Plantronics S12 Corded Telephone Headset System
Customer Reviews
Honestly, I bought the Plantronics S12 for the looks and for the price. Now that I am using it, I have discovered that it is much better than the higher priced units that are being used around my office.
On the left hand side of the unit there is a sliding switch so that you can modulate the headset to your telephone. This worked for me out of the box. Depending on your telephone, you may have some hiss on the line, but I have none.
On the right hand side there is a switch to set the microphone between high and low gain, and there is a dial to fine tune it within each of the settings. Out of the box, I sounded very loud in the ear piece and people could hear me typing. I set it to low gain, and moved the dial to the lowest setting. People can still hear me fine, I cannot hear myself in the speaker, and no one can hear me typing. This is fantastic! My previous headset could not turn down the gain this low, now I can use the mute button less!
The headset flashes a red light when you are on the phone. People will now know that they can interrupt even if you have your headset on, they just need to check for the flashing light. There will be a learning curve for this in my office, but it is a great idea.
And finally, the amplifier bas has a holder for the headset, a simple but wonderful idea that does not work so well with the over the head configuration, but it still works.
The only problem is that the Plantronics S12 has no battery backup. But if the power is out at the office, there is only so much you can do on the phone anyway and you don't need a headset then since you cannot type on your computer anyway.
this headset system is perfect. works like a charm in the office. I'm in sales, so i need to have a phone system that presents professionalism not just in words but also in sound quality. Crisp sounds is what I get from the other end ...and from my end, listeners get clear communication throughout.
save yourself the $200 it'd cost to get the hardcore separate models and get this all in one package. it's worked wonders here for me..
Product Details
- Product Dimensions: 8.9 x 5.8 x 4.4 inches
- Shipping Weight: 1.3 pounds (View shipping rates and policies)
- Shipping: This item is also available for shipping to select countries outside the U.S.
- ASIN: B000136P8W
- Item model number: 65145-01
Price : $69.99
You Save : $37.80 (35%)

Product Description
Amazon.com Product Description
The Plantronics S12 Telephone Headset System offers hands-free convenience and comfort and includes a 2-in-1 convertible headset for over-the-head stability or over-the-ear convenience, a noise-canceling microphone for superior sound clarity, and the Firefly in-use indicator light that lets others know you are on the phone.
With a 5.75-by-9.0-inch footprint, the S12 fits easily onto available desktop space, while a headset stand provides a convenient resting place for the headset.
Plantronics S12 Telephone Headset System
- Over-the-head and over-the-ear configurations
- Noise-cancelling microphone, call clarity technology
- Volume and mute controls
- Convenient headset stand
- Compatible with single and multi-line phones
Clean Design and Hands-Free Convenience
The S12 is a complete telephone headset solution for those looking for hands-free convenience with clean, uncluttered design. S12 is a corded headset that includes a Firefly in-use indicator headset and a stylish adapter which connects to your telephone. The S12 is compatible with the majority of corded business telephones through the use of a slide switch and microphone level controls. It's compatible with both single and multi-line phones for application flexibility.
Volume and mute controls on the S12 keep you in control of the audio during the call. An extended boom and noise-canceling microphone filter out background sounds for heightened speech clarity. Get the audio quality of corded handsets while keeping your hands free to type or take notes.
Exclusive Firefly In-Use LED Indicator
The Firefly in-use indicator headset is unique to Plantronics and features a bright LED that flashes when you are using the headset to make a telephone call. It is prominently situated near the headset microphone to ensure your colleagues are aware that you are using the telephone.
Two Wearing Styles for Total Comfort
The headset features two wearing styles: a conformable earloop and an adjustable headband, with a behind-the-head neckband as an optional extra. Enjoy the convenience of an over-the-ear design or the stability of an over the head design for maximum flexibility.
Add Hands-Free Capability to Any Desk Phone
The S12's adapter connects to your telephone. The adapter includes features such as headset/handset switch, volume control and mute control for your listening comfort. The adapter can either be powered using batteries or by an optional power supply unit.
Technical Specifications
- Weight: Over-the-head, 41 grams; Over-the-ear, 18 grams
- Frequency Range: Transmit, 100 to 4000Hz; Receive, 200 to 4000Hz
- Noise Cancellation: 10dB
- Acoustic Limit: 24dBPa
What's in the Box
Headset, amplifier, AC power adapter, cord (phone to amplifier)
Plantronics S12 Telephone Headset System 65145-01 Headsets ; Earsets
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Technical Details
- Over-the-head and over-the-ear configurations
- Volume and mute controls
- Noise-canceling microphone, call clarity technology
- Convenient headset stand
- Compatible with single and multi-line phones

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