For performances where your audience is near you, tilt the S1 Pro+ onto its back edge. For best results, you need to stand or sit to at least one facet with the loudspeaker to prevent blocking sound from the audience. For devices or recorded material where stereo reproduction is essential, https://www.bluetoothspeaker.top/factory-private-mold-bluetooth-speaker-2200mah-battery-led-speaker/