Bosch Plena – All-in-One Unit

Plena All-in-One Unit

Key Features:

• Complete Background Music & Paging Solution: Six-zone paging system with a built-in 240W amplifier.
• Integrated Music Sources: Includes an AM/FM tuner with presets, MP3 player for USB and SD card inputs.
• Remote Control Options: Supports optional Call Stations for zone-specific announcements and a remote Wall Panel for background music control.
• Expandable System: Can connect additional power amplifiers and input devices to enhance system performance.

Description:
The Plena All-in-One Unit is a comprehensive audio solution for small to medium-sized venues requiring background music and paging capabilities. This versatile unit combines a six-zone paging system, a built-in 240W amplifier, an MP3 player for USB/SD cards, and a built-in AM/FM radio tuner. It is designed for ease of use, with no moving parts to ensure long-term reliability. The unit can be expanded with optional Call Stations and Wall Panels for remote control of music and microphone inputs.

Applications:
This all-in-one system is ideal for locations like offices, retail stores, schools, and small public venues where music and paging are required in multiple zones.

Functions:

• Music and Paging Control:

  • Plays MP3 files from USB or SD cards (up to 32GB), supports repeat and random play.
  • AM/FM tuner with preset station storage.
  • Provides a paging function to make announcements in any combination of six zones.
  • Music ducking adjusts the volume of background music when paging.

• Microphone and Line Inputs:

  • Six inputs that can be switched between microphone and line level sensitivity.
  • Input 1 can accept a priority Call Station.
  • Phantom power available for condenser microphones.
  • Configurable input priority (serial, blocking, overriding).

• Call Stations:

  • Connect up to six optional Call Stations (such as the PLN-6CS) in a loop-through arrangement.
  • Each Call Station features a limiter, configurable sensitivity, speech filter, and an attention chime.

• Zone Control:

  • Six independently controlled zone outputs, each with adjustable volume.

• Remote Control Options:

  • Wall Panel: Enables remote music selection, volume control, and microphone/music input via Cat-5 cable connection.
  • Call Station: Allows paging to specific zones or all zones.

Connectivity:

• Microphone/Line Inputs: Six balanced XLR inputs (phantom power available).
• Call Station Input: RJ45 for PLN-6CS.
• Music Inputs: Three Cinch (RCA) stereo-to-mono inputs.
• FM/AM Tuner Input: 75 ohms (coaxial).
• Master Output: XLR, balanced.
• Zone Outputs: 1-6 (100/70/50/35/25/17V) for various speaker configurations.
• Remote Wall Panel Input: RJ45 for PLN-4S6Z.

Controls & Indicators:

• Front Panel:

  • Power ON LED, LED VU meter for master output, master volume control, individual volume controls for mic inputs, and music source controls.
  • Separate bass and treble controls for each input.

• Rear Panel:

  • Mains power switch, priority mode and chime selector switches, chime level control, ducking level control, telephone/100V input volume control.

Certifications & Approvals:

• Safety: IEC/EN 60065
• EMC: EN 55103-1, EN 55103-2, EN 61000-3-2, EN 61000-3-3
• Environmental: EN 50581
• US: UL 60065, FCC Part 15B
• Canada: CSA C22.2.60065
• China: CCC
• Australia/New Zealand: C-Tick
• Europe: CE

Parts Included:

• 1 Plena All-in-One Unit
• 1 Meter Cat-5 cable (RJ45)
• 1 Adaptor for PLE-1CS or PLE-1SCS microphone
• 1 AC power cord (European)
• 1 Safety Instructions
• 1 AM indoor antenna
• 1 Coax connector for FM antenna
• 1 Pair of 19” rack brackets
• 1 Remote control unit (without batteries)
• 1 Installation and Operating Manual

Technical Specifications:

• Power Supply: 115/230 Vac ±15%, 50/60 Hz
• Power Consumption: 720 W max
• Frequency Response: Microphone inputs (100 Hz – 15 kHz), Line inputs (50 Hz – 20 kHz)
• Distortion: <1% at rated output power, 1 kHz
• Music Input: Cinch connectors, stereo-to-mono, 500 mV (inputs 1/2), 300 mV (input 3)
• FM Tuner: 87.5 – 108 MHz range, <1% distortion, automatic tuning sensitivity ≤50 μV
• AM Tuner: 530 – 1602 kHz range, sensitivity 30 μV
• Output Power: 240W built-in amplifier
• Dimensions: 133 x 430 x 365 mm (19” wide, 3U high)
• Weight: Approx. 18 kg (39.7 lbs)
• Mounting: Standalone or 19” rack-mounted

Environmental Conditions:

• Operating Temperature: -10ºC to +45ºC (14ºF to +113ºF)
• Storage Temperature: -40ºC to +70ºC (-40ºF to +158ºF)
• Humidity: <95% (non-condensing)