... Shortest Latency: <0.5ms Frequency response: 20-20Khz 2.1 speaker system with amplifier1. Classic again, MDF & aluminium, built-in antenna, ... 0.5ms), 10 meters wireless transmitter.2. Subwoofer: Material is MDF, horizontal designed, 2.1 audio, 5.25 speaker structure, undertone stronger, ... to adjust the sound, moreover, it show the blue light.5. Back part, clear cables hole.6. Round edge7. Simply ...