... Latency: <0.5ms Frequency response: 20-20Khz Mini 2.1 speaker wireless1. Classic again, MDF & aluminium, built-in antenna, ... is MDF, horizontal designed, 2.1 audio, 5.25 speaker structure, undertone stronger, output is 30W3. Black with red ... 20KHzMagnetism resistance: yesVolumn Control: KnobLouderhailer: higher: 3 inch,4Ω,15W; Lower: 5 inch,4Ω, 30WLower controler: yesInterface: 2.4Gwiress receiver, ...