... & aluminium, built-in antenna, shortest latency (<0.5ms), 10 meters wireless transmitter.2. Subwoofer: Material is MDF, horizontal designed, 2.1 ... )mm;Satellite: 89(L)*80(W)*154(H)mm;Frequency: 2.4-2.483GHzWalt: 45WImpedance: 4ΩSNR: ≥95dB (1KHz THD1%)Sensitive: -85dB ... 15W; Lower: 5 inch,4Ω, 30WLower controler: yesInterface: 2.4Gwiress receiver,4RCA audio slotPower adopter: 220VLine size: 1.5-2 meters