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Legendary Pedigree             

Over the span of more than a decade, Alesis monitors have established an enviable, well-deserved reputation for accuracy and dependability that made them an excellent choice for professional use. The original best-selling M1 monitors were perfect for almost any situation. Our latest generation, the M1 Active MK3, features advancements in studio monitor technology that bring the Alesis M1 series to a whole new level of legendary unmatched professional sound.

Modern Aesthetics               

The M1 Active MK3 studio monitor utilizes a beautiful new 5-inch aluminum woofer that is lighter and stiffer than typical carbon-fiber, paper or glass-Aramid woofers, giving the MK3 an even faster transient attack and more linear response through the bass and midrange. Additionally, a precision-designed waveguide provides high-frequency dispersion in a well-controlled, predictable pattern. This ensures a widened listening “sweet spot”—even well to the side (“off axis”) of the speaker—while at the same time preventing random scattering of the sound. The smoothly radiused “aerodynamic” cabinet edge prevents objectionably-audible artifacts from edge diffraction and the flared front-firing bass ports eliminate distracting port turbulence from the speaker’s bass output.

Pristine Clarity                 

With M1 Active MK3 studio monitors, you can listen, mix, and create with complete confidence that you’ll get the most accurate sound. The M1 Active MK3 monitors feature a wide frequency response (from 55-22 kHz, ±3dB), so you can hear all the music with the lifelike realism demanded by today’s music. The M1 Active MK3 also features a Class A/B 40-watt LF amplifier/25-watt HF amplifier for smooth, “gutsy” performance and generous headroom compared to ordinary “digital” amplifiers. Additionally, the balanced XLR+1/4” combo input allows for complete hookup flexibility for all of your favorite studio equipment.

Additional information

Weight 6 kg
Dimensions 22 × 19 × 27 cm

5"  low frequency woofer for clear bass and midrange
3/4" silk dome tweeter for smooth, detailed highs without harshness
Bi-amplified design / tweeter – 25W,   woofer – 50W for ultra accurate frequency separation
High-precision drivers offer lower distortion and smoother frequency response
Acoustical waveguide for superior imaging with minimal diffraction
1" thick front baffle virtually eliminates speaker resonance
Magnetically shielded for close placement to video monitors in computer-based music production studios
XLR and 1/4" TRS input connectors with volume control
Low frequency density switch for acoustic space adjustment of the monitors
Rear port design provides deep bass extension and increased SPL
Hi, mid and low frequency EQ switches to accommodate user preference and sub-woofers
Top mounted, integrated power switch/clip light bar


Bi-amplified Design
Tweeter – 25W, woofer – 50W

5” lightweight, magnetically-shielded, ultra-stiff polypropylene cone with rubber surround and high power handling voice coil.

3/4” silk dome with magnetic shielding.

Frequency Response
56 Hz – 20 kHz

Crossover Frequency
2.8 kHz

Signal-to-Noise Ratio
>100 dB below full output, unweighted.

XLR and 1/4” supporting both balanced and unbalanced cabling.

Positive signal on “+” pin creates forward cone displacement.

Input Impedance
20k ohms balanced or 10k ohms unbalanced.

Input Sensitivity
85 mV noise (pink) produces 90 dB(A) output SPL at 1 meter. Gain knob turned fully clockwise (maximum).

Dimensions (W x H x D)
6.5” x 10.5” x 7.75” / 16.5 cm x 26.7 cm x 19.7 cm

Net Weight (each speaker)
13.0 lbs / 6.0 kg.

Ship Separately


Product can be split into multiple boxes


  • 65W (40 LF, 25 HF) Bi-amplified design for powerful, accurate sound
  • 5” aluminum low-frequency driver; 1” silk dome tweeter
  • New computer-optimized tweeter waveguide for precise imaging
  • Optimized front-firing ports for extended low-frequency response
  • Balanced XLR+1/4” combo input for complete hookup flexibility
  • Ultra-wide 45-22kHz frequency response covers full musical spectrum



It takes more than just designing, manufacturing and selling digital, analog, semiconductor and transducer technologies to fulfill the dreams of musicians, producers and audio engineers. It takes unforgettable musical experiences. The experiences can vary. They can be as simple as a gig at a local club recorded on an Alesis iMultiMix 8 USB, as familiar as a practice session on an Alesis DM5 Pro Kit in the basement or as memorable as that Rock Tour recorded on a tried and true Alesis ADAT. If there’s one secret to our enduring brand and the passion it ignites in musicians, producers and engineers, it’s that we deliver these experiences, rather than merely a collection of products and services. We’re dedicated to inspiring musical creativity and developing musical experiences for all of our stakeholders – customers, employees, partners, suppliers, and the musical community at large. That’s what sets Alesis apart from the crowd and why our brand continues to be on the leading edge of professional audio and music technology. While our products range from keyboards, synthesizers, hard disk recorders, iPod recording and playback devices, electronic drums, mixers, signal processors, effects units, amplifiers and speakers one thing remains consistent; our passion for inspiring musical creativity and innovation through new technology.


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STUDIO Speakers - Monitors Alesis M1Active MK3