mwoke Posted July 28, 2015 Share Posted July 28, 2015 Just a quick question has anyone tried IEM using Bluetooth transmitters/receivers? such as http://www.amazon.co..._dp_o_pC_nS_ttl If so, what were the results? Admittedly it's not a proper IEM system, but as real systems are fairly expensive for us musicians who mainly play for the love of it and only do the odd gig or two a year, is this a feasible option for going wireless? I appreciate the signal range will be a lot smaller, but should be enough to give reasonable movement if transmitter and receiver both on stage. Or is it just a completely pointless exercise? Link to comment Share on other sites More sharing options...
Stuart91 Posted July 28, 2015 Share Posted July 28, 2015 Your biggest problem might be latency. Nobody notices a delay coming from a playback device. But if you are trying to keep in time, or listen to your own vocal, even a relatively small amount of latency can be really offputting. At the sort of price you're looking at it might be worth a try but don't expect stellar results. Link to comment Share on other sites More sharing options...
sam.spoons Posted July 28, 2015 Share Posted July 28, 2015 A couple of years ago I tried my son's bluetooth headphones for watching post-gig telly so as not to wake the family. The latency was sufficient to make them useless for watching the TV as the sound and video was out way of sync. Never been back since. Maybe a modern device might work but I doubt it. Let us know if you try it as I'd consider a similar rig (for similar reasons) if it works. edit :- this might do the trick AptX edit 2 :- or maybe not, here it claims a reduced latency of 40ms (from 15ms+ typical of bluetooth connections) which is still much too slow for IEMs, it's generally accepted that 6ms is the max tolerable by most musos. Link to comment Share on other sites More sharing options...
MarkPAman Posted July 28, 2015 Share Posted July 28, 2015 I've also noticed some slightly disturbing pitch fluctuation on some bluetooth devices. Link to comment Share on other sites More sharing options...
sameness Posted July 28, 2015 Share Posted July 28, 2015 Do you also have a wireless instrument? If not, then a poor mans option would actually be a lead from mixer/multicore that then feeds your headphones via a headphone amp of some description Link to comment Share on other sites More sharing options...
the kid Posted July 28, 2015 Share Posted July 28, 2015 Would a car FM transmitter + small pocket radio work ? someone with a better knowledge would know delays but I imagine its better than bluetooth. Link to comment Share on other sites More sharing options...
GaryNattrass Posted July 28, 2015 Share Posted July 28, 2015 Delay is a huge problem and I thought it would be a great idea to use my bose bluetooth speaker with Logic pro for guitar amping but it is far too much. Link to comment Share on other sites More sharing options...
sam.spoons Posted July 28, 2015 Share Posted July 28, 2015 Would a car FM transmitter + small pocket radio work ? someone with a better knowledge would know delays but I imagine its better than bluetooth. FM would have no perceivable delay/latency but quality in the broadcast band would be very questionable. Latency/delay is the bane of all real time digital audio systems Link to comment Share on other sites More sharing options...
OddSocks Posted July 29, 2015 Share Posted July 29, 2015 Have you seen gear4music's In ear Monitors? I have a couple of these systems and think they work well for the money. Link to comment Share on other sites More sharing options...
paulears Posted July 29, 2015 Share Posted July 29, 2015 A simple "phut" or strange warble is pretty offputting when it's your only monitoring source. In the studio you could master on some old computer speakers that you returned because occasionally they'd crackle - but why would you want to do this. One of my Sennheiser receivers has an occasional rise in background noise. I use one that works properly, with this one retired to emergency use. IEMs must be solid and reliable. Bodging something this critical is frankly a bit silly. Do you compromise on your instrument, or amp? Same thing. Link to comment Share on other sites More sharing options...
RichM Posted July 29, 2015 Share Posted July 29, 2015 If you only do "the odd gig a year" do you really need IEM's at all? Link to comment Share on other sites More sharing options...
sam.spoons Posted July 29, 2015 Share Posted July 29, 2015 I've just been reading up on Digital IEMs and the only pro system I can find at present is the Lectrosonics Quadra. It doesn't use 2.4GHz though but the same UHF band as our existing UHF/FM wireless gear. I'm not sure but I think that makes it illegal in the UK as, IIRC, digital transmission is not allowed in the UHF band. If Line 6 haven't made a digital IEM system yet you can be fairly sure that the latency of 2.4 GHz digital systems is too bad for IEM use at present. Link to comment Share on other sites More sharing options...
GaryNattrass Posted July 29, 2015 Share Posted July 29, 2015 Gear for music do a budget ch70 legal UHF system that may be of interest: http://www.gear4musi...Monitor-Systems Link to comment Share on other sites More sharing options...
Dave m Posted July 29, 2015 Share Posted July 29, 2015 do all IEM's need to be wireless? ok so a bit of a hassle with an extra cable, but a bit of planning might make a useable system for the occasional gig. I have seen blokes with wireless guitars and IEMs plant themselves on a bar stool confront of a wired mike and not move in 60 mins Link to comment Share on other sites More sharing options...
sam.spoons Posted July 29, 2015 Share Posted July 29, 2015 Good point. Wireless is always going to be more risky than wired. My policy is to not use wireless unless it confers significant benefits over wired. Remember, however good your wireless kit is it will turn around and bite you on the bum sooner or later http://www.blue-room.org.uk/public/style_emoticons/default/rolleyes.gif Link to comment Share on other sites More sharing options...
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