| | |  | Home Business Electronics | Home » » Plantronics M22 Amplifier | | | | | | | Description: | | Plantronics M22 Amplifier | | | Features: | |
• M-22 PLANTRONICS UNIVERSAL MO AMPLIFIER/ADAPTR *NIC*
• M-22 PLANTRONICS UNIVERSAL MO AMPLIFIER/ADAPTR *NIC*
• WARRANTIES FOR M22 PLANTRONICS UNIVERSAL AMPLIFIER
| | | Product Details: | | | Product Length:
| 7.25 inches | | Product Width:
| 5.75 inches | | Product Height:
| 2.0 inches | | Product Weight:
| 0.7 pounds | | Package Length:
| 7.0 inches | | Package Width:
| 5.5 inches | | Package Height:
| 2.2 inches | | Package Weight:
| 0.5 pounds | | Average Customer Rating:
|  based on 24 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 24 customer reviews )
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Most Helpful Customer Reviews
29 of 32 found the following review helpful:
 Still trying! I hope is as good as it says...Apr 21, 2007
By Paty
I purchased the amplifier M22 with the compatible plantronics 261N headset (must be their brand, or else you wont be able to plug it in to the amplifier).
At first, I could not use it since it was not compatible with my phone system. You need to be able to unplug the handset from your phone, and it cannot be wireless and the number pad cannot be in the handset.
So, I bought a new phone. But the amplifier was not compatible with the new phone, and even when I adjusted the settings, I could not get a clear dial tone.
I tried to reach technical support and when I told them that even though I adjsted the settings, I still could not get a clear dialtone... well, they hung up on me! So, I researched online and finally found a web page that said that if you adjust the settings and still cannot get clear sound, then your phone is not compatible.
Today I exchanged the second phone and bought a third phone that FINALY was able to give me a cear dial tone, but I still hear a lot of static on the line and even at maximum volume the sound does not sound louder than the regular phone volume without the amplifer. But I am able to regulate the volume of my voice through the phone, so that helps.
I just could not believe that the amplifier does NOT come with a power adapter. It has already been an inconvenience for me. Today was the first time that I use the headset (despite the static) and on my first phone call the head set began making a beeping sound that alerted me to change the batteries! ON THE FIRST CALL!! (I installed the batteries when I purchased the amplifier a week ago, but the amplifier was unplugged and stored away while I tried to find a compatbile phone).
So, it looks like tonight I wont be able to work AGAIN. Tomorrow I will get new batteries, and try to find a power adapter that will go with the amplifier, and buy a fourth phone that hopefully will be compatible with the amplifier AND give me a clear line!
I just dont know what to do! Apparently, it is just a matter of trial and error... It would be great if they made a list of phones that give the best sound with their product.
Im an interpreter, my voice is my business, and I need an amplifier that will allow me to raise the headset volume so that I can hear my clients clearly. Since we make conference calls to offices in several different states at the same time, our voice volume goes down as it passes through the several different phone systems. So I ordered the amplifier hoping to hear my clients better and be able to raise my voice level through the amplifier and not have to shout into the microphone.
The product information made it seem like a great system, and I wont give up on it just yet!
I just recommend that customers order the power adapter along with the amplifier, get the headset that THEY recommend, and then be prepared to find a compatible phone. Yours might work, but I have not had good luck... yet... will try again with a new phone on Monday.
7 of 7 found the following review helpful:
 Use an Adapter--Eats BatteriesMar 28, 2008
By Jack Puglis
This product works great. It's easy to connect, and easy to use. The volume control is a big help when a caller is faint. You can also adjust the outgoing volume easily.
It has one significant flaw--it goes through batteries so quickly that it's not worth using this device unless you use a power adapter with it, which I now do.
6 of 6 found the following review helpful:
M22 reviewJan 11, 2009
By Ploni
Overall good product. Setting up for a different type of phone line was quick and easy.
I have two issues with this device:
- an AC adapter is not included in the package!
- It was not stated that you don't necessarily need a Plantronics headset to connect the amplifier (which resulted in me buying one, when I already had one from a different brand)
8 of 9 found the following review helpful:
M22 AmplifierApr 04, 2007
By Sandra A. Eckert
"Sandy Eckert"
The amplifier and its linking binural headphones provide a loud clear sound that allow me to type telephone interviews as I conduct them. It is something I've been looking for for a couple years.
My only problem has been contacting the company for the optional plug-in cord so that I don't have to use batteries all the time.
S
4 of 4 found the following review helpful:
Gives you a booming voice and amps both receive / xmitFeb 13, 2010
By HMMWV
"God, Country, Corps"
There are alot of phone headsets that are amplified on the receiver (EARPIECE) - this one amplifies BOTH the mic and ear on analog phones. It features a 6 position switch to deal with oddball wiring of the microphone, voltage differences on special key phones, but lacks a comprehensive EVERY phone chart unfortunately. Thinking about it, that's realistically impossible as new phones come and go and this product has been here for 20 years.
It does run on 2 AA batteries or an optional adatper for wall power (not another one please!) but realistically even though I am on the phone ALOT I am still on my first set of AA batteries. I change the batteries in my remote control more often! The reason for this is that it has an automatic power down mode when not being used (I recently added a phone recorder to my headset and about 5 seconds after the conversation was over, I could hear background noise go away on the recording when the M22 turned itself off. If you record your calls it's great since VOX works better when the M22 powers down.
People I talk to say I am LOUD and CLEAR - more so than with the handset that came with the phone. I did try the passive connection that came with my business phone set for a heatset plug in with the plantronics cord first - using that people prefered the handset over the headset because it was louder. Adding the M22 reversed things.
For 90+ % of the phones on the market the factory switch settings will work fine. The other 5 are for oddball wiring configurations. I've used 2 of the other 5 possibilities on a wide variety of telephones over two decades (it wasn't always called the M22 back then but the design looks the same so I'm assuming not much changed)
Finally, you don't need a headset nor a business phone. Provided your telephone is not a dial in keypad design where the line voltage runs up the wire to the handset, this will work with home phones too. You can adjust your mouthpiece volume and your eapiece volume separately. As a final touch, the adjusting tool is a sliver of plastic to help with those little rotary knobs and is thoughtfully included with the unit on the under side so you don't need to go get a tiny screwdriver.
I deducted 1 star because after 2 decades the price should have gone down on this long standing design (It's more than a key phone for my PBX) - but hapily the quality is still there.
See all 24 customer reviews on Amazon.com
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