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INTRODUCTION

Congratulations on the purchase of your new AUDIO4c USB-Audio + MIDI interface!

iConnectivity makes every effort to develop simple and intuitive hardware and companion control
software. However, because your AUDIO4c interface implements so many advanced features, we
strongly recommend that you read this manual carefully, even if you are an experienced audio/MIDI
user and have quite the reddit following.

Feature List

● 4 XLR / ¼” TRS combo analog inputs
● 4 premium microphone preamplifiers with +48V phantom power
● 4 TRS ¼” balanced analog outputs
● 1 stereo ¼” headphone output
● DIN-MIDI port built-in (1-in 1-out)
● USB-MIDI host port (connect up to 8 USB MIDI class-compliant devices with a powered USB

hub)

● Auracle for X-Series software (Mac OS, Windows) configuration and setup
● Power/Charge a USB Type-C compatible device (up to 15W)
● Use up to 2 Mac OS/Windows/iOS/Android computer devices simultaneously
● Built-In comprehensive audio mixing and routing between connected USB devices
● High-resolution audio - up to 24-bit/96kHz AD/DA conversion
● Capacitive touch user controls

What’s in the Box?

● The AUDIO4c audio + MIDI Interface
● Power Supply: iConnectivity iCP4 (36W)
● USB-C to USB-C Cable
● USB-Adapter: female USB-C to male USB-A

AUDIO4c User Guide v2021-0002

Page 1

Summary of Contents for AUDIO4c

Page 1: ...User Guide v2021 0002 ...

Page 2: ...v2021 0002 ...

Page 3: ...and potential damage to the environment Since the correct method of disposal will depend on the applicable laws and regulations in your locality please contact your local administrative body for details FCC USA IC Canada Regulation Warning This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed t...

Page 4: ...ion Auracle for X Series Software First time configuration Firmware Update Audio Hookup connecting a Mac PC iOS or Android device Sound check Adjusting the output level to audio outputs on the rear of the AUDIO4c Sound check Headphones Sound check Adjusting the input level of analog inputs on the front of the AUDIO4c MAIN MENU Audio Analog Inputs Analog Outputs Routing Mode Menu Record Play USB 1 ...

Page 5: ...e Rate Bit Depth Clock Source Back button MIDI Routing General Info Source Destination Filter Remap Input Output Filter Remap Clear All Back button Presets USB Host Reservation Back button Firmware SPECIFICATIONS Audio MIDI USB Host Port AUDIO4c User Guide v2021 0002 Page 4 ...

Page 6: ...her APPENDIX A ADVANCED WINDOWS USERS APPENDIX B MORE RESOURCES APPENDIX C COMPLIANCE Compliance Statement Declaration of Conformity Communication Statement Disposal of Waste Equipment by Users in the European Union AUDIO4c User Guide v2021 0002 Page 5 ...

Page 7: ...our website at Warranty Policy Mac macOS OS X and iOS are trademarks of Apple Inc registered in the United States and or other countries Windows is a registered trademark of Microsoft Corporation in the United States and or other countries Android is a trademark of Google LLC iConnectivity and AUDIO4c are trademarks of iKingdom Corp Features of this product are protected under patent pending For m...

Page 8: ... balanced analog outputs 1 stereo headphone output DIN MIDI port built in 1 in 1 out USB MIDI host port connect up to 8 USB MIDI class compliant devices with a powered USB hub Auracle for X Series software Mac OS Windows configuration and setup Power Charge a USB Type C compatible device up to 15W Use up to 2 Mac OS Windows iOS Android computer devices simultaneously Built In comprehensive audio m...

Page 9: ... USB A or USB C port PC Windows Windows 10 One free USB A or USB C port iOS iPad with USB C port or Lightning equipped iOS 9 3 5 or later devices via Apple Lightning to USB Camera Adapter sold separately Android Version 8 0 or newer AUDIO4c User Guide v2021 0002 Page 2 ...

Page 10: ...HARDWARE DESCRIPTION Device Tour AUDIO4c User Guide v2021 0002 Page 3 ...

Page 11: ... show you how to get sound running in and out of your interface as simply as possible AURACLE FOR X SERIES SOFTWARE Installation Auracle for X Series Software Windows users please uninstall all older iConnectivity drivers and download the newest Unified driver here at https www iconnectivity com windows drivers before proceeding You must have administrative access to complete installation Open a w...

Page 12: ...e along with any other iConnectivity interfaces you may have connected to your computer A yellow hazard icon in the upper right corner of the AUDIO4c main menu indicates that a firmware update is available In this case ensure that the USB C cable is plugged into USB device jack 2 and follow the on screen instructions to update the AUDIO4c firmware If your computer is plugged into USB device jack 1...

Page 13: ... connecting a Mac PC iOS or Android device Connect a Mac PC iOS or Android device to an available USB Device port using the supplied USB C cable and USB C to USB A adapter if necessary Connect your powered monitors or power amp and speakers via TRS or TS cables to the AUDIO4c Audio Outputs 1 2 Open your DAW and select the AUDIO4c as the audio output device Once the AUDIO4c is selected it may be ne...

Page 14: ... touch the region of the output number s you wish to monitor until it turns green In the diagram above outputs 1 2 are selected for visual monitoring using the LED meters on the right Output 1 is slightly higher than output 2 as indicated by the differing levels in the left and right LED meters Note that turning the rotary encoder while in Signal Level Mode has no effect Gain Set Mode Touch the re...

Page 15: ...vel to the phones output is approximately 10 Db USE EXTREME CAUTION WHEN ADJUSTING VOLUME TO HEADPHONES Gain Set Mode Touch the region centered around Phones on the bottom row of the Interactive Display until the Phones indicator turns red A red Phones LED indicates that the LED meters are in Gain Set Mode In this mode you can use the rotary encoder to the right of the Interactive Display to adjus...

Page 16: ...above analog input 3 is selected and is currently metering in the single yellow region of the LED meter Note that turning the rotary encoder while in Signal Level Mode has no effect Gain Set Mode Touch the region centered around In on the bottom row of the Interactive Display until the In indicator button turns red A red In LED indicates that the LED meters are in Gain Set Mode Select the analog i...

Page 17: ...ive Display to activate phantom power to select inputs touch the region centered around 48V on the bottom row of the interactive display until the 48V indicator button turns green Choose the input s you wish to deliver 48V power to and select by touching the region centered around the appropriate number The LED of the number region you selected will light up green indicating that 48V power is bein...

Page 18: ...trument at a level similar to your expected performance level Slowly increase the input level on the connected channel using the method described above until the channel LED meter that corresponds to the input channel you re adjusting reads mostly green most of the time with some yellow during volume peaks trying to stay out of the red to avoid clipping Mute Button The Mute button mutes audio for ...

Page 19: ...l can be adjusted by dragging the on screen fader up or down or by clicking the current Db value in the gray box directly below the fader and volume meter output array and typing in the Db amount you want for gain in the range 60 to 0 Db Buttons for Mute and Stereo select per channel are located below the LED meter and fader array Stereo is selected by default unselecting Stereo will produce two m...

Page 20: ... and adjust levels to analog outputs 1 4 and the headphone mix for modes Record Play USB1 and Play USB2 click the appropriate gray output button for the output you wish to control on the analog output selection menu in the middle of the Audio page Stream mode contains the same output routing options as Record Play USB1 and Play USB2 with two additional output menus for routing audio between USB po...

Page 21: ...o both USB ports 1 and 2 on their 1 4 inputs USB Port 1 s outputs 1 2 to USB Port 2 s inputs 5 6 USB port 2 s outputs 1 2 to USB port 1 s inputs 5 6 The mix configuration is the main difference between Play USB1 and Play USB2 which can be seen in the mixer settings the audio signal from the analog inputs are not passed to Analog outputs 1 2 Analog outputs 3 4 or the Headphones mix DAW input list f...

Page 22: ...B2 which can be seen in the mixer settings the analog inputs are not passed to Analog 1 2 Analog 3 4 or Phones mix DAW input list for Play USB1 mode USB 1 USB 2 1 Analog input 1 1 Analog input 1 2 Analog input 2 2 Analog input 2 3 Analog input 3 3 Analog input 3 4 Analog input 4 4 Analog input 4 5 USB port 2 output 1 5 USB port 1 output 1 6 USB port 2 output 2 6 USB port 1 output 2 7 USB port 2 ou...

Page 23: ...t for Stream mode USB 1 USB 2 1 USB port 1 output 1 1 USB port 1 output 1 2 USB port 1 output 2 2 USB port 1 output 2 3 USB port 2 output 1 3 USB port 2 output 1 4 USB port 2 output 2 4 USB port 2 output 2 5 Not used 5 Not used 6 Not used 6 Not used 7 Not used 7 Not used 8 Not used 8 Not used AUDIO4c User Guide v2021 0002 Page 16 ...

Page 24: ...SB1 mix visible with Stereo selected USB2 mix options are identical to USB1 mix options in Stream mode A computer is plugged into USB2 USB2 channels 1 2 are seen metering in the bottom row AUDIO4c User Guide v2021 0002 Page 17 ...

Page 25: ...olled by the underlying control Click the toggle again to deactivate Analog 1 2 Mix Analog Mix numbers correspond to the analog output sockets numbered 1 4 on the rear of the AUDIO4c Select Analog 1 2 Mix to show a list of configurable output channel signal sources and edit the level pan if Stereo is selected Mute Solo and Stereo selection for outputs 1 2 as indicated below AUDIO4c User Guide v202...

Page 26: ... Phone mix Note Selecting Stream mode from the Mode menu on the upper right corner under Tooltips will present additional pages for routing both analog inputs and USB sends to both either USB device jacks See Stream menu above for details Sample Rate At the bottom of the Audio page you may have to scroll down depending on the size and resolution of your screen choose the recording sample rate of t...

Page 27: ...rce to any Destination Source The Source column on the left lists all available physical MIDI ports on the AUDIO4c as well as additional virtual ports such as USB Host Ports HST2 through HST8 which are only accessible when more physical host ports are made available when adding a powered USB hub not included as indicated in the General Info section above For more information on using multiple USB ...

Page 28: ...on in your DAW is required to complete the MIDI route between the controller connected at HST 1 and your computer connected at USB Device Jack 2 Consult the documentation of your DAW to uncover the mystical magic of allocating MIDI ports of connected interfaces You may also find it helpful to rename MIDI Source and or Destination ports to something that makes more sense for your personal use case ...

Page 29: ... to filter or remap MIDI data at the Output port Feast your eyes on this video for help with the Filter Remap section of iConnectivity devices Input Output Selects whether to modify the input going to or the output coming from each port Filter Disable MIDI data type per port and channel channel by selecting the appropriate port on the left column and by clicking the clickable square at the interse...

Page 30: ...rrent settings to the AUDIO4c by single clicking the rotary encoder on the right side of the Interactive on the AUDIO4c front panel After clicking the rotary encoder once to save the bottom 4 LEDs marked 48v through Phones will flash an amber color twice to signal success Load To recall a saved configuration in the future navigate to the Presets page again and click Load Your working configuration...

Page 31: ...ply plug in your USB MIDI device to a powered hub connected to the AUDIO4c The right most column of the USB Host Reservation page will populate with all class compliant MIDI devices Select the appropriate MIDI device you wish to reserve per host port Back button Select to return to the main menu Firmware The current Firmware version is displayed If your computer is connected to the internet and co...

Page 32: ...B 1kHz 1 2 Vrms BW 22Hz 22kHz A weighted Maximum input level 11 Vrms 23 dBu 21 dBV 1kHz 22Hz 22kHz A weighted 1 THD N SNR 116 dB Instrument Inputs Frequency Response 20 Hz 20kHz SNR 95 dB 1kHz 5 Vrms BW 22Hz 22kHz A weighting THD N 92 dB 1kHz 5 Vrms BW 22Hz 22kHz A weighting Maximum input level 10 Vrms 22 dBu 20 dBV 1kHz 22Hz 22kHz A weighted 1 THD N SNR 94 dB Line Outputs Maximum Output Level 13 ...

Page 33: ... 500mA maximum USB C Ports Power Delivery Port 2 only 15W 5V DC 3A maximum Power Adapter Output 12V DC 3A 36W29 Input 100V 240V AC 50 60 Hz Plug Center pin positive 2 5mm ID 5 5mm OD 12mm length Model iConnectivity iCP4 Dimensions and Weights Height 1U 1 48 37 5 mm Width 8 43 214 mm Depth 5 51 140 mm Weight 2 18 lbs 989 g Other GND Screw M3 x 0 5 x 6 mm pan head Phillips black zinc AUDIO4c User Gu...

Page 34: ...ENDIX B MORE RESOURCES The iConnectivity website and iConnectivity Knowledge Base contain a wealth of helpful written articles and tutorials as well as instructional videos For your convenience selected hyperlinks into these systems are listed below The iConnectivity Knowledge Base main page is located at iConnectivity Support Website Download our latest Unified Windows Driver from the website Win...

Page 35: ...sion reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer ...

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