■ SPEAKER SELECT(5ZONE SPEAKER OUTPUT)
    Six speaker select switches enable you to select any combination of up to five speakers.
■ SELECTABLE PRIORITY MUTING
    Switchable audio signal priority for MIC Channels 1, siren, Chime and Telephone input over other input sources.
■ MONITOR SPEAKER
    You can monitor output signal by using the monitor speaker, and can control the monitor level on front panel by 3 step lever switch.
■ ANNOUNCEMENT CHIME 
    Convenient four-tone chime for use with announcements.
■ REMOTE CONTROL INPUT    
    Individual speaker zones can be selected and chime can be operated by wired remote control.
■ EM(EMERGENCY)
    When EM switch is pressed in emergencies, EM broadcasting stored in VOICE IC is outputted.
■ REMOTE POWER
    You can turn on/off amplifier by remote control.
■ INDIVIDUAL INPUT GAIN CONTROLS 
    Rear-panel gain controls for each input channel for total control of individual levels.
■ MODULAR DESIGN
    Optional modules can be installed in multiple configurations for convenience and ease of use. Choose the PAM-CDA (Compact Disc), PAM-T (AM/FM Tuner) or PAM-D (Cassette Deck) modules to expand the