TeachLogic IRT-55 Sapphire Pendant Microphone Infrared Transmitter with Lithium-Ion Battery

Home /
TeachLogic IRT-55 Sapphire Pendant Microphone Infrared Transmitter with Lithium-Ion Battery (Discontinued)

Description

Details

TeachLogic's Sapphire Transmitter with Microphone and Lithium-Ion Battery is a lightweight classroom microphone and comes with a rechargeable lithium-ion battery. It can be worn with a lanyard or clipped directly to your neckline collar. It has high level output, reliable connectivity and great definition. With a built-in breath filter, the Sapphire can function as a pass-around hand microphone. With a tap on the power button, the microphone mutes for private conversation-tap again to restore to normal operation. The auxiliary input allows wireless playback of your iPod. A three-position slide switch provides selection of low, medium, or high microphone volume levels.

Features

Features

Elegant Design
Only 1.4 oz. including battery
Long life “Lithium ion” battery
Rechargeable via micro USB cable
Battery level indicator - Back light under power switch
Momentary mute button, Backlight blinks in mute mode
Push “on/off” power
Channel A or B selectable
Three level mic volume switch (low, medium, high)
Auxiliary input (3.5 mm)
Low profile clip for mounting
Wear with a lanyard or directly to neckline collar

Specification

Transmitter	Carrier: Infrared
Transmission Frequency	2.08 MHz and 2.54 MHz
Channel	Channel A or B, Field Switchable
Transmitting Diodes	6
Modulation	FM Wide-Band
Pilot Tone	Frequency: 32.768 KHz
Peak Deviation	± 25KHz
Operating Range	60' (18.28 m) line of sight, 1,500 ft² (139.35 m²)
Indicator Lights	Blue: full Purple: medium Red: low Flashing red: very low battery
Battery	3.7V, 620mAh Lithium-ion
Battery Life	Approximately 8-9 Hours
External Power	Charger: DC +5V, Micro USB Connector
Transmission Angle	180° Conical
User Controls	Power switch (push): on/off Mute switch (push): on/off Microphone switch (3 position): + 6db, normal, - 3db Auxiliary volume/gain: increase, decrease Channel select: A or B, in battery compartment
Auxiliary	External Input: 0.13" (3.5 mm) stereo line level
Dimensions (H x W x D)	3" (76.2 mm) x 1.25" (31.75 mm) x 0.75" (19.05 mm)
Weight	1.4 oz (39.68 g)

Documents