01-10-2012, 04:33 PM
GK,
I just wondering what speaker do you use? If you rolling on the ultrasonic, you have to make sure your speaker has the right frequency response, which is at least 20,000 hz or 20 KHz.
I just wondering what speaker do you use? If you rolling on the ultrasonic, you have to make sure your speaker has the right frequency response, which is at least 20,000 hz or 20 KHz.
It is not the goodbyes that hurt but the flashbacks that follow.....