Dongguan Jie Tong Electronic Instrument Co., Ltd. 
 Contact: Mr. Zhou 
 Tel: 13760331089 
 QQ: 1511158498 
 T: 0769-82086182 
 F: 0769-82086182 
 Zip Code: 523710 
 Address: Hung Lai Yuen Road, Zhenjiang Tangxia Garden 3 6F 

 Product Name: VP-7722A Audio Analyzer 
 Brand: Panasonic 
 Model: VP-7723A 
 Product Index: 10Hz-110kHz 
 Product Information: Audio Analyzer 
 Product Description: 
 With very low distortion factor, high output of the oscillator. 
 Built-in harmonic distortion analysis testers. 
 Test function: Frequency 10HZ-110KHZ, 
 Voltage: 300uV-100Vf.s, S/NO-130db, 
 Distortion factor :0.01-100f. S, 
 Signal to noise ratio :0-80dbf. S.