... ohm concert stage speakers, stage portable speakers, active stage speaker View all concert stage speakers, stage portable speakers, active stage speaker ... speaker, vibration speaker, portable speaker, car speaker, jbl speakers, bluetooth speaker. Specifications:1) Model: XC-608 2) ... microphone interface8) System Type: 2-Way9) Output power:20*2W10) Frequency response:30Hz-20kHz11) Impedance:4 ohm12) ...