[Elecraft] K4 Headphones Q

[Dave Sublette]

PS -- latency specs are published on most headsets.  That is how I selected
this model,

K4TO




ps

On Wed, Oct 14, 2020 at 11:35 AM Dave Sublette <k4to.dave at gmail.com> wrote:

> 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 <ehr at qrv.com> wrote:
>
>> Wireless introduces latency, wired does not. Definitely use wired for CW.
>>
>> ED / W2RF
>>
>>
>>
>>
>> -----Original Message-----
>> From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net>
>> On
>> Behalf Of Jim Miller
>> Sent: Wednesday, October 14, 2020 11:13 AM
>> To: Jim McDonald <jim at n7us.net>
>> Cc: elecraft at mailman.qth.net
>> 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 <jim at n7us.net> 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
>> > ______________________________________________________________
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>