Multi-pin Audio Adaptor for Motorola DP2000, DP4000, XPR3000 radio with two pin jack Audio accessory adaptor for headset with Motorola dual pins plug Adapter XADP40-MD compatible with the following Motorola radio: DEP Series DEP550, DEP570, DP Series: DP2000, DP2400, DP2600, DP3441, DP4000, DP4800 MTP Series: MTP3250, Tetra MTP3100, Tetra MTP3200, Tetra MTP3250 XiR Series: XiR P6600, XiR P6608, XiR P6620, XiR P6628, XPR Series: XPR3000, XPR3300, XPR3500