... Latency: <0.5ms Frequency response: 20-20Khz 2.1 speaker system with amplifier1. Classic again, MDF & aluminium, built-in antenna, shortest latency ... , 5.25 speaker structure, undertone stronger, output is 30W3. Black with red aluminium line, it is more fashionable.4. Volume part ... : 2.1Sorts: Meltimedia speakerSize: MMSubwoofer: 286(L)*200(W)*158(H)mm;Satellite: 89(L)*80(W)*154(H)mm;Frequency: 2 ...