Features: •MDF wood enclosure for subwoofer. •5" long-throw woofer driver. •Front hyperboloidal bass port， delivers powerful bass output. •Wired remote volum control with mute button and power LED indicator. •Headphone jack on remote control for more convenience. Specifications: •Amplifier power output: Satellite: RMS 8Wx2 (THD=10%， fo=1khz) Subwoofer: RMS 14W (THD=10%， fo=1khz) •Signal to noise ratio (Amplifier): >=85dBA •Amplifier distortion: THD+N<0.5% •Input Impedence: 10K Ohm •Input Sensitivity: Satellite 450mV (+/- 50mV)  Subwoofer: 90mV (+/- 10mV) •Volume Control: Wired Volume Control， Subwoofer built-in Bass Control. •Bass Unit: 5 inch (131mm)， Magnetically Shielded， 4Ohm. •Satellite Unit: 3 inch (78mm) full range， Magnetically Shielded， 4Ohm. •Dimension Subwoofer: 158(W)x200(H)x286(D) mm •Dimension Satellite: 95(W)x160(H)x108(D)mm •Weight: approx.5.3kg •Power input: 100V-120V ~， 50/60Hz (for Model USA/Canada/Japan) 220V-240V ~， 50/60Hz (for Model European/China/Korea/South America， etc.)