PSM 400 Wireless and Wired systems make professional quality personal monitoring available to more performers than ever before. Each system includes everything a working musician or band needs to receive consistent personal monitor mixes. Designed for performers who are tired of the limits of floor wedges, the PSM 400 offers hands-on control and freedom to musicians who have a limited budget for gear. With a wide range of available options - from complete Wireless and Wired systems to individual components - there is a PSM 400 that is right, rehearsal through performance, for almost everyone who performs live music.