A new lightweight, portable column PA by Mackie, the SRM Flex, has enough power for an audience of up to 100 people and should be an interesting new option for solo performers.
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The Behringer C210B is a battery-powered column PA with an 8" subwoofer, four high frequency speakers and Bluetooth. They say it runs for ten hours on a single charge. Oh, and it also does lighting.
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HK Audio has introduced the POLAR 10 column PA. Designed to combine simple handling with a well-balanced sound, the POLAR 10 includes a subwoofer, column speaker, and built-in mixer with Bluetooth.