... Shortest Latency: <0.5ms Frequency response: 20-20Khz Mini 2.1 speaker wireless1. Classic again, MDF & aluminium, built-in antenna, shortest ... wireless transmitter.2. Subwoofer: Material is MDF, horizontal designed, 2.1 audio, 5.25 speaker structure, undertone stronger, output is 30W3 ... controler: yesInterface: 2.4Gwiress receiver,4RCA audio slotPower adopter: 220VLine size: 1.5-2 meters