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Plantronics MHA100 Headset amplifier

Connect this mobile amplifier to a Plantronics headset and anyone who has difficulty hearing - or who uses their mobile phone in a noisy environment -will enjoy clear and understandable conversations.  more

  • From: Amazon
  • Posted: Sep-02-2008

OK but has issues

The amplifier definitely works well to amplify the incoming callers voice - however the the caller hears a very bad echo repeating back what they said -- have had to switch it off to hold a conversation.

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  • From: Amazon
  • Posted: Jun-03-2008

Batteries expire almost immediately

Because the product is touted as being "voice activated", I assumed that meant it would drain the batteries only when actually being used. But after my first conversation using the device, I disconnected it from the phone and from the headset, and put it away. Got it out again for another...

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  • From: Amazon
  • Posted: Dec-18-2007

Thank you for the opportunity to rate this product

I have found this product very dissappointing! BUT... Because I am a tecky of sorts I am not sure that it may/not be an issue of compatibility with my existing telephone headset. My current headset is not plantronics and I am yet unclear whether that factors in. However the amplifier will cut...

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  • From: Amazon
  • Posted: Nov-07-2007

Silence-Deactivated, not Voice-Deactivated...

The high points:* Small* Has a clip on it (I clip it onto the handset)* Battery life seems great (haven't changed it yet)The low, low, low point:* Cuts out when there is a lull in the converation, during hold music, etc. This problem is a real drag.

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  • From: Amazon
  • Posted: Sep-29-2007

Works fine for me

Great item. I am hearing impaired and this unit works magic. It's lightweight and very convenient to use. I have not noticed a problem with the power down feature. In practical use, it has been fine...but maybe I talk a lot to magpies. The clarity and volume are just essential to me. I'm...

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  • From: Amazon
  • Posted: Sep-07-2007

Simple and just as advertised

I'm a guy on the phone all day and I purchased this because in the summers there is a cooling unit running that is so loud I can't quite hear phone conversations. This unit very nicely fixes this problem. I've been using it for two weeks and to my suprise I am still on the first set of batteries....

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  • From: Amazon
  • Posted: Sep-01-2007

Loud but irritating

It does a great job of amplifying two-way conversations. The problem is that it has no "off" switch--it turns itself off when it doesn't detect sound. So, if you're having a conversation with someone who is a soft speaker (the main reason I bought the thing!) it turns off--and then you hear even...

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  • From: Amazon
  • Posted: Aug-29-2007

When it works - it works great!!!

The MHA100 is small, compact and easy to use. It works great when the batteries are alive. Since they use THREE Zinc L675ZA hearing aid battereis, they have a limited life (one or two weeks max) once activated by the air. And these puppies are not cheap.

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  • From: Amazon
  • Posted: Aug-24-2007

Impractical

An amplifier for cell and cordless phones is a great concept for noisy environments and for those hard of hearing, but due to the power conservation design of the product, it is impractical for use.

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  • From: Amazon
  • Posted: Jul-22-2007

Plantronics outsourced a good idea into a bad product.

A 2.5 mm amplifier is a great idea. It sure beats a half dozen adapters to hook up a bigger amplifier and expand/reduce the plug size. However the drawbacks outweigh the product design.First: Zinc/Air batteries start dying the moment they are exposed to air regardless if you use them or not....

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