iPhone 4S hooked to external DAC yep its working

Interesting. Thanks for the info. Was actually planning to get my hands on S3 and make use of Android's USB Audio. Certainly changes things.

http://thecydiastore.com/app/org.thebigboss.cameraconnector/

http://moreinfo.thebigboss.org/moreinfo/depiction.php?file=cameraconnectorDp

They said that works only with HID devices but I guess even more options should be OK:

http://www.funkyspacemonkey.com/cameraconnector-connect-usb-devices-to-your-iphone

http://www.iosmusician.com/2012/07/iconnectionkit-ipad-camera-connection-kit-cydia-jailbreak-tweak-ipod-touch-issue.html

FYI - here is a free app for FLAC 24/96

http://forums.hardwarezone.com.sg/eat-drink-man-woman-16/%5Bsic%5Dfree-player-ios-plays-flac-24-96-a-3577251.html

shhh or they'll break it....

USB Mass Storage will be supported in next release:

http://modmyi.com/forums/iphone-news/810319-how-use-ipad-camera-connection-kit-iphone-ipod-touch.html

8930 (iPhone 4 and iPod Touch 4G) and 8940 (iPhone 4S) devices should work best for now according to that post by winocm above.

http://theiphonewiki.com/wiki/index.php?title=S5L8930

http://theiphonewiki.com/wiki/index.php?title=S5L8940

Now I am looking at the prices of used 64GB iPod Touch 4G while trying to figure out what USB DACs work without installing drivers.

This list was not updated because of better support since iOS 5 was released:

http://www.head-fi.org/t/507559/list-of-dacs-that-work-with-ipad

That looked so cool.

I might think about CCK like this for home/office as well:

http://www.ebay.com/itm/3-Ports-USB-HUB-5-In-1-Camera-Connection-Kit-Card-Reader-Ipad-2-The-New-Ipad-3-/120964979493

According to winocm, iPhone 4 with S5L8930 should be supported by that 99-cent app at the moment.

However, it also depends on what USB DAC you have.

I read that thread about iPad and USB DACs earlier today. If your USB DAC were not self-powered while iPhone 4 might say something like power is too low for your USB DAC, then you will have to get this T3Hub in order to trick your iPhone 4:

http://www.amazon.com/DR-BOTT-T3Hub-USB-White/dp/B000OLHGWU

Alternatively, you might be able to get away with an unofficial CCK that will give you the option for an external DC 5V power source:

http://www.ebay.com/itm/Connection-Kit-3-USB-Hub-Sync-Charge-for-iPad-2-iPod-Keyboard-Digital-Camera-PC-/251106651724

Granted it would be only wasting less than 10 bucks even if that unofficial CCK were no good. Not that bad if you ask me.

I'll report back once I've tested it.

Edit: Cancelled my order when I learned that the E17 needs to have external power as per this post:
http://www.head-fi.org/t/587912/fiio-e17-alpen-first-impression-final-thought/3495

You are very welcomed. FiiO E17 with powered USB hub did work for iPad with Camera Connection Kit:

http://www.head-fi.org/t/587912/fiio-e17-alpen-first-impression-final-thought/3495

I did the homework and saw many unofficial sources of CCK on eBay. By far the cheapest choice on eBay from a seller with a huge number of positive feedbacks:

http://www.ebay.com/itm/Camera-Connection-Kit-for-iPad-1-2-Dock-Connector-to-USB-Female-Adapter-Cable-/180816714247

http://www.ebay.com/itm/Camera-Connection-Kit-for-iPad-1-2-Dock-Connector-to-USB-Female-Adapter-Cable-/280819554017

This one is very simple while USB charging is also supported:

http://www.ebay.com/itm/Portable-2-in-1-ipad-USB-AV-Video-Cable-Charging-Camera-Connection-Kit-For-iPad-/251034605847
http://www.ebay.com/itm/Portable-2-in-1-ipad-USB-AV-Video-Cable-Charging-Camera-Connection-Kit-For-iPad-/251076221635

Another one supporting USB charging with a separate cable as well as 3 USB ports:

http://www.kallin.cn/Ennewproduct.asp?id=397

http://www.ebay.com/itm/Connection-Kit-3-USB-Hub-Sync-Charge-for-iPad-2-iPod-Keyboard-Digital-Camera-PC-/251106651724

Other items did not mention "Camera Connection Kit" at all. Not exactly sure if the pins inside that 30-pin connector were any different from the ones mentioned above. They pretty much cost a few bucks so please don't get mad if there were any issues.

Four bucks shipped with USB charging plus 3 USB ports:

http://www.kallin.cn/Ennewproduct.asp?id=380

http://www.ebay.com/itm/New-HI-Speed-USB-Hub-Charger-3-Port-for-iPhone-4G-iPad-1-2-iPod-/110844971221

$4.29 for an "octopus" flavor:

http://www.ebay.com/itm/USB-2-0-Hub-3-Port-Splitter-Charger-Date-Cable-Apdater-for-Apple-iPhone-iPad-/170854102387

$10.79 delivered with a neat and well organized package:

http://www.ebay.com/itm/USB-2-0-3-Port-Hub-with-data-Sync-Charger-cable-for-Apple-iPhone-4-4S-iPod-iPad-/180899650076

Still looking for super short (4-in or 10-cm) mini USB cables with reasonable shipping. The cable itself costs 2 bucks and then asking 4 bucks to ship that. LOL

Lynnfield, how about a writeup explaining exactly how it's done. A nice simple walk through is always appreciated.

This is interesting. I'd like to learn more about the sound being returned and is it a worthy pursuit...