... Latency: <0.5ms Frequency response: 20-20Khz Mini 2.1 speaker wireless1. Classic again, MDF & aluminium, built-in antenna ... ), 10 meters wireless transmitter.2. Subwoofer: Material is MDF, horizontal designed, 2.1 audio, 5.25 speaker structure, undertone stronger, output ... higher: 3 inch,4Ω,15W; Lower: 5 inch,4Ω, 30WLower controler: yesInterface: 2.4Gwiress receiver,4RCA audio slotPower adopter: ...