#andrea electronics corporation

Andrea Electronics C1-1021450-1 Model USB-SA-1 High Fidelity External Digital Sound Card with Noise Reduction Technology

Andrea Electronics C1-1020700-1 Model PCTI-3 3-Way Telephone Headset Interface, Designed for Maximum Telephone and Computer Connectivity; 2.2k Ohm, 5 VDC Microphone Power Provided