850ir, 880ir, Teacher-friendly design – LightSpeed Technologies RedCat User Manual
Page 6: Specifications, Features, Pagefirst, Technology, Multimedia integration, Advanced features, Environmentally friendly

850iR
Teacher-friendly Design
The 850iR is designed to work in concert with existing multimedia sources while maintaining straightforward, easy operation
for the teacher. The back panel features a variety of inputs, outputs and fine-tuning controls for easy integration.
Specifications
Standard Carrier Frequencies (IR) 2.06/2.54 MHz
Power Output
12 W/Channel (48 W Total)
Total Harmonic Distortion (THD)
<1% @ 10 W
Signal-to-Noise Ratio
>73 dB
Amplifier Frequency Response
40 Hz - 20 kHz
Audio Inputs (with volume controls) Three (3) Inputs
(Stereo RCA x 2;
Stereo 3.5 mm x 1)
ALD Output (with volume control) Two (2) 3.5 mm
Dimensions (W x D x H)
17.3” x 8.5” x 1.75”
Features
• REDMIKE — small, lightweight,
easy-to-use microphone
• 3 stereo audio inputs with volume control
• PageFirst technology — emergency page
priority (optional add-on)
• Speaker choices to fit any classroom
• 2 audio outputs for assistive listening
and recording
< REAR VIEW
PageFirst
™
Technology
In the event of any page or important message, PageFirst technology mutes the
classroom audio system so all students can hear the announcement.
880iR
Multimedia Integration
The 880iR is designed with advanced features that adapt to today’s changing classroom environment, and allow for future
multimedia expansion. Projectors, electronic whiteboards and computers all require a robust solution that will deliver clear, full
sound reproduction and in addition to the best speech intelligibility for teachers and students. Distributing the audio to every
child, regardless of where they are seated, improves the dynamic of interactive classrooms.
Specifications
Standard Carrier Frequencies (IR) 2.06/2.54 MHz
Power Output
12 W/Channel (72 W Total)
Total Harmonic Distortion (THD)
<1% @ 10 W
Signal-to-Noise Ratio
>73 dB
Amplifier Frequency Response
40 Hz - 20 kHz
Audio Inputs (with volume controls) Four (4) Inputs
(Stereo RCA x 3;
Stereo 3.5 mm x 1)
ALD Output (with volume control) Two (2) 3.5 mm
Dimensions (W x D x H)
17.3” x 8.5” x 1.75”
< REAR VIEW
Features
• REDMIKE — small, lightweight,
easy-to-use microphone
• 4 stereo audio inputs with volume control
• PageFirst technology — emergency page
priority (optional add-on)
• Teacher Voice Priority
• Speaker choices to fit any classroom
• Individual speaker on/off switches and
volume for zoning
• 2 audio outputs for assistive listening
and recording
Advanced Features
Teacher Voice Priority –
Teacher microphone overrides all audio sources
PageFirst
™
Technology –
Class never misses PA announcements
| Fall 2008/09 | ClaSSROOM aUDIO TECHNOlOGY
10
Environmentally Friendly
Highly efficient
design
Lead-free
construction
WEEE
Compliant
Environmentally Friendly
Highly efficient
design
Lead-free
construction
WEEE
Compliant