Professional 400 Watts Active/Powered Studio Monitor Speakers Bluetooth/USB/SD/FM Radio One Powered speaker & One Passive Speaker / Peak Power 400 Watts 5" Woofer & 1" tweeter / Finishing: Painting PVC Bluetooth/FM/USB/SD functions / Support MP3/WMA format files / Max size: 32GB / Bluetooth compatibility allows for wireless connection to any A2DP stereo Master volume control / Treble/Mid/Bass controls / Two Microphone input / Microphone volume / Echo control Aux & RCA input connection for any music devices / Outputs: Speaker Wire / AC Power Input: 115V-230V Switch-able