The SA-300BT USB/SD/BT Mixing Amplifiers are designed to meet the requirements of medium sized professional public address installations, and designed with over all 70V – 100V , 4Ω – 8Ω loads and featured an industry leading 5 Zones 100V load solution, 300W of amplifier power are available, with provided an audio output to 5 different zones within the venue, each zone has its own separate switch on/off manually operated on front panel, and each zone has its own LED indicator, shall light green for on.
Built-in CHIME and SIREN circuitry with push button and volume control on front panel. Five microphone jacks support 48V Phantom Power microphone and 6.35mm plug microphone, pushing the button “VOICE PRIORITY” the MIC1 can be set with priority over the other inputs with 0 ~ 30dB dB attenuation.All units feature protections against operation under quite severe misuse such as over temperature, over voltage, over load and short
circuit speaker line conditions.
