Details

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Product Details:

• The Infrared Wireless Microphone System using this IR-820SP is a PA system designed for use in the school classrooms assuming that their size is about 10 m × 10 m (30 ft × 30 ft).
• The IR-820SP is a ceiling-mounted powered speaker with the infrared receiver and offers a wide frequency range of high-quality sound output.
• It features a digital amplifier for the amplification section, and a full-range speaker for the speaker section.
• Use of the supplied mounting hardware and optional HY-TB1 Tile Bar Bridge permits it to be versatilely mounted to match a wide range of applications and installation locations.
• This speaker is combined with an infrared wireless microphone and the IR-802T Infrared Wireless Tuner to make up the infrared wireless microphone system.
• The infrared microphone system eliminates problems with interference or eavesdropping, allowing simultaneous use in adjacent school classrooms.

Specification

 

Power Source	24 V DC (supplied from IR-802T)
Power Consumption	4.4 W (based on UL standards)
Rated Output	20 W
Frequency Response	100 Hz - 20 kHz (-10 dB) at installation in 1/2 free sound field (Measured by installing the unit in the center of a ceiling.)
Amplification System	Class D
Distortion	5 % or less (rated output)
Speaker Component	12 cm (4.72'') cone-type

Infrared Wireless Receiver

Wavelength	870 nm
Carrier Frequency	Teacher (Channel A): 3.100 MHz Student (Channel B): 3.350 MHz
Reception Angle	360゜ (Horizontal)

 

Connection Terminal	RJ-45
LED Indicator	Power (green) × 1
Mounting Hole	φ300 mm (φ11.81'')
Usage Cable	CAT-5 UTP
Operating Temperature	-10 ℃ to +50 ℃ (14 ゜F to 122 ゜F)
Operating Humidity	90 %RH or less (no condensation)
Finish	Enclosure: Steel plate Baffle: Fire-resistant ABS resin (resin material grade: UL94V-0) Punched net: Steel plate Filter section: Polycarbonate
Dimensions	φ320 × 205 (D) mm (φ12.6 × 8.07)
Weight	3.4 kg (7.5 lb)
Accessory	Safety wire …1 Tile bar bridge: HY-TB1