“Party box 310 karaoke mode can change the tempo of the music”
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When using our JBL PartyBox 310 in Karaoke, you can adjust the echo, treble, and bass level of the microphone (either wireless or wired), by rotating the Echo, Treble, and Bass knobs respectively. You can use any third-party app on your source device to change the tempo of the audio at your preference.
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