Andrea Electronics C1-1021450-1 Model USB-SA PureAudio External Digital Sound Card with Patented 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

• Removes the Uncertainty of Legacy PC Audio Quality and Compatibility Issues
• USB 2.0 Full Speed Operation Device ClassSpecification V1.0 Compliant (Digital Audio Device)
• USB Stereo Microphone Input and Stereo Speaker Output
• Small Form Factor is Convenient for Portability withAudio Peripherals
• Power On / Data Transmit LED Indicator
• Win98 SE / Win 2000 / Win XP and Vista Compatible
• Mac OS9/10 (without Andrea Software) Compatible

• Mic Input:
• Microphone power provided: 2.2k Ohm, 5 VDC
• Connector: 3.5 mm jack; "tip", mic power and audio input; "ring" no connect
• Headset Output:
• Headphone output impedance: 8 to 32 Ohms for mono headsets, 16 to 32 Ohms for stereo headsets
• Signal to noise: 40 dB (min)
• Connector: 3.5 mm jack; "tip" right speaker; "ring" left speaker, "sleeve" speaker low
• Computer In / Out:
• Microphone Input: 3.5 mm plug connects to computer mic input
• Speaker output / headset output: 3.5 mm plug connects to computer speaker output or headset output
• Cable Length: 7 feet
• Multimedia Speaker Output:
• Connector: 3.5 mm stereo jack
• Power:
• Voltage (Wall transformer supplied): 9 VDC
• Current Drain: 70 mA (max)