Check the listing for details. Electro-Voice EVOLVE 50M Portable Linear Column Array PA System. Condition: New. Listed at 2299.00 USD. Electro-Voice is expanding its industry-leading EVOLVE series with the launch of the EVOLVE 50M column loudspeaker system. The EVOLVE 50M features Electro-Voice’s new QuickSmart Link digital audio and control technology, an onboard mixer, DSP and effects—all combined within the sleek EVOLVE 50 format. The EVOLVE 50M is the perfect choice for bands/musicians, AV rental companies, DJs and any application where true professional audio performance is required in a super compact and portable package. This is the black version. For a white-themed version, see SKU#116985557.The EVOLVE 50M combines state-of-the-art industrial design, superior Electro-Voice-engineered components and premium materials to deliver best-in-class sound quality, power and reliability.