AUDIO FOUR SAAT INI MERUPAKAN MIXER TYPE TERBARU DARI ASHLEY FITUR 4 CHANEL MONO MIC LINE INSERT LINE PEAK LED EACH CHANEL AUX 2 3 BAND EQ TONE LOW MID HIGH PHANTOM 48+ DIGITAL MULTI EFEK REVERB 24BIT 16DSP USB MP3 PLAYER BLUETOOTH RECORDING TO FLASHDISK RECORDING TO PC SOUNDCARD