| Infrared Teacher Microphone | |
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| Microphone Element | Uni-directional Electret |
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| Controls | “PWR” , “MUTE”- Power/Mute: On/Off & Mute |
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| Controls | “SELECT” - Select: Own - Other – Line input for remote control |
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| Controls | Remote volume buttons (up/down) |
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| Internal Controls | Channel selector (1-4) and Function selector switch (1-2) |
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| External Connections | “AUDIO IN” - 3.5mm stereo jack - External audio auxiliary input |
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| External Connections | “AUDIO IN” - 3.5mm stereo jack - External audio auxiliary input |
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| External Connections | “MIC IN” - 3.5mm stereo jack - External lavaliere or headset microphone input |
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| External Connections | “3.3V = IN” - Charging connector |
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| External Indicators | “OWN”, “OTHER”, “LINE” LEDs |
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| IR Channel Frequencies | 2.3, 2.8, 3.2, 3.8 MHz |
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| Battery Type | 1 – AA, NiMH or Alkaline |
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| Battery Life | 8 Hours |
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| Battery Charge Time | Maximum 8 hours |
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| Battery Management | Internal microprocessor monitors battery condition |
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| Battery Management | prevents over-discharge, over-charging and charging of alkaline batteries |
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| Dimensions | 3.35 H x 1.97 W x 0.98 |
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| Weight | 0.18 lbs, (85g) |
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| Infrared Student Microphone | |
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| Microphone Element | Uni-directional Electret |
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| Controls | Power slide switch - On/Off |
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| Internal Controls | Channel selector (1 - 4) switch, 10 position rotary switch |
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| External Connections | “AUDIO IN” - 3.5mm stereo jack - External audio line level input |
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| External Indicators | “3.3V = IN” - Charging connector |
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| Battery power | Green – OK Yellow – caution, low battery Red – battery too low turning unit off |
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| Channel select error | flashing green indicates invalid ch“CHG” LED indicates status |
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| Charging | Charging – Red, continuously lit Charging complete – LED off Charging fault – LED blinking |
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| IR Channel Frequencies | Ch. 1 – 2.3 MHZ; Ch. 2 – 2.8 MHZ;Ch. 3 – 3.2 MHZ; Ch. 4 – 3.8 MHZ: |
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| Battery Type | 1 – AA, NiMH or Alkaline |
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| Battery Life | 8 Hours |
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| Battery Charge Time | Maximum 8 hours |
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| Battery Management | Internal microprocessor monitors battery condition andprevents |
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| Dimensions (H x W x D) | 8.15" (207.01 mm) x 1.61 (40.894 mm) x 1.45 (36.83 mm) |
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| Weight | 0.23 lbs, (105g) |
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| Dome Sensor | |
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| Optical Sensors | 6 large aperture, solid-state diodes, with integral lens |
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| Controls | Switch to select IR channels 1-2 or 3-4 |
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| Connector | Single “F” connector for signal and power |
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| DC Power supply | Duplex power provided by receiver |
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| Dimensions (Dia x H) | 4.5" (114.3 mm) x 1.625" (41.3 mm) |
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| Ceiling Speaker (CS-09) | |
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| Frequency Range | (-10 dB): 63 Hz to 20 kHz |
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| Frequency Response | ( ± 3 dB): 80 Hz to 12 kHz |
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| Power Capacity (1 system) | 60 W continuous pink noise |
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| Sensitivity | 88 dB (1W, 1m) |
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| Nominal Impedance | 8 ohms |
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| Dimensions (Dia x D) | 10.8125″ (274.64 mm) x 16.5″ (65.1 mm) |
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| Net System Weight | 3 lbs (1.36 kg) |
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| Shipping Weight | 32 lbs (14.51 kg) |
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