A portable IR Amplification System is made up of a wireless microphone for the teacher and a table-top speaker that combines IR sensor, receiver, amplifier, and speaker into one compact unit. This system is perfect for kindergarten classrooms and small group activities.




LightMic™ IR Wireless Microphone

Hands-free for the teacher, hand-held for the students.



Product Features

The 705iR portable classroom amplification system is ideal for situations where it’s necessary to move a system from class to class, and where there may be installation considerations.

• Infrared wireless technology
• Two microphone channels
• LT-71 LightMic™ wireless microphone/transmitter
•  Auxiliary input (TV, CD/DVD, PC, etc.)
• Auxiliary output (sends audio to personal FM system & recorder)
• Bass and treble controls
• Built-in transmitter charging jacks
• Integrated infrared sensor
• Reflected IR light ensures constant reception
• Multiple microphone options
• Carrying bag
• 5-year warranty (1-year on batteries)

Warranty: 5-Years on all major components

LightSPEED 800-series Classroom Amplification Systems are guaranteed against malfunction due to defects in materials and workmanship for a period of FIVE (5) YEARS, beginning at the date of the purchase invoice. Batteries are guaranteed for one year. The product will be repaired or replaced at LightSPEED's option during the warranty period. Warranty does not extend to finish appearance, or malfunctions due to abuse or misuse. Our Service Department (800.732.8999, M-F 5:00am-5:00pm PST) will handle all your troubleshooting and repair/replacement needs.

Product Specifications

Overall System

• Standard Carrier Frequencies (IR): 2.06/2.54 MHz
• Frequency Stability: ± 3%
• Maximum Deviation: ± 50 Hz
• Dynamic Range: > 70 dB
• Signal-to-Noise Ratio: > 70 dB
• Frequency Response: 100 Hz - 10 kHz
• Equalization: Bass and Treble Tone Controls

Receiver Specifications

• Receiver Type: Superheterodyne
• Receiver Sensitivity: 6 µV for 60 dB S/N
• Image and Spurious Rejection: > 70 dB
• Reception Selectivity: 40 kHz
• Squelching Mute Level: Threshold 3.2 µV
• Sensor Inputs (F-Connector): Integrated into unit
• Sensor Short Indicator: No

Amplifier Specifications

• Power Output (System Total): 12 W Total
• Total Harmonic Distortion: < 1 % @ 10 W
• Speaker Load Impedance: 4 Ohms
• Power Supply (UL Listed): 16 V / 2.0 A
• Weight: 5 lbs.
• Dimensions (W x D x H): 5.75 x 4 x 13.25

Inputs

• Auxiliary Audio (w/ Volume Control): (1)3.5mm
• Infrared Sensor: Integrated into unit
• Power: 16 V / 2.0 A DC Power

Outputs

• Auxiliary Audio (w/ Level Control): (1) 3.5mm
• Speaker Outputs: Integrated into unit
• Transmitter Charging: (2) on Back Panel

LightMic™ Specifications

• Audio Distortion: <1%
• Built-in Microphone: Uni-directional Eletectret
• Battery Power (1-year warranty): 2 AA NiMH Rechargable
• Dimensions (W x D x H): 1.4" x 1" x 4.6"
• Weight (with batteries): 3.7 oz

Handheld Microphone/Transmitter

• Audio Distortion: <1%
• Microphone element type: Uni-directional, Dynamic
• Batter Power (1-year warranty): 2 AA NiMH Rechargable
• Weight (with batteries): 7.4 oz

Sensor

• Type: Integrated into unit
• Power: From Receiver/Amplifier
• Reception Coverage: 360 degrees
• Cable: None
• Mounting: N/A
• Diodes: 32