The AXR is only rated to be used with 8 Ohm speakers and we would not recommend using it with 4 or 6 Ohm speakers.
Using the AXR with 4 or 6 Ohm speakers could result in the amplifier overheating, which in the long run could damage the unit.
Can I use 4 or 6 Ohm speakers with the AXR85/100/100D?
If you still have questions, please contact us by submitting a request here and our Support team will be more than happy to help – Contact Form