2in/2out Audio Interface User Manual 5.
WELCOME Welcome to your new EVO 4 audio interface. EVO 4 has been designed to remove the technical barriers creatives face when exploring the often intimidating world of audio and make recording simple for everyone. EVO 4 includes two High-Performance EVO Preamps with innovative Smartgain technology, a JFET Instrument Input, pristine converters and EVO makes recording easy a powerful headphone amplifier.
01 Overview 07 Software Features Show Loopback Source Smartgain Channels 1 + 2 Quit Monitor Mix + Pan About EVO Phantom Power Visit EVO Knowledge Base Volume Knob Check for Updates Output Volume Set ASIO Buffer Size Set Sample Rate 02 Safety Instructions 08 Audio Loop-back Using Audio Loop-back on Mac 03 Declaration of Conformities 04 Installation/Setup 09 Specifications 05 Registration with ARC 10 Firmware Update Procedure 06 Hardware Features 11 Getting Started / Basic S
OVERVIEW OVERVIEW 01 Smartgain Just start playing or singing and Smartgain mode will automatically set the level of your microphones perfectly. 02 Channels 1 + 2 Control the level of inputs, link to Smartgain or hold each button to mute. 03 Monitor Mix + Monitor Pan 5 4 Blend between your outputs and inputs - ideal for minimising latency when recording. Use Monitor Pan to pan your inputs left or right to create 3 2 the ideal headphone balance.
IMPORTANT SAFETY INFORMATION Please read all of these instructions and save them for later reference before connecting the USB cable and powering up EVO 4. EVO 4 itself does not operate with any high voltage mains supply inside the unit but appropriate safety measures should still be adhered to prevent electrical shock and fire hazards. In the event of a unit failure, do not attempt to open the EVO 4 yourself.
DECLARATION OF CONFORMITIES This apparatus has been tested and found to comply with the limits of a class-A digital device, pursuant to Part 15B of the FCC Rules. These limits are designed to provide reasonable protection against harmful We, EVO by Audient, Aspect House, Herriard, Hampshire, RG25 2PN, UK, 01256 381944, interference in a residential installation. declare under our sole responsibility that the product EVO 4 complies with Part 15 of FCC Rules.
INSTALLATION / SETUP On macOS, EVO 4 will work straight away without needing to install any Carefully unpack your EVO 4 and connect it to a USB port on your Mac. drivers. However, we do recommend installing the EVO If your computer doesn’t have rectangular USB-A ports then you may application which gives you control over Audio Loop-back and lets you need to use an adaptor, dongle or third party cable. update your firmware.
INSTALLATION / SETUP EVO 4 will require drivers on Windows so that the computer and EVO 4 For more advanced settings such as changing your sample rate or will work together. You can download these from the downloads page buffer size, please read the Software features section, found later in on the EVO 4 page. this manual. Once downloaded, run the .exe file to start the installation process. Follow the instructions on screen to complete the installer.
INSTALLATION / SETUP The Active USB hub is required as the lightning port cannot provide enough bus power for the EVO 4 to work correctly and the hub will provide the correct power via the USB cable. EVO 4 will also work on iOS and iPadOS devices allowing you to record and create while on the go. The Setup will differ slightly depending on First connect the Camera connection kit to the iPad. Now plug the USB what iOS device you are using. hub into the USB port on the camera connection kit.
REGISTRATION WITH AUDIENT ARC Compatible with all major audio software, EVO 4 comes bundled with a collection of professional software and services, giving you everything you need to start recording. Go to audient.com/ARC and select register your product, then enter your details to create an account. You will then receive a verification email to your inbox - double check your spam and junk folders if you cannot see this.
HARDWARE FEATURES To connect a line-level device, use a ¼” TRS jack which will connect to the Mic Pre’s and Line Level Inputs centre of the Combi connector. The Line input automatically reduces your EVO 4 includes two high-quality Mic Pre-amps, available through the two Combi connections found on the rear of EVO 4. signal level slightly to minimise the chance of overloading the input and causing distortion. The line inputs are ideal for connecting up devices like keyboards and drum machines.
HARDWARE FEATURES Smartgain Mic Pre’s and Line Level Inputs EVO 4’s most exciting and game changing feature is ‘Smartgain’. Start playing or singing and Smartgain mode The EVO 4 Smartgain feature can help you take the guesswork out of will automatically set the level of your microphones. setting your gain levels and give you perfect levels quickly and easily. For a guide on setting up Smartgain, see the page opposite.
Stereo Linking The two inputs of EVO 4 can be stereo linked, which allows you to match the gain for both left and right channels at the same level. This would be used when recording an instrument using two microphones, such as a piano or guitar, or if inputting a stereo line signal like a synth or DJ decks. To do this, press down the 1 and 2 buttons at the same time. Phantom Power 48V Some microphones will require phantom power in order to function.
Instrument Input Headphone Output EVO 4 includes a dedicated instrument to directly connect instruments On the front of EVO 4, you’ll find the headphone output. EVO 4 includes a such as guitars and basses. The Instrument input is sometimes also known powerful headphone amplifier allowing you to drive almost any headphone as a DI (Direct Injection) and provides a high input impedance, which to a good level. gives you the best tone from your instruments.
SmartMuting Connecting a set of headphones to the headphone port will automatically mute your monitors, making switching between loudspeaker monitoring and headphone monitoring quick and seamless. This can be used to provide separation between two different instruments for better monitoring.
SOFTWARE FEATURES Set Audio Loop-back Source This allows you to choose the source of your Audio Loop-back, either from the Main Monitor Output or the dedicated Audio Loop-back send channels. Main Monitor EVO 4 includes a small application allowing you to make quick simple changes from your computer. The EVO application is available for both Outputs simply allows you to record what you are listening to through main outputs.
AUDIO LOOP-BACK Configure Speakers Using Audio Loop-back Channels on Mac The first step of using Audio Loop-back is setting up your computer to output sound to the Audio Loop-back outputs of EVO 4. On some software, you can change this in the software itself in the settings. For details on how this is done, we’d recommend contacting the developer of your software or reading through its manual.
AUDIO LOOP-BACK Now simply set your left and right output to Audio Loop-back 1 (L) and Audio Loop-back 2 (R). Now any audio played back from your Mac will be sent through the Audio Loop-back Output Channel, ready to be recorded or streamed. We need to tell EVO 4 to send the Audio Loop-back outputs to the Audio Loop-back Inputs. To do this, we go to the EVO app menu in the menu bar and click Set Audio Loop-back Source. Now select Audio Loopback Send as your Audio Loop-back source.
AUDIO LOOP-BACK In the list of output devices, find Audio Loop-back 1+2, select it and then click “Set Default Device” Applications will then default to sending audio to the Audio Loop-back output.* Using Audio Loop-back Channels on Windows We need to tell EVO 4 to send the Audio Loop-back outputs to the Audio As with macOS, the first step of using Audio Loop-back is setting up your computer Loop-back Inputs.
SPECIFICATIONS DAC OUTPUTS: MICROPHONE PREAMPLIFIER: Mic Gain Range: 58 dB Maximum Output Level: +11dBu Line Gain Range: 58dB with -10dB Pad Digital Reference Level: 0dBFS = +11dBu Phantom Power: 48v +/-4v @ 10mA/Channel Output Impedance: <100Ω Balanced CMRR: Maximum Input Level: >85dB @ 1kHz +16dBu Frequency Response: +/-0.5dB 10Hz to Fs/2 Crosstalk: <-110dBu @ 1kHz Input Impedance (Mic): >3kΩ Balanced Input Impedance (Line): >10kΩ Balanced THD+N @ -1dBFS (1kHz): <0.
Note for latency figures: USB 2.0 HIGH SPEED No. Of Input Channels 2 Analogue No. Of Output Channels 2 Digital Connector: USB Type-C Included Cables: 1m USB 2.0 Type-C to USB Type-A Performance may vary as stability at these low buffer sizes is dependant on many factors including CPU load, operating system and performance of other drivers. DAW Playback Latency @ 32 Sample Buffer for Software Instrument Playback: DSP Mixer Roundtrip (in to out) Latency: 44.1 kHz 0.594ms 48.0 kHz 0.552ms 88.
FIRMWARE UPDATE PROCEDURE To update your firmware, go to the EVO Application menu and select Check for Updates. Provided you have an internet connection, the EVO app will now check with our update service to see if there are any new firmware updates for your EVO 4. If you do not have an internet connection to check the firmware, please contact our support team at support.audient.com who’ll be happy to assist you.
WARRANTY INFORMATION Whilst this warranty is provided by Audient, the warranty obligations are fulfilled Warranty Statement by the exclusive territory Distributor responsible for the country in which you purchased the product. The Audient warranty period for any product purchased is 12 months from the date of the original purchase. The warranty is not transferable to a second user.
WARRANTY INFORMATION Warranty Limitations This warranty does not cover damage resulting from accident or misuse. The warranty is void unless repairs are carried out by an authorised service centre. The warranty is void if the unit has been modified other than at the manufacturer’s instruction. The warranty does not cover components which have a limited life, and which are expected to be periodically replaced for optimal performance.
