The American Audio, Media Operator BT is a fast, simple and reliable all-in-one MP3/Bluetooth media player designed for permanent installations where easy control of music is a must (ie. restaurants, fitness studios, retail locations, etc.) and great for mobile entertainers as well. The Media Operator BT offers digital playback from SD cards or USB sticks/drives.The Media Operator BT includes full MP3 playback control as well as a microphone input (XLR / 1/4” combo), master volume control and 3x line output options. Plug the unit directly into powered speakers, an amplifier or secondary mixer through the balanced XLR, 1/4" or stereo RCA outputs.SpecificationsSD Card* / USB 2.0 / Bluetooth full functioning MP3 PlayerTrack Time DisplayTrack Search ButtonsEasy-to-useBright LCD DisplayReads SD/SDHC cards up to 32GBUp to 1000 MP3 songs on a 1G SD Card** (MP3 recorded at 128bit rate**)4x RCA line Inputs and 1x 35mm Auxiliary Jack Input1x RCA, 1x L/R Unbalanced 1/4” Jack, 1x L/R Balanced XLR Outputs Master music output volume controlIndividual EQ Treble / EQ Bass control for MusicCombo Mic input: 1/4” jack and XLRMaster mic output volume controlIndividual EQ Treble / EQ Bass control for MicVoltage Selector Switch: 115V or 230V 50/60HzDimensions (L x W x H): 19” x 4” x 1.75” in. / 483 x 193 x 44 mm (1 rack space)Weight: 4 lb. / 1.7 kg.