• Six-zone system pre-amplifier, with single or dual channel operation
• Two input channels for call stations
• Universal input for microphone/line, with speech optimized tone control
• Three inputs for BGM selection and music optimized tone control

The Plena system pre-amplifier is a versatile, high-performance unit with call and mono BGM (background music). It fulfills a wide variety of public address requirements at a surprisingly low cost. It can provide dual channel operation for simultaneous calls and BGM for up to six different zones, using two Plena amplifiers.