... : 4Ohms-8OhmsSNR: > 89 dB Speaker units: 4″bass+2*3″full rangeFrequency response: 40Hz-18 KHzDescription:1. Built-in ... . With color light3. With remote control4. With Karaoke function,2 microphone socket input5. Volume, bass, treble, echo, mic-volume separately ... , stage speaker, DJ speaker, speaker cone4. Our subwoofer speaker,2.0 speaker, speaker cabinet, laptop speaker, amplifier speaker, portable ...