About

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

Six-zone system pre-amplifier, with single or dualchannel operation

Two input channels for call stations

Universal input for microphone/line, with speechoptimized tone control

Three inputs for BGM selection and music optimizedtone control

Front panel zone selection for BGM and call stationzone selection for calls

High-Performance Pre-Amplification

Engineered for optimal sound quality, the LBB 1925-10 maintains a signal-to-noise ratio of over 60 dB and minimal output noise (<1 mV). It ensures distortion-free audio, making it ideal for demanding PA environments where clarity and reliability are essential.


Flexible Connectivity and Controls

Equipped with XLR and RCA connectors for both input and output, plus dedicated bass and treble controls, this pre-amplifier accommodates a variety of microphones, line sources, and auxiliary devices, allowing users to finely tune audio for their specific setting.


Rugged Build and Rack Mountable Design

Constructed with a durable metal chassis and finished in silver/black, the 2U rack mountable format simplifies professional installations in studios, halls, and AV racks, providing both functional protection and aesthetic versatility.