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FRONT AND BOTTOM PANELS

1.  USB-B Port

  Connect the USB-B side of  

the included USB cable to the microphone 

and the USB-A side to the computer’s 

USB port.

2. Phones Jack

   

Connect stereo headphones using  

an 1/8" connector.

 

NOTE:

 Your ears are important to us!  

Be careful of permanent hearing damage. 

Lower the volume on your device. Even 

intermediate levels may be painfully loud. 

Always turn the volume all the way down 

before connecting the headphones  

or doing anything new that may affect  

the headphone volume. Then turn it  

up slowly as you listen carefully.

3. Mute Switch

 

Mutes the mic signal.

4. Power and Mute LED

   

This LED illuminates green when 

connected to a powered computer  

and red when the mute switch  

is engaged.

GETTING STARTED

1.  Read and understand the Important  

Safety Instructions on page 4.

2. Connect the USB-B side of the included 

USB cable to the microphone and the 

USB-A side to the computer’s USB port. 

 NOTE:

 Do not use a USB hub, keyboard’s 

USB port, etc. Plug directly into an open 

USB port on the computer.

3. Computer setup instructions  

[plug-and-play, no drivers required!]:

 

Mac:

 System Preferences > Sound 

> Input (and Output) > EM-91CU+ 

Microphone

 

PC:

 Control Panel > Hardware and Sound 

> Sound > Playback (and Recording) > 

EM-91CU+ Microphone (make default).

  Make sure the input and output levels  

of the computer are un-muted and up.

4. Open up your favorite DAW and start  

a new session. 

5. While most DAWs work (relatively)  

the same, the path to recording may  

be different. As such, refer to your DAW’s 

manual on how to open new sessions, 

create tracks, select the USB microphone, 

arm tracks and the best part... recording!  

Have fun!

NEED HELP WITH THE MICROPHONE?

 

•  Visit www.mackie.com and click Support to find:  

FAQs, manuals, and addendums. 

  •  Telephone 1-800-898-3211 to speak with one of our splendid 

technical support chaps (Monday through Friday, normal  
business hours, Pacific Time).

Technical Specifications

EM-91CU+

Element

14mm Black Electret Condenser

Polar Pattern

Uni-directional

Frequency Response

30 Hz – 18 kHz

Sensitivity

–32 dB ±2 dB (0 dB = 1 V/Pa @ 1 kHz)

Load Impedance

1000 

Ω

Output Impedance

100 

Ω

 ±30% (@ 1 kHz)

Max SPL

132 dB (@1 kHz 

 1% THD)

Equivalent Noise Level

16 dB A

Signal-to-Noise Ratio

78 dB

Sample Rate

16-Bit / 96 kHz or 24-Bit / 48 kHz

Size (H × W )

6.3" × 1.7" 

160 × 44 mm

Weight

0.46 lb • 0.21 kg

All specifications subject to change

MUTE

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