10-27-2012, 04:49 PM
I checked the link you provided and I saw
TECHNICAL SPECIFICATIONS
Frequency response: 100 Hz - 20 kHz
Try to use speakers that have have a FR above 20 kHz as they will better work with Ultrasonics.
TECHNICAL SPECIFICATIONS
Frequency response: 100 Hz - 20 kHz
Try to use speakers that have have a FR above 20 kHz as they will better work with Ultrasonics.