I use a bluetooth set from Avantree and there is no latency that I can detect. I operate CW almost exclusively, using a key paddle and copying in my head. I don't know how they would work with keyboard and speeds above 25 WPM
Dave, K4TO On Wed, Oct 14, 2020 at 11:32 AM E.H. Russell <[email protected]> wrote: > Wireless introduces latency, wired does not. Definitely use wired for CW. > > ED / W2RF > > > > > -----Original Message----- > From: [email protected] <[email protected]> > On > Behalf Of Jim Miller > Sent: Wednesday, October 14, 2020 11:13 AM > To: Jim McDonald <[email protected]> > Cc: [email protected] > Subject: Re: [Elecraft] K4 Headphones Q > > How about latency for CW either wired or wireless? > > How do you deal with battery life in contesting? > > Stay safe! > > Jim ab3cv > > On Wed, Oct 14, 2020 at 10:35 AM Jim McDonald <[email protected]> wrote: > > > Over the ear - very comfortable. > > > > Top rated (87) by Consumer Reports - tied with the new model. > > > > 73, Jim N7US > > > > -----Original Message----- > > > > Do the QC-35 rest on your ear or are they over the ear? > > > > Rich - N5ZC > > > > On 10/14/2020 7:59 AM, Jim McDonald wrote: > > > I just bought a pair yesterday at a closeout price of $170 from my > > > local > > Costco. They have been discontinued. Costco online is now out of > > stock, but some stores still have them. Amazon has them for $199 now. > > > > > > My favorite headphones up to now has been Sennheiser HD 280 PRO but > > these sound great and eliminate the noise from my KPA1500 with the fan > > on > > #2 and a nearby water heater fan. No comparison with my old QC2 > headphones. > > > > > > 73, Jim N7US > > > > > > -----Original Message----- > > > > > > > > > I also use a QC-35. When plugged in with a cord, the power must be > > > on > > for the noise cancelling to work. That also turns on the DSP which > > greatly improves audio quality. > > > > > > ED / W2RF > > > > > > > > > > > > > > > -----Original Message----- > > > > > > 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 > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:[email protected] > > > > This list hosted by: http://www.qsl.net Please help support this email > > list: http://www.qsl.net/donate.html Message delivered to > > [email protected] > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message > delivered to [email protected] > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
