Atlas Sound PB21XEB Adjustable Boom - Ebony Great for use with MS or DMS series stands The Atlas PB21X Extendable Length Boom adjusts from 25-1/2" to 38-1/2" and features a 2-lb adjustable counterweight Perfect for live sound or recording The Atlas PB21X Extendable Length Boom adjusts from 25-1/2" to 38-1/2" and features a 2-lb