The M12 Amplifier connects Plantronics headsets to just about any single or multi-line phone and offers ergonomically designed volume, a choice of headset or handset at the touch of a button, and mute and volume controls. The M12 delivers precise levels of listening and talking comfort, superior protection, and excellent audio performance to your office telephone.

All-day Comfort. Super lightweight headset -- under 1/2 oz. -- with soft, pliable Versatip® eartip and ergonomic behind-the-ear styling stays comfortable all day. Reduced Background Noise. Eartip helps to seal out background noise from surrounding areas. Superior Sound. Supports Call Clarity and SoundGuard® Plus™ systems which deliver unmatched acoustic quality. Reliability. Durable design and replaceable accessories result in a headset you can count on. Ideal for those who need a comfortable, convenient headset for noisy environments. The ultra-lightweight, Starset headset rests comfortably behind the ear. Its soft, pliable Versatip eartip gently conforms to the natural contours of your ear while providing the acoustic seal necessary to block out background noise. The StarSet® NC™ model further improves outgoing acoustic quality with a unidirectional microphone that cuts ambient noise transmission by up to 75%.

The World's Best-Selling Headset Thanks to Superior Sound Quality and Unsurpassed Comfort Plantronics headsets have become the world's talking point, with more than six million in use today. The Supra headset owes its popularity to the fact that it combines light weight with superior sound quality and outstanding comfort. A fully adjustable headband design provides good stability, while a soft ear cushion not only gives optimum comfort but also helps buffer distracting background noise.

The Lightest, Most Comfortable Over-The-Ear Headset Plantronics headsets have become the world's talking point, with more than six million in use today. The TriStar headset offers premium sound quality and is the first to combine light weight and small size with a unique design to provide optimum over-the-ear fit. The TriStar NC headset is also available with the added benefit of a noise-cancelling microphone, eliminating background noise by up to 75%. With its simple design, replacing the voice tube or earpiece is quick, cost-effective, and takes only seconds. TriStar headsets are ideal for executives, call centers, and help desks, as well as technical helplines, credit control, sales offices, and telemarketing

The World's Best-Selling Headset Thanks to Superior Sound Quality and Unsurpassed Comfort Plantronics headsets have become the world's talking point, with more than six million in use today. The Supra headset owes its popularity to the fact that it combines light weight with superior sound quality and outstanding comfort. A fully adjustable headband design provides good stability, while a soft ear cushion not only gives optimum comfort but also helps buffer distracting background noise.

The Lightest, Most Comfortable Over-The-Ear Headset Plantronics headsets have become the world's talking point, with more than six million in use today. The TriStar headset offers premium sound quality and is the first to combine light weight and small size with a unique design to provide optimum over-the-ear fit. The TriStar NC headset is also available with the added benefit of a noise-cancelling microphone, eliminating background noise by up to 75%. With its simple design, replacing the voice tube or earpiece is quick, cost-effective, and takes only seconds. TriStar headsets are ideal for executives, call centers, and help desks, as well as technical helplines, credit control, sales offices, and telemarketing

The World's Best-Selling Headset Thanks to Superior Sound Quality and Unsurpassed Comfort. Plantronics headsets have become the world's talking point, with more than six million in use today. The Supra headset owes its popularity to the fact that it combines light weight with superior sound quality and outstanding comfort. A fully adjustable headband design provides good stability, while a soft ear cushion not only gives optimum comfort but also helps buffer distracting background noise. This Model is compatible with Norstar and NEC telephones with built in headset ports.

All-in-One: Under the telephone accessory deck hosts Plantronics top-of-the-line A20 amplifier, cord management, DuoSet™ convertible headset, on-line indicator and headset stand. Easy Adjustment : Audible and visual cues simplify the adjustment of incoming and outgoing volume, tone control and mute DuoSet™ Headset: Convertible for either over-the-head or over-the-ear use with new conformable earloop Improved Sound Quality: Unique SoundGuard® Plus and Call Clarity™ technologies for superior sound Easy Installation: Sets up in minutes with plug-and-play automatic conifguration and seamless telephone integration