Special Offers

** All Sales Final! **
This is an open box / discontinued / overstock item. 
Note condition, All Sales Final!

Financial Options Available
  • Affirm
  • Paypal Credit
Learn More
Requesting a Quote?
Looking for better pricing for an item? Create a new company account now togain access to quoting, quick ordering, and more. Learn more details here.
See an issue on this page? Let us know.

Sound Devices MM-1 Single Channel Portable Microphone Preamp

0 reviews
Questions about this product?
  • Compact Design
  • XLR Input
  • Phantom Power
  • 1/4" Headphone Jack
  • Low-Cut Filter
  • Belt Clip
  • Uses Batteries or External Power Adapter
The Sound Devices MM-1 Single Channel Portable Microphone Preamp is perfect for monitoring sound while filming, broadcast and ENG, field recording, voice-over work, and corporate/industrial enviroments. It is a single-channel, portable microphone preamp and headphone monitor with fantastic audio quality, a dynamic range exceeding 120dB, and an audio bandwidth of 10Hz to 50kHz. The balanced XLR microphone input provides user-switchable +48, 12V, and 12V-T phantom power. A separate, balanced monitor input accepts balanced or unbalanced line-level signal. The 1/4" TRS headphone output is capable of monitoring microphone signal, external line-level signal, or a mix of both. A 3-position low-cut filter switch eliminates noise below 80 and 160 Hz. The compact unit features a belt clip and is powered by separately available 2 AA batteries or external DC power source.


  • Compact Design
  • XLR Input
  • Phantom Power
  • 1/4" Headphone Jack
  • Low-Cut Filter
  • Belt Clip
  • Uses Batteries or External Power Adapter
In the Box
  • Sound Devices MM-1 Single-Channel Portable Microphone Preamp
  • 4 x Rubber Feet
  • Coaxial Female Power Connector
Sound Devices Logo
Sound Devices
View Page
More Information
BrandsSound Devices
Product ConditonNew

Sound Devices MM-1 Specs

Inputs 1 x 3-Pin XLR Female Mic Input
Output 1 x 3-Pin XLR Male Line Output
Monitor/Headphone Out 1 x 1/4" / 6.3 mm TRS Phone
ALT I/O 1 x 1/4" / 6.3 mm Monitor In
Link Input/Output No
Impedance Mic In: 2 Kilohms
Monitor In: 22 Kilohms
Line Out: 130 Ohms
Headphone Out: 200 Ohms
Gain 0 to 66 dB, Selectable
Hum & Noise -126 dBu (EIN)
Frequency Response 20 Hz to 20 kHz (+0.1, -0.5 dB)
Distortion 0.05%
Metering Power and Limiter/Peak LEDs
Control Voltage Out No
Phantom Power +48 V, +12 V, and +12 V-T
Operating Temperature Not Specified by Manufacturer
Power 2 x AA Batteries (Not Included)
5 to 17 VDC Via Threaded Coaxial Jack
Dimensions 1.95 x 3.75 x 6.55" / 49 x 95 x 166 mm
Weight 1.42 lb / 0.64 kg
Packaging Info
Package Weight 2.33 lb
Box Dimensions (LxWxH) 10.4 x 7.4 x 4.1"
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
Copyright © 2024 Filmtools, a Magnasync/Moviola Company.