[Elecraft] K4 Headphones Q

[Gary Smith]

Jim,

I only use my Bose QC-35 when:

1. on the cell phone.
2. mowing the yard/tuning my motorcycle
3. whenever using the K3 & K3s. 

The noise cancelling works perfectly with 
the blower from the Alpha 77SX right next 
to me, I only hear what is coming in from 
the radio. Why your QC-35 does not noise 
cancel when attached via cord is not 
normal, mine is a Godsend.

73,

Gary
KA1J

> 
> I have Bose QC-35 headphones. Noise canceling does not work on any
> radio when you use the cord. Headphones work well with a Bluetooth
> connection.What kind of device do I use, if and when my K4 is
> delivered?Also on the K4 can a USB port expander be used on the K4
> with multiple devices and what is the K4 limited  to?Jim K9TFSent
> from my T-Mobile 4G LTE Device
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