DETEL 705Ir Portable Infrared Audio System
Designed for smaller classrooms, the 705iR puts infrared audio into a compact portable package. The system is lightweight and sets up in seconds, delivering clear sound to every student. Specifications: Standard Carrier Frequencies:(IR) 2.06/2.54 MHz Power Output: 12 W RMS Total Harmonic Distortion(THD): <1% @ 10 W Signal-to-Noise Ratio: >70 dB Amplifier Frequency Response :100 Hz - 10 kHz Dimensions (W x D x H): 13.25” x 5.75” x 4” Power Output: (System Total) 12 W Total Power Supply (UL Listed): 16V / 2.0A Features: Microphone — small, lightweight, easy-to-use microphone Compact all-in-one design Battery or AC powered Carry case Optional: Second Microphone
	$1107

DETEL 820iR Professional Quality Classroom Audio with MCQ Ceiling Speaker
The 820iR delivers the essential features necessary to amplify a standard classroom environment. This system is compact and affordable. Choose from a wide range of Lightspeed speaker systems to ensure clear speech intelligibility for the entire classroom. Specifications: Power Output (System Total): 12 W per Channel x2(24 W Total) Frequency Response: 40 Hz – 20 kHz Power Supply (UL Listed): 24V / 2.5A Dimensions (W x D x H): 9.5 x 8.5 x 1.75 or 24.5 x 22 x 4.5cm Weight: 3.9 lbs or 1.77 kg Features: Receiver/amplifier with two audio inputs Infrared sensor plenum-rated sensor cable One classroom microphone Optional second microphone Rechargeable batteries and cradle charger Speaker(s) and plenum-rated speaker wire
	$1346.85

DETEL 855 Classroom Audio System with MCQ Ceiling Speaker
The 855 delivers 21st century audio quality to the classroom. It maximizes your investment in technology and strengthens the connection between teachers and students through clarity and even distribution of sound for all audio in the classroom. Specifications: Power Output (System Total): 12 W per Channel x2(24 W Total) Frequency Response: 60 Hz – 20 kHz Power Supply (UL Listed): 24V / 2.5A 2.2 Dimensions (W x D x H):8.6 " x 6.8 " x 2.2 " Weight: 2.75 lbs or 1.25 kg Features: Audio amplifier with four audio inputs Infrared sensor/receiver Plenum-rated Cat 5 sensor cable One classroom microphone with optional second microphone Rechargeable batteries and cradle charger Speaker(s)and plenum-rated speaker wire
	$1777.35

DETEL All-in-One Audio System
The All-in-One Audio System with Mic delivers clear audio, excellent sound distribution and high speech intelligibility. This affordable, revolutionary system allows schools to eliminate installation, minimizing cost. Features: Infrared wireless technology Two microphone channels Multiple microphone options No installation required Flat-panel speaker technology for excellent distribution of sound Table-top or wall-mount 8-band graphic equalizer Integrated infrared sensors Reflected IR light ensures constant reception Specifications: Power Output (System Total) 20 W Total Frequency Response 120 Hz - 13kHz
	$1162.35