Bosch Plena Amplifier

Product Details:

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.

Features:

• All in one solution for background music and paging
• Six-zone paging system
• Built-in AM/FM tuner with presets
• MP3 player for USB device and SD card
• Optional Call Station and Wall Panel with local audio source and remote control

Product Details:

The PLENA all-in-one mixer amplifier is a versatile solution for public address, emergency announcements and back-ground-music (BGM)requirements. This high-performance device is easy to install and operate. Typical applications of PLENA all-in-one 360W mixer amplifier include use in supermarkets, restaurants, schools, retail chains, canteens, places of worship, gymnasiums, and so on, where BGM provides the right atmosphere, at the same time announcements, can be made clearly and with ease.

Features:

• Two Channel Output
• 6 Microphones Inputs and Independent level Control
• USB drive and SD card for MP3 playback
• Build-in FM tuner with preset memories
• 100V/Telephone input with priority and VOX

Product Details:

These Plena Economy mixer amplifiers are professional public address units with modern state‑of‑the‑art features. They are easy to use, taking the complexity away from the user and putting it where it belongs, inside the equipment. Providing a crisp call or clear music is as easy as turning on the radio. Offering the essentials of public address in an affordable package.

Features:

• 4 microphone/line inputs, plus music source input
• Announcement only output, 3‑wire volume overrides
• The wide range of output power (60, 120 and 240Watts)
• 2‑tone chime

Product Details:

The Plena Economy mixer amplifiers are professional public address units with modern state of the art features. They are easy to use, taking the complexity away from the user and putting it where it belongs, inside the equipment. Providing a crisp call or clear music is as easy as turning on a radio. Offering the essentials of public address in an affordable package.

Features:

• 4 microphone/line inputs, plus music source input
• 3 models in a wide range of output power (60, 120and 240 Watts)
• 2-tone chime Insert feature to use as a pre/power amplifier
• VU meter to indicate output level; Limiter circuit for protection

Product Details:

The Plena Economy mixer amplifiers are professional public address units with modern state of the art features. They are easy to use, taking the complexity away from the user and putting it where it belongs, inside the equipment. Providing a crisp call or clear music is as easy as turning on a radio. Offering the essentials of public address in an affordable package.

Features:

• 4 microphone/line inputs, plus music source input
• 3 models in a wide range of output power (60, 120and 240 Watts)
• 2 tone chime
• Insert feature to use as a pre/power amplifier
• VU meter to indicate output level; Limiter circuit for protection

Product Details:

The LBD 193x amplifiers are powerful power amplifier in a 2U high 19” case (3U housing for LBD 1938) for rack mounting or tabletop use. The Bosch Plena power amplifier series with its varied amplification range fulfils a wide variety of public address requirements at a surprisingly low cost

Features:

• A wide range of power amplifier from 120W, 240W and 480W
• Multiple outputs - 70 V / 100 V and 8/4 ohm
• Temperature controlled forced front to back ventilation, directly stackable
• Mains, battery back-up, and pilot tone supervision
• Dual inputs with priority switching (LBD1938)

Product Details:

The LBD 193x amplifiers are powerful power amplifier in a 2U high 19” case (3U housing for LBD 1938) for rack mounting or tabletop use. The Bosch Plena power amplifier series with its varied amplification range fulfils a wide variety of public address requirements at a surprisingly low cost.

Features:

• Multiple outputs - 70 V / 100 V and 8/4 ohm
• Temperature controlled forced front to back ventilation, directly stackable
• Mains, battery back-up, and pilot tone supervision
• Dual inputs with priority switching (LBD1938)

Product Details:

The LBD-1938 is a powerful power amplifier in a 3U high 19”case for rack mounting or tabletop use. The Bosch Plena power amplifier series with its varied amplification range fulfils a wide variety of public address requirements at a surprisingly low cost.

Features:

• Multiple outputs - 70 V / 100 V and 8/4 ohm
• Temperature controlled forced front to back ventilation, directly stackable
• Mains, battery back-up, and pilot tone supervision
• Dual inputs with priority switching

Product Details:

The PLENA all-in-one mixer amplifier is a versatile solution for public address, emergency announcements and background music (BGM) requirements. This high-performance device is easy to install and operate.

Typical applications of PLENA all-in-one 180W mixer amplifier include use in supermarkets, restaurants, schools, retail chains, canteens, places of worship, gymnasiums etc where BGM provides the right atmosphere, at the same time announcements, can be made clearly and with ease.

Features:

• Two Zone output
• 4 microphone inputs with independent level control
• USB drive and SD card for MP3 playback
• Built-in FM tuner with preset memories
• 100V/Telephone input with priority and VOX

 

System overview:

The All-in-one amplifier is a mixer amplifier with an inbuilt music source. All in one unit can provide hours of uninterrupted music from USB or SD flash memory. The unit also has a built-in 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. The unit is supplied with an IR remote control for controlling the music source. The unit can be rack mounted by using the brackets that can be procured separately.

 

Functions:

Microphone and line inputs:

The mixer amplifier has four microphone inputs. Separate level controls are available for all the inputs. For all the inputs (except Aux input), phantom power can be switched on to provide power to condenser microphones. Inputs 1 and 2 can be configured
between line and mic level sensitivity. Inputs 3 and 4 are for connecting microphone only. Microphone inputs 1 and 2 have a combo connector so that both XLR and 6.3mm TRS connectors can be used for connecting microphones.Other microphone inputs are standard XLR connector.

 

Music source and music input:

The unit has one music input and an internal music source. There is a source select button on the front panel to select between auxiliary input and 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, WMA files and has repeat and random play modes. The following formats are supported: MP3, WMA files with bit-rates from 32 kbit/s.

 

FM Tuner:

The digitally controlled FM tuner uses a frequency synthesizer for accurate capture of radio stations and has five presets to store favourite radio stations.

 

Integration:

A 100V emergency/telephone input with VOX activation is provided for easy integration with another PA system or a telephone paging system. It has its own preset volume control and overrides all other inputs, including music input and mic/line inputs. The unit also has a line output to add booster amplifiers for larger systems with more output power. The unit has a 24VDC input for backup power supply. The unit has an RJ45 connector for integrating with the PLE-2CS Call station.

 

Outputs:

An LED VU meter monitors the master output. A headphone socket, below the VU meter, provides the mixer output. The power is directly available on 100V constant voltage connections and on a low impedance connection for a 4-ohm load. The line out provides the line level mixer output through the XLR connector.

 

Rear Panel:

• Four Inputs and one Aux input
• Dip switches
• Line output
• Telephone/Emergency input with volume control
• RJ45 input for connecting PLE-2CS
• 100V and 4 Ohm loudspeaker outputs
• 24 VDC Backup input