... meters wireless transmitter.2. Subwoofer: Material is MDF, horizontal designed, 2.1 audio, 5.25 speaker structure, undertone stronger, output is 30W3. ... mm;Satellite: 89(L)*80(W)*154(H)mm;Frequency: 2.4-2.483GHzWalt: 45WImpedance: 4ΩSNR: ≥95dB (1KHz THD1%)Sensitive ... higher: 3 inch,4Ω,15W; Lower: 5 inch,4Ω, 30WLower controler: yesInterface: 2.4Gwiress receiver,4RCA audio slotPower adopter: 220VLine ...