of 1/4" jacks with multiple contacts that make or break circuits? In other words, your circuit has no load, does not affect a load, it only provides a pathway (connectivity) from the 1/4" plug that is inserted, to the speaker terminals. Correct?
Asked by Anonymous on August 10th, 2017. 1 person subscribed to this question
Yes, this is exactly what the Plug and Play is!
1 answers
I have a 412 cabinet with 4 - 8 ohm speakers to be wired in series-parallel so I have 8 ohms impediance total. what would be the correct wiring schematic for this setup ?
Asked by Anonymous on October 18th, 2017. 1 person subscribed to this question
Four 8 ohm speakers can be used but the impedance markings on the plate will not match up correctly. The red and white wires are positive while the green and black are negative.
1 answers
I have 4/12 cab 8ohm how do wire speakers.. plug and play jack plate 8ohm stereo 4&8ohm mono
Asked by Anonymous on October 22nd, 2017. 1 person subscribed to this question
Please refer to the schematic and wiring examples above.
1 answers
with a 2x12 cab can I use one head at 4 ohms and another head at 16 ohms and with an a/b switch get both speakers on each channel?
Asked by mellis701 on November 22nd, 2017. 1 person subscribed to this question
You will need to use speakers that all have the same ohms.
1 answers
There are 4 connectors. I have 4 speakers. Shouldn't there be 8 connectors? Was I supposed to buy 4 more connectors for this to work?
Asked by Anonymous on February 3rd, 2018. 1 person subscribed to this question
Check out the speaker wiring diagram above. If you have four 16 ohm speakers you are wiring these in series. If you have four 4 ohm speakers then you are wiring them in parallel. You might need some extra wire depending on your configuration.
1 answers
This will be going in a 1x12 cab build (16ohm), but I may want to add an additional 1x12 at a later date. Can I plug the 8ohm left jack into the 8ohm right jack (making it an output) to run a seperate cab in parallel?
Asked by jburr on March 5th, 2018. 1 person subscribed to this question
That would be beyond ability of this unit as you have the following options: 4 ohm mono,
8 ohm left + 8 ohm right stereo,
8 ohm left only mono,
8 ohm right only mono,
16 ohm mono.
1 answers
Can this work with an 8 x 10 cabinet where the "L" & "R" are both 4x16ohm 10" speakers wired series parallel? I have 2 cabs, hoping for 16ohm "stereo", 8ohm mono ea. Will it have ability to to run them both together(32ohm ea) at 16ohms too if connected parallel? Will the series parallel wiring of the banks of 4 speakers mess up the circuit with the open plug?
Asked by Anonymous on March 10th, 2018. 1 person subscribed to this question
If you have an 8x10 wired in series/parallel and each speaker is 16 ohms you will have a total ohm load of 32 ohms. Looking at the backplate, it would read from left to right, top to bottom: 16 ohm left (or 8 ohms mono), 16 ohms right, and 32 ohms.
1 answers
Just to be sure about what I would get with a 4x12 with 8ohms speakers. If I wire each two pairs of speaker in series, I will have two pairs of 16ohms. I would then have:
8 ohm mono
16 ohm left + 16 ohm right stereo
16 ohm left only mono
16 ohm right only mono
32 ohm mono (not really making but well)
It that correct ?
Asked by Anonymous on March 26th, 2018. 1 person subscribed to this question
March 29th, 2018
Staff MemberYes, you are correct.
1 answers
I have two 16 ohm speakers in my cab. If I want to run two heads into this .... I should plug one in left and one in the right? Will the amp sounds be separated to individual speakers?
Asked by Anonymous on May 26th, 2018. 1 person subscribed to this question
Using the stereo option you could run one 16 ohm speaker into one amp and the other speaker into another amp. With this in mind, the marking on the plug and play will not match the actual ohms.
1 answers
If I run 2 16 ohm speakers and one 8 ohm speaker and wire them up like you show the wiring for 4 16ohm speakers (but obviously with just the 8 ohm on one side,) will the jacks still show the correct ohms?
Asked by Anonymous on May 29th, 2018. 1 person subscribed to this question
No not with three speakers that are different ohms.
1 answers
To run JUST one side at 8 ohms a dummy plug must be used in the other 8 ohm side?
Asked by Anonymous on June 7th, 2018. 1 person subscribed to this question
Yes that is correct. Simply place a spare 1/4" jack into one of the 8ohm jacks to get 8ohms mono.
1 answers
I have a 16ohm cab(2x8ohm in series)The amp has 2 ext.speaker jacks and calls for either 1 8 ohm cab or 2 16 ohm cabs.Advice???
Asked by Anonymous on August 25th, 2018. 1 person subscribed to this question
August 28th, 2018
Staff MemberIt doesn't sound like the amp and the cab are compatible as is. You may need to change the speakers in the cab (either x2 4 Ohm speakers in series or x2 16 Ohm speakers in parallel) or replace the transformer in your amp. What amp model is in question? I may be able to provide more info with an amp make and model.
1 answers
In the diagram when it says, for instance, "four 16 ohm speakers"...does that mean "wire this way to get 16 ohms" or "wire this way if your speakers are 16 ohms" ?
Asked by Anonymous on September 3rd, 2018. 1 person subscribed to this question
September 5th, 2018
Staff MemberThe diagram shows how to wire four 16 Ohm speakers. So "Wire this way if your speakers are 16 Ohms" is accurate.
1 answers
What would be the correct values if I am installing this in a 4x12 with all speakers at 8 ohms?
Asked by Anonymous on September 4th, 2018. 1 person subscribed to this question
September 5th, 2018
Staff MemberThe values change depending on how the speakers are wired. We advise consulting a tech for guidance on how to wire this to achieve the desired results.
1 answers
If I'm running 2x 4x12 cabs @16ohms each, my amp is seeing 8ohms parallel, would I connect the power to 16ohms on the plug and play to achieve this?
Asked by Anonymous on October 16th, 2018. 1 person subscribed to this question
October 16th, 2018
Staff MemberThe 16 Ohm input on this jack plate is for series while the 4 Ohm mono is for parallel.
1 answers
Why don't they make a plate that'd be labeled for two 16 Ohm Speakers?
Asked by Anonymous on November 1st, 2018. 1 person subscribed to this question
November 1st, 2018
Staff MemberThis plate can be used with 16 Ohm speakers, and the labeled ratings on the plate will change. Looking at the backplate, it would read from left to right, top to bottom: 16 ohm left (or 8 ohms mono), 16 ohms right, and 32 ohms.
1 answers
Would it be alright to run this in a 4x12 cabinet with 2 16 ohms and 2 8 ohms speakers?
Asked by Anonymous on January 20th, 2019. 1 person subscribed to this question
February 1st, 2019
Staff MemberThat would cause the amp to read Ohm ratings it was not designed to handle and is not recommended.
1 answers
Will you post to UK?
Asked by Anonymous on February 7th, 2019. 1 person subscribed to this question
February 8th, 2019
Staff MemberYes we ship internationally. Simply add this item to your cart and proceed to checkout. Once you have entered your shipping information, you will be provided with several shipping options.
1 answers
What is the power handling capacity as the wire is 18AWG ?
Asked by Anonymous on March 29th, 2019. 1 person subscribed to this question
April 2nd, 2019
Staff MemberThat information is not provided by the manufacturer.
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Product Reviews
First off the prices perfect second of all plug and play they're not kidding it went in real quick real easy real simple had to find some basic wiring diagrams online but other than that it works like it should The Price is Right outstanding product and thank you guys very much awesome will do business again
I’ve installed this product on 2 different 2x12 cabs. Great instructions, and easy to do if you are relatively comfortable with a jig saw. They work as advertised!
It hasn't arrived yet.
I had purchased one of these for my main Bogner 212 cab. It worked very well, so I bought two more. It seems very well-made and is a great value, even when shipping and import fees (Canada) are added.