Plantronics H51M12 Supra Monaural Headset and Modular Amplifier

by Plantronics

Product Details

• Shipping Weight: 2 pounds
• Shipping: This item is also available for shipping to select countries outside the U.S.
• ASIN: B00001W0FJ
• Item model number: H51-M12
• Average Customer Review: 5.0 out of 5 stars  See all reviews (5 customer reviews)
• Date first available at Amazon.com: September 30, 1999

Product Description

Amazon.com Review

Designed for office telephones, the Plantronics H51-M12 monaural headset offers fine audio controls while still allowing you to hear what's happening in your office environment.

Unlike simpler units, the Plantronics headset-amplifier combo does take a bit of setting up; you'll need to plug your phone's handset cord into the amplifier's handset, the phone base into the amplifier and your phone's handset outlet, and finally the headset cord plugs into a Quick Disconnect module and the amplifier's headset.

Also unlike other headsets, a typical multiline phone will not default to the H51-M12's headset when you press a line button. With this unit, you have to remove the handset from the cradle in order to use the headset. Pressing a line button activates the speakerphone.

However, what's lost in simplicity is gained in finer control over both incoming and outgoing audio levels. The volume control on the front of the amplifier controls the incoming volume--that is, what you hear in your ear. On the side of the unit is a slide that controls outgoing volume--what others hear on the line. However, to move this volume slide, you'll need to use a plastic "screwdriver" located on the bottom of the unit.

The H51-M12 is not for use with cordless phones or units in which the dial pad is located on the handset. For a typical office phone, however, this unit is worth serious consideration. --John Frederick Moore

Pros:

• Flexible incoming and outgoing volume levels
• Good sound quality

Cons:

• Requires lifting the phone's handset

Product Description

Amplifier includedSingle earpiece headband headsetSoft ear cusion for all day comfortSuperior voice tube technologyQuick disconnect feature for added freedom

Customer Reviews

Most Helpful Customer Reviews

6 of 6 people found the following review helpful:

5.0 out of 5 stars good product, January 14, 2004

By 

9K2HN "Hamad" (Abdullah Al-Salem Area, Kuwait) - See all my reviews

This review is from: Plantronics H51M12 Supra Monaural Headset and Modular Amplifier (Electronics)

I have been using it for the past 4 month almost every day, and it is really worth every cent. If you are the type of person who use the phone in front of the pc then this is what you exactly need. the good thing that you can use it with any phone regardless of the brand. it turned my cheap phone into a great phone.

5 of 5 people found the following review helpful:

5.0 out of 5 stars Editorial Review is Incorrect, May 2, 2004

By 

"cowboywizard" (San Francisco, CA) - See all my reviews

This review is from: Plantronics H51M12 Supra Monaural Headset and Modular Amplifier (Electronics)

The editorial review incorrectly states that "unlike other headsets, a typical multiline phone will not default to the H51-M12's headset when you press a line button. With this unit, you have to remove the handset from the cradle in order to use the headset. Pressing a line button activates the speakerphone." Actually, the ability to leave the handset on the hook is entirely dependent on the telephone itself and has absolutely nothing to do with the headset. A headset ready telephone will default to the M12 and a non-headset ready telephone will not (the phone may need to be programmed). Check your telephone manual to see if it is headset ready (most manuals are poorly organized and there may not be a section specifically for headsets - check either the speakerphone, handsfree, or "how to answer a call" section of the manual). There are occasional exceptions to this rule - a few phone systems, less than one percent, are built with a certain type of headset in mind (your manual will say if this is true) - but those phones are few and far between.

8 of 10 people found the following review helpful:

5.0 out of 5 stars A power user, January 7, 2001

By 

B. Darby (Orange, CA USA) - See all my reviews
(REAL NAME)   

This review is from: Plantronics H51M12 Supra Monaural Headset and Modular Amplifier (Electronics)

I have used the H51-M12 Plantronics headset for several years. I am in sales and often wear the headset up to 8 hours a day without any fatigue. It is extremely comfortable, has excellent sound quality and works with 95% of phones. However, you may want to contact Plantronics to make sure it works with the particular brand and model of phone you will be using.