The SW925 Digital Audio Travel Partner Plus is our most complete, all-in-one PA system. The 250-watt portable address system will clearly and powerfully project your voice or music over an audience of up to 7500 people in a room size of up to 25,000 square feet. You're in control with built-in Media Player allowing you to play your own recorded music using your SD card or Thumb Drive. Also, stream audio wirelessly from your smart phone, tablet or any other Bluetooth® enabled device. Use this system indoors or out, and protect the Digital Audio Travel Partner Plus from the elements with its custom-fit protective cover made from water-repellant nylon fabric and sound transparent mesh. Rear access panels let you hook up cables, antennas and access controls with ease while keeping your gear dry. A proven road warrior, specially tooled and molded plastic enclosure for exceptionally durability. It weighs only 35 lbs., travels and sets up easily with tripod mount plus retractable luggage handle and wheels makes it effortless to take with you. The system is powered either with AC power or with its build-in rechargeable battery that lasts about 6-10 hours (depends on volume) on a single charge. Future ready with four expansion banks add the peace of mind of being able to keep up with the advancement of new technologies. Includeds Wireless Powered Dual Speaker and Transmitter has built-in 250 watt amplifier and receiver and two 6.5" NEO woofers & dynamic compression tweeter. It includes the S1691T wireless speaker transmitter which connects to the line-out or record-out jack on the SW925 for a cordless link between the main PA and the Speaker within the 300 ft. reception range. The S1691T can be connected to any PA system or device that has a 1/4" or 3.5mm LINE OUT jack. Built-in rechargeable batteries and AC Power cord. All built into cabinet with handle and wheels. Our wireless powered speakers allow you to be heard in a large loud audience without the restrictions of wires. Save time setting up and packing up your sound system that conventional wired speakers require by going wireless. Add to any sound system, our wireless powered Speaker that can be easily placed up to 300 feet away from each other. Built-in amplifier and receiver is included in select models with a powerhouse 250 watt amplifier.