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The M1 Active 520 is the third generation of the acclaimed Alesis M1 Active Series. The M1 Active 520 offers incredible bass and midrange definition and flat frequency response from its high-precision driver and professionally crafted crossover.
With a bold new look, redesigned driver, bass density control and EQ, this affordable, high-precision active reference monitor delivers superb sonic clarity.
5" low frequency woofer for clear bass and midrange3/4" silk dome tweeter for smooth, detailed highs without harshnessBi-amplified design / tweeter - 25W, woofer - 50W for ultra accurate frequency separationHigh-precision drivers offer lower distortion and smoother frequency responseAcoustical waveguide for superior imaging with minimal diffraction1" thick front baffle virtually eliminates speaker resonanceMagnetically shielded for close placement to video monitors in computer-based music production studiosXLR and 1/4" TRS input connectors with volume controlLow frequency density switch for acoustic space adjustment of the monitorsRear port design provides deep bass extension and increased SPLHi, mid and low frequency EQ switches to accommodate user preference and sub-woofersTop mounted, integrated power switch/clip light bar
Bi-amplified Design / Tweeter - 25W, woofer - 50WWoofer. 5" lightweight, magnetically-shielded, ultra-stiff polypropylene cone with rubber surround and high power handling voice coil.Tweeter. 3/4" silk dome with magnetic shielding.Frequency Response. 56 Hz - 20 kHzCrossover Frequency. 2.8 kHzSignal-to-Noise Ratio. >100 dB below full output, unweighted.Inputs. XLR and 1/4" supporting both balanced and unbalanced cabling.Polarity. 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 cmNet Weight (each speaker). 13.0 lbs / 6.0 kg.