... (<0.5ms), 10 meters wireless transmitter.2. Subwoofer: Material is MDF, horizontal designed, 2.1 audio, 5.25 speaker structure, undertone ... the blue light.5. Back part, clear cables hole.6. Round edge7. Simply and fashion in classic trend.Detail ... yesVolumn Control: KnobLouderhailer: higher: 3 inch,4Ω,15W; Lower: 5 inch,4Ω, 30WLower controler: yesInterface: 2.4Gwiress receiver,4RCA audio slotPower ...