The PA 240 USB/R is a 240-watt installation amplifier featuring a USB/SD player/recorder. It is equipped with a 5-input mixer for audio control, complete with independent volume adjustment, Master level control, and bass/treble tone control. The amplifier allows the selection of up to four different audience zones. It comes with a pre-out terminal for sending the mixed signal to an external amplification system or connecting external devices like equalizers or processors. The inclusion of a 1-watt monitor output enables the connection of a speaker for monitoring purposes. For enhanced security, the amplifier features a notification on/off switch and TEL/Emer connection for emergency announcements.