Samson Expedition XP510i 500-Watt Portable PA Dual 2-way speaker enclosures, powered mixer with built-in 500 watt (2 x 250) Class D amplifier Packs up into a single portable unit that weighs just over 50 pounds, Enclosures tilt back for use as floor monitors 10-channel mixer with built-in iPod dock, four mic/line inputs, three stereo inputs and phantom power Custom 10-inch woofers in 2-way vented enclosures with 1-inch high frequency driver Ten studio-quality 24-bit digital effects, Integrated 1-3/8-inch speaker stand mounts, Cables included Dual 2-way speaker enclosures, powered mixer with built-in 500 watt 2 x 250 Class D amplifier Packs up into a single portable unit that weighs just over 50 pounds 10-channel mixer with built-in iPod dock, four mic/line inputs, three stereo inputs and phantom power Custom 10-inch woofers in 2-way vented enclosures with 1-inch high frequency driver