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Alesis M1Active 520 USB Studio Monitors

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M1Active 520 USB is a studio monitoring system designed for professional studio use with an internal digital-audio interface. M1Active 520 USB is a pair of active, bi-amplified, two-way reference moni... Click To Read More About This Product

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M1Active 520 USB is a studio monitoring system designed for professional studio use with an internal digital-audio interface. M1Active 520 USB is a pair of active, bi-amplified, two-way reference monitors that play from 20,000 Hz all the way down to 56 Hz to cover nearly all frequencies audible to human ears. You can take digital signal out of your computer via USB and input it to M1Active 520 USB thanks to their digital input. Priced attractively for any studio's budget, M1Active 520 USB perform with linearity, clarity, and neutrality typically reserved for monitors that cost much more.

Reference Monitoring
Alesis has built M1Active 520USB around their popular five-inch polypropylene low-frequency driver for full, smooth response in the low end and a one-inch silk dome high-frequency driver for absolute clarity in the highs. A custom crossover avoids the crucial vocal midrange, ensuring that your mixes sound the way you recorded them. The low-resonance bass reflex cabinet features radiussed edges to reduce edge diffraction and a tuned port for bass extension. A bass boost switch offers low-frequency enhancement to further accommodate for room conditions requiring a little more output in the low end.

Professional Monitoring Options
When you reach for the convenient front panel volume control, you can be confident that the power you need will be there with M1Active 520 USB's bi-amplified design delivering 25W to the tweeter and 50W to the woofer. Like the rest of the M1Active series, M1Active 520 USB are magnetically shielded, so there's never an issue of placement near computer screen, LCDs, or hard drives. The front-panel stereo 1/4" headphone output mutes the loudspeakers when connected. When you connect headphones, the main volume control automatically switches to controlling the headphone output. M1Active 520 USB feature a large, front-panel, bi-color indicator that indicates presence of signal in blue and clipping in red for instant feedback on system status.

Extensive I/O
Professional quality analog input jacks are located on the rear. Two balanced-1/4" inputs enable engineers to connect a stereo source or two mono sources. For convenient recordings, simply connect the stereo output of a mixer. You can create complete recordings with no additional audio interface. The speakers are interconnected using a standard XLR cable for secure, professional connection. For worldwide operation, M1Active 520 USB features a voltage-switchable power supply.

USB Digital Audio Interface
In addition to their capabilities as traditional monitor loudspeakers, M1Active 520 USB monitors contain a USB audio interface. Connected audio sources such as mic preamps and instruments can be recorded directly into your computer at 16-bit, 44.1 or 48 kHz. Simply plug the USB cable into your computer. No special drivers required. And when it's time to listen back to your mixes, that same USB cable sends 16-bit, 44.1 or 48 kHz, stereo audio from computer to your M1Active 520 USBs. No more complicated interfaces and messy cable tangles.


  • Two-way, active, bi-amplified pair of reference studio-monitor loudspeakers
  • Wide, 56 — 20,000 Hz frequency response
  • Five-inch lightweight polypropylene woofer with 50W RMS
  • One-inch silk-dome tweeter with 25W RMS
  • Integrated USB audio interface with 16-bit, 44.1/48 kHz recording and playback
  • Two balanced-1/4" inputs
  • Stereo, 1/4" headphone output
  • Magnetically shielded for placement near TV and computer monitors
  • Low-resonance cabinet with tuned bass port
  • Bi-color signal/clip indicator
  • Switchable power supply ensures worldwide operation
  • Includes
    • Two M1Active 520 USB loudspeakers
    • XLR interconnection cable (6 ft)
    • USB cable (6 ft)
    • IEC power cable
    • Quick start manual
    • Safety and warranty guide
    • Low-frequency driver: 5" lightweight, magnetically-shielded, ultra-stiff polypropylene cone with rubber surround and high power handling voice coil
    • High-frequency driver: one-inch silk dome with magnetic shielding
    • Frequency Response: 56 - 20,000 Hz
    • Power: 50 W / 25 W per channel RMS
    • Signal-to-Noise Ratio: >90dB weighted
    • Digital Conversion: 16-bit delta sigma, 44.1kHz or 48kHz sampling rate
    • Inputs: two balanced-1/4"
    • Polarity: Positive signal on "+" pin creates forward cone displacement
    • Input Impedance: 10k ohms
    • Input Level: -10dBV nominal, balanced
    • Dynamic Range: >80dB
    Pro Coverage
    Manufacturer's Warranty
    One year parts and labor warranty on all keyboards, DAT, and modules.
    One year or 1500 hour warranty (whichever comes first) on tape heads.
    Custome must register purchase online to receive customer registration number and warranty.
    (No warranties are sent with product.)

    • Customer Reviews

    Review Snapshot

    by PowerReviews
    AlesisM1Active 520 USB Studio Monitors

    (based on 6 reviews)

    Ratings Distribution

    • 5 Stars



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    • 1 Stars



    Reviewed by 6 customers

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    (24 of 27 customers found this review helpful)


    Bang For The Buck

    By Bryan Turner

    from Douglasville, GA

    Comments about Alesis M1Active 520 USB Studio Monitors:

    These are great monitors. I almost never buy w/o first seeing and hearing in person. I am very pleased w/ my purchase! This product does everything it says, has great fidelity and the fit & finish is great. Not to mention the price is right and made better w/ the current factory rebate.

    (10 of 11 customers found this review helpful)


    Great buy

    By Paul

    from Lexington, KY

    Comments about Alesis M1Active 520 USB Studio Monitors:

    You can't beat these for the price. These monitor speakers look good and sound good, although mine still need some break in time. Sure you can spend a little more and a lot more on a pair of recording monitors but, for them money you can't go wrong here. The XLR plug hook ups between the speaker are great as is the plug and play USB connection for the computer. The weight, feel and look of these speakers all add to the good value here.

    (2 of 2 customers found this review helpful)


    Very Nice!

    By Robert DeFrancesco

    from Pennsylvania

    Comments about Alesis M1Active 520 USB Studio Monitors:

    I just purchased these online and got them hooked up a week ago and was fairly surprised. Originally I wanted to use them primarily for my synthesizer but decided to use them on the desktop computer for monitoring recordings on Cubase. Wow, when I played songs I've heard a hundred times before, I heard things so much clearer and brighter with these monitors. I have no other monitors to compare these to so take this with a grain of salt, but for the cost of these and what I will be using them for I am happy with my purchase. Now I did alot of research and watched many videos of monitors and I decided to go with these mainly for the 5" monitor for the price. Others may have been better but at more than twice the price!

    (2 of 2 customers found this review helpful)


    M$R'sonist Productions Review: M1Active 520USB

    By Sabrina Banks

    from San Tan Valley, AZ

    Comments about Alesis M1Active 520 USB Studio Monitors:

    The Alesis M1Active 520USB Studio Monitors Are The Absolute Best Out There For The Low Price. Proffesional Sound Quality With Amazingly Clear Highs & Deep Intense Bass. These Monitors Are Just Right For My Home Studio Setup.

    (2 of 2 customers found this review helpful)


    These are very nice and effective for the price, don't be affraid to buy these!

    By barton ketner

    from Michigan

    Comments about Alesis M1Active 520 USB Studio Monitors:

    1. Great price for what you get and the options that these offer. Make sure that you really read the options of these monitors. Great options! 2. Quality, fit and finish is top notch. 3. Very flat response making it great for mix down and not adding color to your recordings. They do have a "Bass" switch on the back make sure this is turned off or it adds bass to your mix through the monitors and you will end up reducing bass through EQ and when you master it the bass will be thin. The only complaint that I have is the XLR cable that connects the 2 monitors together is to short. It needs to be at least a 1-2 feet longer. Great quality, but short.


    Good Value

    By Onis McHenry

    from New York City, NY

    Comments about Alesis M1Active 520 USB Studio Monitors:

    I am very happy with these monitors. I dable with home recording and use the M-Audio Fast Track system. I run the line feed from the Fast Track module to the speakers for monitoring purposes and use the USB connection from the computer for general playback. I live in a one bedroom apartment and these monitors provide a nice balance between size and performance. They are a big improvement over my old monitors. Thus far I am very satisfied.

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