The onboard treble, bass and echo controls let you dial in just the right sound. TWO 8in SPEAKERs TWS SYSTEM + 2 STANDS + 2 WIRED MICS.This versatile PA speaker system packs a punch delivering full-range audio for any music/vocal performance or speaking engagement. Keep the party alive while playing music from a variety of sources including Bluetooth-enabled devices, music stored on USB drives, TF memory cards, or connect your favorite portable audio player directly via the auxiliary input.