A powerful portable PA-speaker with internal MP3-player (also plays WMA) + FM-radio combination The MP3-player accepts both USB-sticks and SD-HC memory cards up to 32GB The FM-radio has an internal antenna (no broken antennas) and automatic station preset programming Powerful 250Wrms amplifier (500W music) In addition to the internal player, you can also connect: 2 MIC inputs (bal + unbalanced) 1 LINE input (bal + unbalanced) LINE OUT (balanced) to connect extra speakers Treble / bass tone controls Heavy duty Polypropylene cabinet housing Built-in heavy duty carrying handle Built-in 35mm stand adapter Built-in Rigging points High power 12” Woofer High power 1.35” Compression Driver