All-in-one amplifier, 6-zone, 240W

The Plena All‑in‑One System is a six‑zone 240 W background music and paging system, which consists of the Plena All‑in‑One Unit, an optional remote Wall Panel, and one or more Call Stations. It is a cost effective public address system for small to medium sized venues that require an easy‑to‑use out‑of‑the‑box solution. System overview
The Plena All‑in‑One Unit can provide hours of uninterrupted music from USB or SD flash memory. The unit also has a built in AM/FM tuner with presets. To ensure for optimum performance, the All‑in‑One Unit has no moving parts, such as hard drives that can fail or wear out. It is compatible with SD, SDHC and MMC cards, and USB memory sticks. The unit is supplied with an IR remote control for controlling the music source. To enhance the
performance of the public address system, the following optional products can be connected to the
All‑in‑One Unit:
• One or more Call Stations for six‑zones and all‑call, so that calls can be made to any combination of zones or
all zones. A maximum of six Call Stations can be connected in a loop‑through arrangement to the same
All‑in‑One Unit.
• A Wall Panel for enabling control of the background music from a remote location; the Wall Panel even allows a microphone or portable music player to be connected to the system.
• An additional power amplifier, so that music can be heard in one set of zones while calls can be made to another set of zones. The All‑in‑One Unit is a 3 U high 19” wide rack‑mount unit. The unit is supplied with detachable rack‑mount brackets so that it can be used on a tabletop or installed in a rack.
Functions
Microphone and line inputs
The All‑in‑One Unit has six inputs that can be switched between microphone and line level sensitivity. Input 1 also accepts an optional all‑call Call Station (PLE-1CS or PLE-1SCS). The inputs are balanced but can also be used unbalanced. Phantom power can be switched on to provide power to condenser microphones. The inputs can either be mixed or can be configured with different priority arrangements (serial/blocking/overriding), based on a
signal detection at each input.
Call station input
A maximum of six optional Call Stations can be connected in a loop‑through arrangement to the same All‑in‑One Unit. The PLN-6CS Call Station has a limiter and configurable sensitivity, a speech filter, and an attention chime.
Music inputs
The unit has three music inputs and an internal music source. The internal music source plays MP3 files from an SD/MMC card or USB device with a capacity of up to 32 GB. The player will automatically search and play all playable MP3 files and has repeat and random play modes. The following formats are supported: MP3 files with bit‑rates from 32 kbit/s to 320 kbit/s, mono/ stereo/joint‑stereo, and continuous bit‑rates (CBR) as well as variable bit‑rate (VBR). If a microphone signal receives priority, the music is either muted or attenuated to an adjustable level (music ducking).
FM/AM Tuner
The digitally controlled tuner uses a frequency synthesizer and has presets to store favorite radio stations.
Output power
The built‑in 240 W power amplifier of the All‑in‑One Unit makes this a complete single-channel audio system for music distribution and paging. To enable two‑channel operation, an external power amplifier can be connected to the All‑in‑One Unit.
Zone outputs
The unit has six zone outputs for connection to different zones. The volume level of each zone can be
adjusted separately.
Remote control Wall Panel input
An optional Wall Panel can be connected to the All‑in‑One Unit by use of a standard Cat‑5 cable and RJ45 connectors. The Wall Panel provides remote control of the system, as well as an input for a remote music player or microphone. The Enable button on the remote Wall Panel can be pressed to gain control over the music selection and master volume. This makes it the perfect accessory for a small system that requires operation from a second location with local audio inputs.
Controls and indicators
Front panel:
• Power on LED
• LED VU meter for master output
• Master volume control
• Six volume‑level controls for microphone inputs
• Separate bass and treble control per input
• Music source controls
Rear side panel
• On/off mains switch
• Priority mode and chime selector switches
• Chime level control
• Ducking level control
• Telephone/100 V input volume control