820iR - Professional Quality Classroom Audio - Classroom Audio

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820iR - Professional Quality Classroom Audio

Product Highlights

2 stereo audio inputs with volume control
Speaker choices to fit any classroom
Audio output for assistive listening or recording

The 820iR delivers the essential features necessary to amplify a standard classroom environment. This system is compact and affordable. Choose from a wide range of Lightspeed speaker systems to ensure clear speech intelligibility for the entire classroom.

Product Resources

Watch the demonstration video	Download Brochure
View product tutorial	Download Manual
Download summary of the pedagogical benefits and anecdotal evidence

Features

Infrared wireless technology
Two microphone channels
Multiple microphone options
Multiple speaker choices deliver optimal sound in all rooms
Two speaker outputs to power up to 4 speakers
Two (2) stereo audio inputs with volume control(Computer, DVD/VCR, MP3, etc.)
One (1) auxiliary output with volume (sends audio to personal FM system & recorder)
8-band graphic equalizer
Quick-install infrared sensor
Ability to power up to 3 IR sensors for large or odd-shaped rooms
Alternate frequency groups available - 4 compatible channels
5-year warranty (1-year on batteries)

Microphone Options

The REDMIKE® is a pendant-style wireless microphone that can be worn comfortably around the teacher’s neck or used as hand-held for student use. The 820iR is equipped with two independent channels allowing the use of two microphones simultaneously. Each system includes a single REDMIKE classroom microphone with an option to upgrade to the new REDMIKE®VC microphone with volume control.

	REDMIKE®
	REDMIKE®VC
	LT-71 LightMic The LT-71 LightMic™ microphone/transmitter is light-weight and durable. Extra microphones allow students to utilize the benefits of classroom audio and be heard among their classmates.
	HM70 Handheld IR hand microphone to complement the LT-71. Perfect for students to pass around the classroom.HM70 Handheld IR hand microphone to complement the LT-71. Perfect for students to pass around the classroom.

Speaker Options

Single Speaker Solutions
Lightspeed's flat-panel speakers produce a very wide dispersion of sound, resulting in excellent distribution throughout the entire classroom from a single speaker. Installation is very simple and speech intelligibility is superb.


MCQ: Multimedia Ceiling Speaker	CNXQ: Flat-panel Ceiling Speaker	NXQ: Flat-panel Wall Speaker

Traditional Speaker Solutions

For larger or multimedia classroom applications, we offer a line of traditional speakers, which places multiple speakers around the classroom. These speaker solutions cover classrooms up to 150 square metres and will deliver a full range of sound.


DRQ: Ceiling Speaker	WMQ: Mini-wall Speaker

Product Specifications

Power Output (System Total)	12 W per Channel x2 (24 W Total)
Frequency Response	40 Hz – 20 kHz
Power Supply (UL Listed)	24V / 2.5A
Signal-to-Noise Ratio	> 73dB
Image and Spurious Rejection	> 70dB
Total Harmonic Distortion	< 1% @ 10 W
Equalizer	8-band Graphic EQ
Standard Sub-carrier Frequencies (iR)	2.06/2.54 MHz
Alternate Sub-carrier Frequencies (iR)	3.20/3.70 MHz
Dimensions (W x D x H)	24.5 x 22 x 4.5cm
Weight	1.77 kg
Certifications	CE, WEEE, RoHS
Inputs
Audio Inputs w/ Volume Control	(2) Stereo RCA Inputs
iR Wireless Microphone Input	No
Sensor Inputs (F-Connector)	1 Input (Capability to power up to 3)
Power	24V/2.5A DC
PageFirst w/ sensitivity adjustment	No
Outputs
ALD/Aux Audio Outputs w/ volume control	(1) 3.5mm on Front Panel
Speaker Outputs	(2) Binding Post Connectors
Speaker On/Off Switches	No
Speaker Volume Controls	No
Transmitter Charging	(2) on Back Panel
Infrared Sensor
Type	External
Power	From Receiver/Amplifier
Reception Coverage	Rooms up to 150 m2 (ceilings 3.66 m or less)
Cable	15.24 m, 75 ohm plenum-rated coax
Mounting	Ceiling Clip/Wall Bracket
Receiving Diodes	32

Environmentally Friendly

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