... format2. With color light3. With remote control4. With Karaoke function,2 microphone socket input5. Volume, bass, treble, echo, mic- ... 20'GP (28m³):668sets 40'GP (58m³):1380sets 40'HQ (68m³):1616setsRemarks1.Guangzhou Aoyace Speaker Equipment Factory makes all ... , stage speaker, DJ speaker, speaker cone4. Our subwoofer speaker,2.0 speaker, speaker cabinet, laptop speaker, amplifier speaker, portable ...