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Monoprice 107128 3.5mm Mono Plug to 3.5mm Stereo Jack Adaptor, Gold Plated

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4.2 1,242 ratings

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Connector type	Mono Plug
Colour	black
Item dimensions L x W x H	6.1 x 2 x 2 Centimetres
Brand	Monoprice
Finish type	Gold

About this item

3. 5mm Mono Plug (male) to 3. 5mm Stereo Jack (female) Adaptor - Gold Plated
Item received may not match photo or specs shown
It is a reliable and efficient product for you
3. 5Mm mono plug (male) to 3. 5Mm stereo jack (female) adaptor, gold plated
Item received may not match photo or specs shown
It is a reliable and efficient product for you

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Product details

Is discontinued by manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 6.1 x 2.03 x 2.03 cm; 4.54 g
Date First Available ‏ : ‎ Dec 6 2011
Manufacturer ‏ : ‎ Monoprice
Place of Business ‏ : ‎ DENVER, CO, 80237 US
ASIN ‏ : ‎ B002N1XMPO
Item model number ‏ : ‎ 107128
Country of origin ‏ : ‎ China
Department ‏ : ‎ Audio, Video Adapters

Best Sellers Rank: #6,881 in Electronics (See Top 100 in Electronics)
- #20 in Audio & Video Adapters

Customer Reviews:
4.2 1,242 ratings

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	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart
Price	$9.14	$2.50	$8.41	$8.99	$7.87	$9.14
Delivery	—	—	Get it by Wednesday, Jul 10	Get it by Friday, Jul 5	—	—
Customer ratings	4.21,242	4.13	4.394	4.49	3.6227	4.3682
Sold by	Amazon.ca	Amazon.ca	Goupchn Direct	RFAdapter	Amazon.ca	Amazon.ca
connector type	Mono Plug	Stereo Plug	Auxiliary	Auxiliary	Auxiliary	Mono Plug
number of ports	1	—	2	—	1	1
power plug type	no plug	no plug	no plug	no plug	no plug	no plug
warranty	Lifetime	Lifetime	Limited	Limited	—	Lifetime

Product description

Amazon.ca Product Description

3. 5mm Mono Plug (male) to 3. 5mm Stereo Jack (female) Adaptor - Gold Plated. Item received may not match photo or specs shown. It is a reliable and efficient product for you

From the Manufacturer

3. 5Mm mono plug (male) to 3. 5Mm stereo jack (female) adaptor, gold plated. Item received may not match photo or specs shown. It is a reliable and efficient product for you.

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LCR

As expected

Reviewed in Canada on February 11, 2024

Verified Purchase

Seems to work just as expected, OK quality. Use it to hear my output in both L and R headphones on a recorder (Zoom H4N), when actually recording a mono track (mic). Alternative is to use the "mono mix" option, but you sometime need to record an actual mono track (and want to monitor it in both headphones).

Helpful

Helen

Works well!

Reviewed in Canada on March 11, 2022

Verified Purchase

I did buy one in the past that didn't work so well. It did the job (two mono sounds in each ear or stereo...not sure but I hear from both ears) but I often had to twitch it to make it work, as the contact between the two (earphone cord and TV) was constantly breaking. I had to adjust it in the middle of the plug.

However this one I bought works amazingly well. I plug it in my earphones and the other end in my TV (I also use a ten-foot extension cord) and the sound doesn't break. Perfect!

One person found this helpful

Helpful

Claude Dubois

Bad piece. Unsatisfied.

Reviewed in Canada on January 19, 2024

Verified Purchase

That piece is very bad. It is not making proper contact and sound varies from mono to stereo to NOTHING AT ALL. Got to keep fumbling with it. Very disappointed.
Get something else from somewhere else, if possible.

Helpful

Marc Harrelle

Pratique

Reviewed in Canada on March 30, 2023

Verified Purchase

Pratique pour utiliser avec un Pocket Talker. Permet de choisir de meilleur qualités. Reçu rapidement.

2 people found this helpful

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Brian B.

Works perfectly

Reviewed in Canada on December 24, 2022

Verified Purchase

Works perfectly

Helpful

hondadon

Easy to use

Reviewed in Canada on January 29, 2022

Verified Purchase

Good adapter from a mono set-up to get sound from both sides when using headphones. NOTE: not designed to make the sound stereo.

2 people found this helpful

Helpful

Banana Joe Clemente

Excellent product!

Reviewed in Canada on January 18, 2022

Verified Purchase

This little adapter works like a charm! Thank you

Helpful

Tony Sollazzo

Works great

Reviewed in Canada on November 21, 2021

Verified Purchase

Works perfectly, needed a stereo mix switched to mono and this did the trick.

Helpful

Top reviews from other countries

Champagne Jams

Does exactly what I needed.

Reviewed in the United States on June 3, 2024

Verified Purchase

Lets me use the mono output on a synth I built with my stereo headphones. Simple thing I needed done and this thing does its job perfectly.

Curtis C. Campbell

Perfect earbud to two-way radio converter!

Reviewed in the United States on January 14, 2024

Verified Purchase

Work for Union Pacific as a railroad conductor. I use earbuds to plug into my two way radio so I can protect my hearing but still hear what is being said on my radio.

Unfortunately, the boom mic I have is wired for mono only instead of stereo. Makes it so that I can only hear out of one side of the earbud. So I purchased this mono to stereo converter so that I can hear on both sides. Works great for this purpose.

Clicks onto the earbud jack very well. But kinda loose when connecting to the boom mic. Will have to buy a few more as backup in case I loose this one..

One person found this helpful

red cat

Got this for baofeng so I could listen to both speakers on normal headphones

Reviewed in the United States on April 18, 2024

Verified Purchase

Baofeng radio needs to be converted first from 2.5mm to 3.5mm Then I used this so I could get both speakers to work instead of only half my headphones working.

works good.

No Name

Working well with stereo headphone on my pocket talker pro.

Reviewed in the United States on March 4, 2021

Verified Purchase

Working great. Got this with a stereo headphone to hook up to my pocket talker pro. The old mono headphone that came with it broke and I need to replace. Check price for mono headphone was like $30. Got this mono plug and stereo headphone for under $15. A note, this will not work well with a stereo headset that has a mic. So make sure you are using only stereo headphone with this mono plug.

2 people found this helpful

JustinBuyer

Understand The Correct Usage

Reviewed in the United States on March 8, 2023

Verified Purchase

***** NOT FOR A STEREO SOURCE

Some reviewers complained about bad results when plunging this adapter into a stereo source. By design this adapter is intended to be plugged into a MONO source ONLY. I needed this adapter for a “special” configuration. Read on.

***** NOTE ON QUALITY AND RESULTS

I can't say if this adapter will work with any mono device, but it works for me as described below. The connections are secure with no issues. This is day one using this adapter so I don't know about longevity at this point.

***** GET BOTH CHANNELS IN MONO

I needed my stereo headphones to be in mono mode. This will work great for a person with hearing loss in one ear.

This is my solution using a Dell Inspiron laptop and Sony MDR-ZX110 headphones. It ain't pretty, but it works See attached photos:

1. Plug a STEREO TO MONO adapter into your source (computer or whatever).
2. Next plug this MONO TO STEREO adapter into a STEREO TO MONO adapter.
3. Next plug your headphones into the mono to stereo adapter. Now mono sound will be routed to the left and right headphone channels.

***** NOTE ON SIZE

Some reviewers were concerned about the adapter being too bulky for their use. The adapter is a a six sided hexagon shape about 7/16 inch wide. See photo.