Motorola PMLN6123, PMLN6123A IMPRES Black 3 Wire Surveillance Kit with Translucent Acoustic Tube for APX and MOTOTRBO XPR 6000, 7000 Radios. The 3-wire surveillance kits offer flexible and very discreet communications - 1 wire is for receiving, 1 wire for the microphone and 1 wire for the PTT (push-to-talk). Motorola's state-of-the-art IMPRES technology allows communication between the radio and the audio accessory.
The result is optimal audio performance, enhanced audio gain capability, and increased customization, assuring the highest quality communication. Compatible with APX 8000, APX 7000, APX 6000, APX 4000, APX 3000, APX 1000, MOTOTRBO XPR6100, XPR6300, XPR 6350, XPR6550, XPR6580, XPR 7000e, XPR7350, XPR7550, XPR7580 radios.