For a more portable recording setup without a mixer, you may want to use a portable USB or Firewire interface. The diagram below illustrates how a portable setup might look. The interface to the computer via USB and sends audio out to the speakers through ¼” or XLR cables. Remember that the M1Active will accept both balanced and unbalanced signals, but we recommend balanced cabling for best performance.

Note that the M1Active 520/620 is an “active” loudspeaker with built-in amplifiers for the woofer and tweeter. This means that you do not need any additional amplifiers and that the line-level audio output of your mixer or digital audio workstation should be connected directly to the speaker.

Do not use an external amplifier with the M1Active 520 speaker. The speaker has built-in amplification and using an external amplifier could damage the speaker.

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Alesis M1 quick start