M-Audio LX4 Expander System expands from 2.1 to a 5.1 system

Description:
The LX4 5.1 System instantly transforms the LX4 2.1 System to full 5.1 surround - now or later. The package includes three additional LX4 satellite monitors for a total of five satellites and a subwoofer. Compact design provides for easy placement of each component. All the power is in the subwoofer, eliminating hassles with routing AC around the room. Features adds 3 satellites to LX4 2.1 System for complete 5.1 surround 15 watts per channel (powered via sub) 4 polypropylene MF drivers 1" mylar HF drivers small enough to fit anywhere ported enclosures for optimal fidelity Specifications dynamic range: 100dB (A-weighted) frequency response: 40Hz-C20kHz; +1dB, -3dB (satellites and sub) mid-range/ tweeter crossover frequency: 2.9kHz RMS SPL @ 1 meter: 102.5dB signal-to-noise ratio: 82dB @ 1 watt (typical, A-weighted) satellite size/weight: 8.5" (h) x 5.75" (w) x 6.25" (d); 4.4 lbs. each "