Public Address System - Plant Communication System

Plena Voice Alarm Controller

We are introducing ourselves as one of the most prominent organizations for offering Plena Voice Alarm Controller. This voice alarm controller is made by our reliable vendors with the help of leading technology & quality guaranteed components which give maximum satisfaction to our customers. We examine this voice alarm controller at various quality factors for dispatching smooth range. Also, our patrons can buy this voice alarm controller from us at competitive rates.


  • Included with rack building kit
  • Temperature resistance
  • Finely finished

Emergency active relayNO / COM / NC
Call active relayNO / COM / NC
Fault relayNO / COM / NC normally energized (failsafe)
General purpose relays (2x)NO / COM
Operating temperature+5°C to +55°C
range-25°C to +55°C
Storage temperature range<95%
Relative humidity<48 dB SPL @ 1m, at max speed temperature controlled 0 to max speed
Acoustic noise level of fan144 x 430 x 320 mm
Dimensions(19" wide, 3U high)
Weightapprox. 15 kg
Rack buildingRack mounting kit included

Plena Voice Alarm Call

Leveraging on our in-house designing unit, we trade, retail & supply a wide assortment of Plena Voice Alarm Call. Our offered voice alarm is demanded in commercial areas. The provided voice alarm is made by utilizing excellent in quality components at vendors’ end. What’s more, the whole assortment is precisely inspected by our vendors. Our customers can buy this voice alarm at reasonable rates in various stipulations.


  • Precision-designed
  • Accurate functioning
  • Durability

Power Supply
Voltage range24 VDC supplied by LBB 1990/00 (or 18 to
24 VDC or VAC external power supply)
Current consumption<30 mA (plus <15 mA per keypad)
Nominal sensitivity85 dB SPL (gain preset 0 dB)
Nominal output level700 mV
Input sound level (max)110 dB SPL
Gain preset+6 / 0 / -15 dB
Limiter threshold2 V
Compression ratio limiter1:20
Distortion<0.6% (maximum input)
Input noise level (equiv.)25 dB SPLA
Frequency response100 Hz to 16 kHz
Speech filter-3dB at 315 Hz, high-pass, 6 dB/oct
Output impedance200 ohm
ChimesAny wave file

Plena Voice Alarm Keypad

We are an eminent trader, retailer and supplier of high quality Plena Voice Alarm Keypad. This voice alarm keypad is made accessible in sundry stipulations for achieving the customer’s satisfactions. The given voice alarm keypad is made by our consistent vendors who use top quality components along with the market standards. Vastly consume in commercial sectors, this voice alarm keypad is inspected under the observation of quality experts.


  • Light weight
  • Long functioning life
  • Unmatched quality

Power Supply
Voltage range24 VDC supplied by LBB 1956/00
Current consumption<15 mA
Base dimensions40 x 100 x 235 mm (1.57 x 3.97 x 9.25 in)
WeightApprox. 1 kg
MountingBracket coupled with LBB 1956/00 or other LBB 1957/00
ColorCharcoal with silver

Plena Power Amplifier

Our clients can avail from us an assorted range of Plena Power Amplifier. This power amplifier is precisely integrated at vendors' end, utilizing the finest components and leading technology in the direction of professionals. The offered power amplifier is accredited in the industry for their fine performance. This power amplifier is examined by our quality inspectors for their specified features.


  • Excellent performance
  • Long life
  • Enhanced durability

Battery power supply
Voltage24 VDC +15% / -15%
Current max30 A
Output power (rms/maximum)480 W / 720 W
Power reduction on backup power-1 dB
Frequency response50 Hz to 20 kHz (+1/3 dB @ 10 dB ref. rated output)
Distortion<1% @ rated output power, 1 kHz
S/N (flat at max volume)>90 dB
Line inputs2 x
Connector3-pin XLR, balanced
Sensitivity1 V
Impedance20 kohm
CMRR>25 dB (50 Hz to 20 kHz)
Gain40 dB
100 V input
ConnectorScrew, unbalanced
Sensitivity100 V
Impedance330 kohm
Line loop-through output2 x
Connector3-pin XLR
Nominal level1 V
ImpedanceDirect connection to line input
Loudspeaker outputs3 x
ConnectorScrew, floating
Direct output100 V, 70 V, 8 ohm
Priority only (from input 1)100V or 70 V internally selectable
Music (non-priority) only100V or 70 V internally selectable

Horn Loudspeaker

We are considered as the eminent trader, retailer and supplier of an exclusive range of Horn Loudspeaker. This horn loudspeaker is made accessible in various stipulations to choose from. Provided horn loudspeaker is made by our consistent vendors who use top quality components along with the market standards. Vastly consume in commercial sectors, this horn loudspeaker is inspected under the observation of quality experts.


  • Flawlessly finished
  • Excellent sound quality
  • Long life

Other Details:

  • High efficiency drivers
  • Wide opening angle
  • Excellent speech reproduction
  • Easy to install

Acoustical performance Specified per Octave
250 Hz500 Hz1000 Hz2000 Hz4000 Hz8000 Hz
SPL1.180.1100. 8106.6105.5100.592.9
SPL Max92.1112.8118.6117.5112.5104.9
Q Factor1.
Efficiency (in %)0.17.628.822.47.01.2
H. Angle180180150553210
V. Angle18018013555306

Mixing Amplifier

With firm commitment to quality, we are manufacturing, supplying and exporting a comprehensive range of Mixing Amplifier. The range offered by us is manufactured using high quality material that is sourced from vendors of high repute after doing an extensive market research. Also, we customize the offered range as per clients' requirements.


  • 4 mic. level balanced inputs
  • Built-in speech filter for increased intelligibility
  • Priority and VOX operation
  • Telephone and emergency input with priority
  • Balanced phone jack / DIN input connections
  • Three stereo line input selection
  • Selectable 2-tone chime
  • Separate bass & treble control
  • Multiple outputs (4Ω, 8Ω, 70V, 100V)
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