No other amplifier required when using this cable . Quick disconnect . Smokey gray colored plug . 1 year warranty

The Plantronics H-series of headsets is a versatile and broad line of items. The PL-66267-01 is a Plantronics adapter cable that is designed for use with the H-series of items. Easily connect a Plantronics H-series headset to most headset-ready phones via the headset port with the A10 cable.