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One audio interface for two iPads, is it possible?
Dear Audiobus community,
for live set purposes I'm using two iPads: a M2 iPad Pro to play synths/heavy CPU AUV3s, and an iPad Mini 5 as a vocal fx processor for my own voice. For the iPad Pro I just need the audio interface to have one single L-R stereo output (I'm currently using ESI Audio Gigaport EX, 8 outs and 0 ins), for the iPad Mini I'd need at least 1 Microphone input and stereo output. I don't want to bring two separate audio interfaces for my live sets, is it possible to connect one single audio interface to both iPad? I know that there's the IConnectivity Audio 4c, but I'm not sure if I can route both iPads together and sing while playing synths with near to 0 latency as if I'd be using two audio interfaces; but also charge both devices with the power supply. Any help?
Comments
Plug the iPads into a mixer? In stead of an audio interface. They make usbc to audio jack cables.
I don't have any experience with the AUDIO4c, but at a glance it seems like it does come pretty close to solving your issue. The only catch I can see is that it appears to support charging on only 1 of the 2 USB-C ports.
If one iPad only needs to output, the USB-C to stereo jack might be good enough for that. Then you'd only need one USB connection total, for the iPad that has round-trip audio. If you need to power the output-only iPad, a hub could allow you to connect to a power supply while still outputting through the USB-C to stereo adapter. I do this, personally, and it works fine.
Maybe look into mini mixers like the Akai AMX which works as an interface and mixer. You could hook up the mini via RCA and the M2 through USB.
https://www.akaipro.com/amx
The guy from DigitalDJTips said the AMX only worked with Serato -- no sure if he just meant the knobs -- I dont see any way to midi hookup/control remap stuff. Maybe through the usb (printer socket) and a computer?
good review in a current setup
Check out the Joyo Momix Pro.
I've got one and it's fantastically versatile. I'm using it at the moment as a multi input mixer (with analogue out into a single input audio interface), but it's supposed to work with 2 iOS devices (one as master and the second as a digital in). With iOS I've so far only used it with one device, but it does that well. It has its own internal rechargeable battery. Device connection comes via USB-C, but it comes with a USB-C to lightning adapter.
That does look interesting. I wish there was a more detailed manual available to better check out how the USB ports function. It looks as though OTG 1 has loopback so that you can use amp sims on one device and get the sound back into the mixer, and OTG 2 is just an input via USB. (I guess that's what you said, but I didn't really get it until I had to put it into my own words.)
No MIDI though. Good. Snap GAS purchase averted.
I use two iPads with my teenage engineering tx-6 . My iPad Pro with usb c is connects to it as the interface, and my old iPad Pro headphone out to one of the stereo inputs.
Then i run it into aum/loopy etc.
If you need the interface on both I’m not sure what you would use for that tho
Lol, I too have this weird relief from time to time
Thank you so much for your inputs! Loved the Joyo Momix Pro, never heard of it! So do you think any usb mixer/audio interface with a Digital I/O could do the work? I also came across this one right here: https://iconproaudio.com/product/duo22-dyna/
If I connect the main USB port to my iPad Mini and then the Digital I/O to the iPad Pro, would the iPad mini recognize the mic as an input and also play sounds from the iPad Pro? I see a lot of examples for streaming and live broadcasting, not so much for live music performances
Always surprised me how little the market took to multi iPad controllers / interfaces. Then again, remembering how Apple treated those the manufacturers that did try iPad centric interfaces with little care for keeping them aware of OS updates and hardware changes, I'm really not surprised.
Shame, as multi iPads with all midi, audio and power each connected by one cable would be great.
Do each of the inputs show up separately in the OTG 1 USB input to iPad/iPhone? Does this include the AUX and OTG 2 inputs? That could be very nice. I'd consider handling MIDI separately if that were the case.
If both iPads have USB-C dongles with Ethernet ports you can use a single Cat5 or 6 Ethernet cable between iPads and connect one to another by Sonobus App on yout host app. Send on one iPad and receive on the second one that have the audio interface.
Use fixed IP adressess on both iPads (for simplify connections on Sonobus- fixed IP address is configured on iPadOS setup app - Ethernet tab), send Uncompressed WAV 16 or 24 bits for low latency.
Maybe a crossover ethernet cable is needed, if some Ethernet port don't have auto crossover function. A simple small hub/switch eliminates this necessity.
Tried and tested setup - In use on my iPad only music setup. With added bonus - send Network MIDI between iPads too by ethernet.
Could you try daisy chain the iPads with the Rode Al micro ? Coming out of it into either mixing desk or other device. It has 2 mic inputs and one stereo out . Have your vocals coming into main iPad via mic in on rode and full mix out of stereo out into your device of choice . You can pick one up on Amazon for under £70 . Great robust bit of kit and comes with a few different device attachments . Would be awesome for jamming session with the possibility of running 3 iPads at once 🤯🤯🤯
bringing this up!!! any suggestions?
Thanks you mentioned Joyo Momix Pro and iCON Duo22 Dyna, interesting devices. Look great on paper, but it seems too good for the price. I doubt they really can operate as 2 fully capable independent audio interfaces which is what OP need:
"I'm using two iPads: a M2 iPad Pro to play synths/heavy CPU AUV3s, and an iPad Mini 5 as a vocal fx processor for my own voice"
@wim & @marcoauti2000 Damn... I've just incorporated my Momix Pro into an outdoor looping floorboard, put it in a small flight case and literally just now discovered it was the perfect size to slide neatly under my sofa.... NOW you want me to go and unslide it, unplug everything and do some testing??? Oh alright then
Will report back soon.
I will tell you the only annoying thing so far is that the reverb on the analogue inputs 1&2 is turned on automatically by default... easy to toggle off though.
So. I plugged an iPad Pro 12.9 2021 gen 4 into OTG port 1 and an iPhone 12 Max into OTG port 2. Both devices see inputs 1&2 (the 2x 1/4" / XLR combo jacks) simultaneously. They don't see each other, or any of the other input ports (instrument / aux). So, it shares the 2 main inputs, but sees the iOS devices separately until it mixes the outputs together.
What surprised me is there's no apparent difference between OTG1 or OTG2 usb-c ports, I'd assumed one was a master and the other just an input feed
Charge/power through worked fine on my iPhone, but caused issues on the iPad (charge indicator switching on and off and interface no longer seen) - this may be because of my charger / cable - will try one with more oomph at some point.
@marcoauti2000 The thing I like most about the Momix Pro is the internal battery and the option of phantom power (over the Icon which needs external power). This for me though is a couple of hours at a time jamming in my garden, not in any gig situation. Seems to last well though (relative to all the other things I spend my life finding have run out of juice just when I want to use them). I will test further and try to put a more exact time length on that.
Thanks for doing that testing. I never would have asked if I knew you would have to resort to pulling that thing out from under the couch! 😎
Those are interesting results, and I think I like them well enough. It would be cool if you could route between them some way, but that's OK. The battery would be handy as whenever I plug power in to an interface or to charge the iPad, I get buzz from the mains on my guitar. I've tried everything to eliminate it to no avail. I usually end up using a power bank anyway, so one less hassle.