Pro Digital System with Ceiling Speakers and Ceiling Sensor


Pro Digital System with Ceiling Speakers and Ceiling Sensor

Product Number: 
Get a Quote

* Manufacturer’s suggested retail price. Actual dealer price will vary.
+ Description and Overview 

Great-sounding full coverage in this four-ceiling-speaker package.


  • One-Touch operation: Teachers need only turn on the mic to start teaching. The receiver automatically wakes up from its energy-saving sleep mode and goes to sleep when the mic is turned off.
  • Talk without dropout: Built-in sensor with advanced optics ensure consistent signal pick-up
  • Feedback suppression: The Adapto light reassures you it is automatically suppressing feedback – before it starts
  • Two channels for more dynamic teaching: Encourage student participation with a pass-around mic; or amplify two teachers at the same time
  • Easy audio control: Quickly and easily adjust the volume level of streaming audio and video content, CDs and MP3 files
  • Optimize speech clarity: OptiVoice, FrontRow’s patented technology, is specially designed to emphasize critical speech sounds, so kids comprehend even more
  • Easy recharging: Up to two transmitters can be charged directly from the receiver
  • External sensor ports: Get great signal pickup in almost any classroom with convenient ceilings or wall sensors
  • Simple speaker hook-up: Color-coded stereo push terminals make speaker connection quick and easy
  • Auxiliary output and volume control: Connect to computer to record all audio content for podcasting, or connect personal FM systems for the hearing impaired
  • Complete tech integration: Easily connect a computer or other technology to integrate true stereo audio into lessons

Technical Specifications

940R Receiver/Amplifier ITM-02L Transmitter / Microphone Ceiling Sensor Distributed Ceiling Speaker
Transmission type: Infrared Transmission type: Infrared Operating frequency: 2.3MHz & 2.8MHz Average sensitivity: 86dB-SPL 1W/1M
Receiving frequency: 2.3MHz & 2.8MHz Transmitting frequency: 2.1MHz, 2.3MHz
2.4MHz, 2.8MHz, 3.3MHz, 3.6MHz programmable
Operating range: 18.5m/60ft line-of-sight (typical) Speaker type: coaxial: 10cm/6.5in woofer, 2.5cm/1in tweeter
Frequency response: 50Hz to 20kHz Frequency response: 70Hz – 8kHz Signal/Power interface: RCA-female jack, 8" lead Impedance: 8Ω nominal
Signal-to-noise: >65dB (system) Microphone: uni-directional cardioid Number of IR photodiodes: 6 Continuous power: 30W
THD: <1% @ 1kHz into 8Ω Battery life: 7 hours (typical) Power indicator LED: Green Peak power: 45W
Maximum audio output power: 2 x 10w (8Ω), 2 x 20w (4Ω) Battery type: Li-Ion, 3.7V, 850mAH Reception area: 139m2/1500ft2 (typical with receiver sensors) Frequency response: 60Hz to 20kHz
Power supply: 19VDC at 3.16A Operating range: 30.4m/100ft, line of sight (typical) Dimensions (Dia x h): 13.5 x 3.3 cm / 5.1 x 1.3 in Dimensions (Dia x d): 21.7 x 7 cm / 8.5 x 2.75 in
Size (wxhxd): 21.5 x 4.75 x 19cm/8.5 x 1.75 x 7.5in Size (wxhxd): 7.4 x 6.6 x 1.3cm/2.9 x 2.6 x 0.5in Weight: 224g/7.9oz (with bracket) Weight: 1.1kg/2.5lbs
Weight: .94kg/2.11lbs Weight: 73.7g/2.6oz (with battery and lanyard) Mounting: Drop ceiling acoustic tile or sheetrock ceiling Mounting: Metal tile bridge, steel back enclosure, built for Plenum spaces
Operating range: 18.5m/60ft line-of-sight (typical)   Sensor wire: 15.25m/50ft RG59/u coaxial cable CL2P double shielded, UL listed Plenum rated jacket available  
Reception area: 139m2/1500ft2 (typical) with ceiling sensor      
940R Receiver/Amplifier ITM-02L Transmitter / Microphone    
Input power jack 3.5mm aux input    
1.3mm mic charge jack Charge/programming jack    
3 RCA jacks for external sensor connection      
4 quick-connect speaker terminals      
RCA aux out jack      
2 RCA stereo aux in jacks (with stereo sound output)      
User Controls
940R Receiver/Amplifier ITM-02L Transmitter / Microphone    
Power Wake/mute/voice command button    
Microphone A volume Channel select    
Microphone B volume      
Two auxiliary audio volume      



Installer Guides Pro Digital Installer Guide    
User Guides Pro Digital User Guide    
  Pro Digital Training Vidéo-Formation: FrontRow Pro Digital  
Technical Specifications Pro Digital Specifications    
Warranty Warranty Info (.pdf)    


+ Product Line 

Pro Digital

Pro Digital™: Digital Voice Clarity

The Pro Digital was designed to disappear into the room. A tiny package with crisp digital stereo sound, it works with your existing 8 Ohm speakers …MORE

Floating Contact link2