The 2 Pair TOA 900 Series A-903 Amplifier Mounting Ears with Screws is a set of mounting ears designed specifically for the TOA 903 A mixer amplifier. These mounting ears provide a secure and stable way to attach the amplifier to a rack or other surface, allowing for easy placement and accessibility during performances or audio setups. With the included screws, users can easily install the mounting ears to ensure a secure fit for their amplifier.