SPECIFICATION Model Delta Armor X Speaker Radius 50mm Impedance 20Ω Frequency Responses 20Hz – 20KHz Sensitivity 115dB S.P.L. at 1KHz Output Power 20mw Aggregate Capability 50mw Mic Diameter 6.0 x 2.7mm Mic Sensitivity -42dB±3dB Cable Length 2.1m ±0.15m Connector USB LED RGB with 4 Mode Feature Virtual 7.1 Channel Surround Sound