Replacement Quick Disconnect Coil Cable For M-12 Amplifier And All H-Series Headsets Dasan manufactured brand - Works with M10,M22,AP15 amps - READ PRODUCT DESCRIPTION LISTED BELOW Use with Plantronics H or HW Series headsets to connect to amplifier. Will fit VXI P series, Smith Corona P Series, Starkey PL Series, any PLT QD compatible headset Works with Smith Corona P series, VXI P series, Starkey PL Series, H/HW Series Headsets CONtact Headset World USA with any questions regarding compatibilityc Can use with any headset with a plantronics compatible quick disconnect