Alesis M1Active 520 USB Nearfield Studio Monitors with USB Audio Interface
Designed for professional studio use combined with a stereo USB audio interface, the M1Active 520 USB studio monitor covers nearly all frequencies audible to human ears--from 20,000 Hz all the way down to 56 Hz. And with its USB capabilities, you can take USB digital signal out of your computer and input it to M1Active 520 USB for low-noise, low-distortion performance. This package includes a pair of M1Active 520 USB monitors.The pair of M1Active 520 USB studio monitor (also see a larger schematic of the rear connections and controls).The M1Active 520USB around a 5-inch polypropylene low-frequency driver for full, smooth response in the low end and a 1-inch silk dome high-frequency driver for absolute clarity in the highs. Alesis' 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.The 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. The front-panel stereo 1/4-inch headphone output mutes the loudspeakers when connected.Key FeaturesTwo-way, active, bi-amplified pair of reference studio-monitor loudspeakersWide, 56 - 20,000 Hz frequency response60W system with 30W per speakerFive-inch lightweight polypropylene wooferOne-inch silk-dome tweeterIntegrated USB audio interface with 16-bit, 44.1/48 kHz recording and playbackTwo balanced-1/4-inch inputsStereo, 1/4-inch headphone outputMagnetically shielded for placement near TV and computer monitorsLow-resonance cabinet with tuned bass portBi-color signal/clip indicatorSwitchable power supply ensures worldwide operationUSB Digital Audio InterfaceIn 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.What's in the BoxTwo M1Active 520 USB loudspeakers, XLR connection cable (6-foot), USB cable (6-foot), power cable, quick start guideSpecificationsLow-frequency driver:5-inch lightweight, magnetically-shielded, ultra-stiff polypropylene cone with rubber surround and high power handling voice coilHigh-frequency driver:1-inch silk dome with magnetic shieldingFrequency Response:56 - 20,000 HzPower:30W per channel RMSSignal-to-Noise Ratio:>90dB weightedDigital Conversion:16-bit delta sigma, 44.1kHz or 48kHz sampling rateInputs:Two balanced-1/4-inchPolarity:Positive signal on "+" pin creates forward cone displacementInput Impedance:10k ohmsInput Level:-10dBV nominal, balancedDynamic Range:>80dB