This Clear-Com AX-704 IFB Expansion Control Panel is perfect for audio professionals. Whether you're in a live event or studio setting, it offers great sound quality, power efficiency, and versatile connectivity. It requires MA-704 and comes with options for console or rack mount (CEP-RK). Dimensions are 4.9 x 1.75 x 5.5 in (125 x 44 x 140 mm) (WxHxD) and it weighs 1.35 lbs (0.61 kg). It can operate in an environment of 32 F - +122 F (0 C - +50 C). Ideal for those who need reliable audio control in their work.