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M1Active 320 USB
Studio Monitors

Mac / PC / iPad / USB 1.1
Professional Grade USB Studio Monitors
Performance Amplified
Alesis delivers pro-grade USB speaker performance to the computer desktop. M1 Active 320 USB speakers enable you to play audio from your computer and record audio coming into the speaker to your computer. Simply plug in the USB cable to your computer or iPad – No special drivers required.
For Playback and so Much More
M1 Active 320USB speakers are not only substantial audio monitors, but also serve as a convenient audio interface. Keyboards, mic pre's, guitar effects, DJ Mixers, or standard CD and tape players can all easily connect directly to the M1Active 320 USB. Record them directly into your computer.

Full range, superb sound quality insures that you get more accurate audio reproduction to check your mixes. A Bass Boost switch helps emphasize bass frequencies - Great for various room situations where you want to hear more bass emphasis.

Product Specifications:

Alesis Part Number

  • M1Active 320 USB

System Requirements

  • Mac / PC:
    • Mac OS® X 10.3.9 or later
    • Windows® XP, Windows Vista® or Windows® 7
    • USB 1.1 or compatible USB 3.0 / 2.0 port
  • iPad:
    • iOS 5 or later
    • Apple USB Adaptor (sold separately)


  • 10W per channel RMS


  • Stereo RCA inputs
  • Stereo 1⁄8" TRS mini-jack input
  • Two 1⁄4" phone jacks inputs
  • TRS Headphone output
  • 1⁄8" TS output to passive speaker

Frequency Response

  • 80 Hz – 20 kHz

Signal-to-Noise Ratio

  • 88dB weighted

Digital Conversion:

  • 16 bit delta sigma, 44.1kHz or 48kHz sampling rate


  • Tweeter: 1" silk dome
  • Woofer: 3" lightweight, magnetically-shielded


  • 6.5" x 5" x 7.4" (16.51 x 12.7 x 18.8 cm)


Manufacturer provided specifications for Alesis p/n M1Active 320 USB UPC#: 694318011850



  • M1Active 320 USB Studio Monitors
  • All necessary audio and power cables
  • Quick Start Guide
Alesis M1Active 320 USB Studio Monitors Mfr P/N: M1Active 320 USB OWC SKU: ALEM1ACT320USB Pro-Grade USB Speaker Performance To The Computer Desktop Alesis 1 Year Limited Warranty
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