50 Watt multimedia stereo amplifier reaches up to 1,000 people outdoors or in rooms up to 10,000 square feet.Wired handheld mic.Stream audio from any Bluetooth equipped smartphone or tablet.Built-in Jensen design speaker.Three microphone inputs (dynamic, condenser, wireless).Connect to other audio devices for enhanced playback or recording.Weatherproof and scuff-resistant molded black luggage-type plastic case holds up to abuse and protects amplifier.Case contains sturdy foam shell for storing microphone and accessories.Runs up to 200 hours with ten D-cell alkaline batteries (not included), or use the optional rechargeable AmpliVox S1465 NiCad battery pack with S1460 AC adapter/recharger.