Fabrication IF-4000 Interferential Therapy Unit

What settings deliver 4-khz carrier frequency, beat frequency of 80–160 hz and intensity of less than 33 ma? i don't know how to set this up.

Hi i need to buy an adaptor to convert the plug that comes with this device to a 3-pin plug for ireland. what search term do i use?!

Do you sell one with a higher fequency? Higher than 150hz.

Is this unit available with 4 channels 8 pads