CY-3010Digital language teaching machine

CY-311Partition intelligent broadcast system
The main technical parameters:   1. Audio power: 65 w   2. The frequency response: the 250-10 KHZ   3. The voice ratio: > 88 db   4. The MIC input: 100 mv or less   ...

CY-2112Partition intelligent broadcast system
The main technical parameters:   1. Audio power: 65 w   2. The frequency response: the 250-10 KHZ   3. The voice ratio: > 88 db   4. The MIC input: 100 mv or less   ...

CJY-2011Teaching the VCR
The main technical parameters:   1. Power: 65 w   2.  Tape playback   3. Take the counter   4. Communicate erasing and bias   5. Double microphone, the microphone v...

CJY-9171Teaching the VCR
The main technical parameters:   1. Audio power: 65 w, double track   2. Tape playback   3. Take the counter   4 AM, FM band radio 2   5. Ac erase, bias   6. Can...