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Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
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Infrared FM
FM Wide-band
Channel A: 2.08 MHz
Channel B: 2.54 MHz
850 nm
Channel A: 32.768 kHz
50 us
40 Hz, -18 kHz, +/- 3 dB
> 65 dB
< 1% at 1 kHz
+/- 10 kHz
+/- 25 kHz
External: 2 x RCA
Coverage: 1,600 sq. ft
4x Aux
Line Level
1x Dual RCA
3x 3.5mm
1x Anti-hum
Lesson capture, 3.5mm with gain control, front panel ALS, 3.5mm with gain control, rear panel
Input:100V, 70V, 25V, 3-pin Phoenix
Level control
Contact closure N/O, N/C
5 to 24 VAC/VDC
5-Band +/-12 dB
4 x Amplifiers, 25 W each (RMS) 100 W total (RMS)
4Ohms
2x Phoenix connectors
5 VDC, USB
19 VDC / 6.3 A
CE, CSA, and UL listed
8.5 x 1.7 x 7.5" / 215.90 x 43.18 x 190.50mm
2.20lbs / 1kg
The IRS-8150 Spectrum III Infrared Wireless Classroom Microphone System from TeachLogic is a digital hybrid sound-field system for use in the classroom. This system comprises the IMA-820 Spectrum III Amplifier/Receiver Base Station, IRT-60 Sapphire Microphone/Transmitter with lithium-ion battery for voice transmission, ICS-55 Ceiling Sensor for IR connectivity throughout the room, and four SP-628L Lay-In Ceiling Speakers