So whether or not you’re planning on bringing your Bluetooth speaker or your old boombox, read on to learn every thing you need to know. The ideal frequency range is among 100Hz to 20,000 Hz. The previous is definitely the lowest frequency while the latter is definitely the highest. https://www.bluetoothspeaker.top/bluetooth-wireless-speaker-outdoor-sports-audio-stereo-tf-card-mobile-phone/