USB TELEPHONE AUDIO VOICE RECORDER BOX JB-USB4 IN JOHANNESBURG

4 Channel USB Telephone Audio Voice Recorder Box JB-USB4. One computer can connect 1 USB recording box. Telephone number "DTMF" and "FSK" mode can be showed and recorded correctly. Fully digital mode for record and playback, hi-fi reappearance of the original sound, hard disk of 1GB able to record 175 hours. Specifications: - Input: 1 to 16 channels - Impedance: High impedance >100K ohm - Signal-to-Noise: 50dB - Frequency Response: 300Hz to 3400Hz - Digital Mode: GSM - Collection Speed: 12.5Kbit / 1s compression ratio is 5 - Average Search Path: 39MS - Power Waste: 300W MAX. Asking Price R250 negotiable Please no chancers, cash sale. 614 - show phone -