The Shure MVi is a compact digital audio interface used to connect a microphone, guitar, or other instrument to a computer or mobile device. Audio and power are delivered through a single USB or Lightning® connection to provide a simple and portable recording solution. The MVi headphone output delivers the microphone/instrument signal for real-time monitoring, in addition to audio from the computer for playback and overdubbing.
|① USB connection||The MicroUSB port on the MVi rear panel connects it to a computer or mobile device through a USB or Lightning connection. Both power and audio are passed through this connection.|
|② Microphone or Instrument||A microphone, instrument, or line source plugs into the combo XLR-¼" input.|
|③ Headphone Monitoring||Connect headphones to hear real-time audio from the microphone and audio playback from the computer.|
|④ Controls||The MVi touch-panel provides control of microphone gain, headphone level, and recording mode selection.|
The MVi is compatible with most devices that have a USB or Lightning connector.
Drivers will be installed automatically. The touch panel illuminates to indicate a successful connection.
If MVi is not the selected audio device, open the sound control panel and select the Shure MVi driver.
Open the Shure MVi driver from the sound control panel and raise the headphone volume from the playback or output tab.
The XLR/TRS combo input is compatible with microphones, guitars, instruments, and other line-level sources.
Note: Condenser microphones require phantom power to operate. To turn on phantom power, press and hold the mute button for 3 seconds. The PH PWR LED on the rear panel illuminates when phantom power is activated.
Caution: Never activate phantom power if using a ribbon microphone, as this may cause damage to the microphone.
If the audio is too quiet or causes distortion, adjust the gain manually. Refer to the "Adjusting Microphone Level" topic in this guide for more details.
Note: When using the MVi, you can monitor and listen to playback through the device headphone output.
Pressing the headphone button changes to volume control slider to adjust the headphone volume (LEDs switch from green to orange when adjusting headphone volume).
Note: Do not use the gain adjustment to get more volume from the headphones.
You are ready to record.
|① Volume Control Slider||Adjust microphone or headphone level by sliding your finger across the control surface.
|② LED bar||Displays microphone and headphone level. The LED color indicates the level being displayed or adjusted.
|③ Mute Button||Press to mute and unmute the microphone.|
|④ Mode Selector||Press to select preset mode.|
|⑤ Headphone Volume Selector||Press to select headphone level controls (orange LED bar). Then use the volume control slider to adjust headphone level. Press again to return to microphone level display (green LED bar).|
|① Headphone output (3.5 mm)||Connect headphones to monitor audio.|
|② Microphone/Instrument Input||Accepts an XLR or ¼" connection.|
|③ Micro-USB Port||Connects to a computer or mobile device with the appropriate cable.|
|④ Phantom Power Indicator||Illuminates when active (press and hold mute for 3 seconds to switch on/off).|
The MVi features a combination XLR and 1/4" TRS input. When a 1/4" input is inserted to an MVi, input mode switches to Hi-Z (instrument) and only flat mode is available. The flat preset mode enables the input monitor to be turned on or off.
Note: When a 1/4" input is inserted no other preset modes are available and the Mode button toggles the input monitor on and off.
Mode LED on: Input monitoring is enabled
Mode LED off: Input monitoring is disabled
Use input monitoring when you want to hear the input signal as you record. If you want to hear the signal after it has been effected, turn off input monitoring and monitor through the recording device.
Five selectable modes optimize settings for gain, stereo width, equalization, and compression. Set the microphone level and try the modes to find which sounds best. Preset modes can affect the strength of the input signal, so adjust the microphone level as needed after changing presets.
|speech||Narrow stereo width to reject background noise, equalization that emphasizes clarity and fullness, and gentle compression.|
|solo or group vocal performances||Medium stereo width with subtle equalization to add richness and clarity for a natural sound.|
|any||An unprocessed signal (no equalization or compression settings used). Adds flexibility when processing the audio after recording.|
|acoustic instruments and quiet music||Medium stereo width with transparent compression to smooth out volume spikes and bring out quiet passages. The equalizer setting emphasizes detail and an overall natural sound.|
|live performance and louder sources||Wide stereo to increase separation between sources. Equalization further improves definition by reducing frequencies that can make the instrumentation sound crowded.|
Select the correct preset mode for your recording application. If you hear distortion or the audio is too low, adjust the microphone level in the audio or sound control panel of your computer or recording device.
Note: The microphone gain control is independent of the preset modes. Set your microphone level and experiment with dynamic processing options via the preset modes.
The headphone monitoring level is affected by the MVi device level and the computer settings level. Raise your computer volume up and easily adjust headphones through the MVi touch panel headphone control.
If your digital audio workstation or recording software has input meters, adjust the microphone level so it peaks between -12 and -6 dB. Otherwise, simply listen to the audio to make sure it is loud enough and not distorting.
The target range for peak levels on a typical meter is between -12 and -6 dB.
The headphone output provides an equal blend of the direct microphone signal and audio playback from the computer. This allows you to conveniently adjust the overall headphone volume with one control on the device touch panel. To change the playback audio level relative to the direct microphone signal level, adjust the computer or DAW mixer settings.
Tip: When first connecting the microphone to your computer, make sure to raise the volume level in the sound control panel of the computer for a strong audio signal. Then adjust headphone level on the device for comfortable monitoring.
Sample Rate and Bit Depth settings are found in a drop down menu in the audio or sound control panel of your computer. You can adjust these variables to fit your needs. Select a lower sample rate for podcast recording, when it is important to have a smaller file for easy download. Select a higher sample rate for music and more dynamic recordings.
Tip: Record at a higher sample rate and bounce down to an M4A for a file with the highest sound quality at a manageable size.
Tip for PC users: Make sure that the sample rate and bit depth microphone settings, found in the sound control panel of the computer, match with the sample rate and bit depth selected in your software.
|The display does not illuminate||Make sure that the MVi is fully plugged in.|
|Audio is too low||Check the computer sound control panel settings. When first connecting the MVi to your computer, make sure to raise the computer volume level.|
|Audio sounds bad||Check the sound control panel of the computer to ensure that the MVi is fully plugged in and recognized.|
|Audio is distorted||Use the audio meter to ensure that volume peaks are within the target range. If level is reaching the red peak indicator of the input meter, turn the gain down.|
|Audio sounds unnatural or jittery||Make sure that the sample rate and bit depth microphone settings, found in the sound control panel of the computer, are consistent with the sample rate and bit depth selected in your software.|
|Device not working with USB hub.||The MVi requires 250 mA per port. Check USB hub documentation for current/port specification.|
Combination XLR and 6.35 mm (1/4") TRS
1/4 inch instrument input >1 MΩ
20 Hz to 20,000 Hz 
|3-pin XLR||0 to +36 dB|
|6.35 mm (1/4") TRS||+9 dB|
|3-pin XLR||0 dBV |
|6.35 mm (1/4") TRS||+9 dBV |
3.5 mm (1/8")
Powered through USB or Lightning connector
+48V USB/+12V iOS
all metal construction
310.0 g (10.93oz.)
42 x 84 x 72 mm H x W x D
1 m USB cable, 1 m Lightning cable
At Minimum Gain, Flat Mode
|1 m USB cable||AMV-USB|
|1 m Lightning cable||AMV-LTG|
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 to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television 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:
Industry Canada ICES-003 Compliance Label: CAN ICES-3 (B)/NMB-3(B)
Note: Testing is based on the use of supplied and recommended cable types. The use of other than shielded (screened) cable types may degrade EMC performance.
This product meets the Essential Requirements of all relevant European directives and is eligible for CE marking.
The CE Declaration of Conformity can be obtained from: www.shure.com/europe/compliance
Authorized European representative:
Shure Europe GmbH
Headquarters Europe, Middle East & Africa
Department: EMEA Approval
75031 Eppingen, Germany
Phone: +49-7262-92 49 0
Fax: +49-7262-92 49 11 4
"Made for iPod," "Made for iPhone," and "Made for iPad" mean that an electronic accessory has been designed to connect specifically to iPod, iPhone, or iPad, respectively, and has been certified by the developer to meet Apple performance standards. Apple is not responsible for the operation of this device or its compliance with safety and regulatory standards. Please note that the use of this accessory with iPod, iPhone, or iPad may affect wireless performance.
iPad, iPhone, iPod, iPod classic, iPod nano, iPod touch, and Retina are trademarks of Apple Inc., registered in the U.S. and other countries. iPad Air and iPad mini are trademarks of Apple Inc. The trademark "iPhone" is used with a license from Aiphone K.K.
Mac and Lightning are registered trademarks of Apple Inc.