A professional-grade active column speaker system featuring a 30W Class-D amplifier and Sapphire infrared microphone kit with FM wideband modulation for clear wireless audio transmission.
The TeachLogic Quantum II Active Column Speaker paired with the Sapphire Infrared Microphone Kit delivers reliable wireless audio performance suitable for classrooms, conferences, and workshops. It operates using FM wideband modulation with reception frequencies on Channel A (2.08 MHz) and Channel B (2.54 MHz), utilizing an 850 nm infrared wavelength. The system features a 30-watt RMS Class-D amplifier, tone control equalization with ±6 dB adjustment, and a frequency response range of 50 Hz to 15 kHz with ±3 dB accuracy. The infrared coverage extends up to 60 feet (18.2 meters) line of sight. Inputs include infrared FM from the microphone (not included), two RCA sensor inputs, and a front-panel 3.5 mm AUX input with gain control. Outputs include a 3.5 mm line output with gain control and a two-terminal Phoenix connector for external speakers rated at 15 W / 4 Ω. The unit is powered by a 15 VDC, 2.3 A power supply that meets CE, CSA, and UL standards. Compact and lightweight, the speaker measures 6.25 x 14 x 4.75 inches and weighs 4.2 pounds, making it suitable for portable or installed sound reinforcement applications.
- 30 W RMS Class-D amplifier for clear, powerful sound
- Infrared FM input with FM wideband modulation
- Dual reception frequencies: Channel A (2.08 MHz) and Channel B (2.54 MHz)
- Infrared coverage up to 60 feet (18.2 meters) line of sight
- Frequency response from 50 Hz to 15 kHz with ±3 dB tolerance
- Tone control equalization with ±6 dB adjustment
- Front panel 3.5 mm AUX input and line output with gain control
- Two RCA sensor inputs and external speaker output via Phoenix connector
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