Alesis M1 Active 320 USB (Pair)

Alesis M1 Active 320 USB, USB monitoring system (2 speakers) with built-in audio interface. Woofer: 3" lightweight, magnetically-shielded, polypropylene cone with rubber surround and high power handling voice coil [4 Ohm impedance]. Tweeter: 1" silk dome, frequency response: 80Hz - 20kHz, bass boost: 4.8dB at 100Hz. Power: 10W per channel RMS. USB 1.1 audio interface, 16-bit/44.1-48kHz recording and playback, pro grade 1/4" plugs and standard RCA jacks, TRS headphone output, 2x 1/4" phone jack inputs, stereo 1/8" TRS mini-jack input, stereo (L+R) inputs, 1/8" TS output to passive speaker, switchable power-supply, magnetically-shielded for placement near TV/computer monitors. Dimensions: 12.7 x 15.3 x 19.0cm (HxWxD). Total weight: 3.4kg