It involves two wireless microphones and a quarter-inch input to get a musical instrument or another microphone. It’s also IPX4-rated and contains Auracast, which is scheduled for the March 2025 launch. The Go four is among the initially portable Bluetooth speakers to the market to incorporate Auracast Bluetooth technology. https://www.bluetoothspeaker.top/factory-price-loudspeaker-box-portable-bluetooth-speaker-made-in-china/