Not only was this just what I needed, but the price and service from Two Way Direct were superb.
RLN5318A: The RLN5318A is Our Replacement for the Motorola Original Black 2 Wire Surveillance Kit. Our Replacement Features 2-wire surveillance kit earpiece unit with clear Audio Tube and a FREE memory foam comfort ear tip. It is popularly used as a Motorola CLS1410 Earpiece.
This surveillance headset is compatible with: