Mackie SRT215 15-Inch 1600-Watt Powered Loudspeaker 100790205 and a 1/4" adapter is

and a 1/4" adapter is included for connecting to pro-level audio equipment

and requires the effort of just a single hand to raise speakers weighing more than 50 lbs

Cable of direct connection to any audio source (including speaker level input) the PS15S can easily be added to virtually any mobile live sound or installation PA system quickly for added low end support

Simultaneous operation: Yes

Mackie SRT215 15-Inch 1600-Watt Powered Loudspeaker 100790205 and a 1/4" adapter isMackie SRT215 15 Inch 1600 Watt Powered Loudspeaker SRT Series Professional Powered Loudspeakers are designed for real world performance. The latest acoustic processing technology, powerful amplifiers, and ultra versatile SRT Mix Control + SRT Connect app means easy setup, incredible sound, and unbeatable reliability. Features: 1600W Class D Amplifiers SRT Series Loudspeakers equipped with our most rock solid amplifier platform ever for better