Check the listing for details. Gemini GPSS-650 Battery-Powered PA System. Condition: New. Listed at 329.95 USD. The GPSS-650 from Gemini is a professional grade, ultra-portable personal PA system that delivers huge room-filling sound from a compact speaker. With a 200-watt Class D amplifier driving a 6.5" woofer with 1" voice coil and a 2.75" NEO high frequency driver, plus an onboard 3-channel mixer with effects and LED clip indicators, the GPSS-650 packs an entire professional PA system into a condensed package that you can carry with ease in one hand. This all-in-one PA system is ideal for karaoke, conferences, weddings, parties and so much more; wherever clean high-quality sound is needed, the GPSS-650 will meet your every demand. Bluetooth streaming with TWS Link allows you to link 2 GPSS-650s for true wireless stereo sound or use the balanced XLR line output to expand your sound system.