Empowering Education Through Clear Communication

At TeachLogic, we're passionate about revolutionizing education through innovative audio solutions. That's why we're proud to introduce the Quantum II Classroom Audio Grant, dedicated to equipping 500 schools with state-of-the-art audio technology.

For Only
$

Experience the Power of Quantum II

Unlock a world of possibilities with the Quantum II powered speaker system. Designed to elevate the classroom experience, our innovative audio solution boasts an array of features:

Amplifier | Infrared Microphone Receiver | Audio Mixer

The Spectrum™ III is our most powerful Sound Field System for use in the classroom. It supports not only the features that every classroom needs to control multimedia audio, but also the integrations to ensure that all school communications are heard: pages, fire alarm, and security alert. When paired with wireless microphones, the Spectrum™ III ensures that crystal clear sound is delivered to every seat in the room.
4 AUDIO INPUTS
2 MICS
RS-232
SECURITY ALERT
FIRE ALARM
PAGE MUTE

We'll ship your school: Quantum II speaker, wireless Pendant mic, plug-in mic charger.

1 Grant per school

Additional systems can be purchased at $449 each w/o a limit

free shipping within the continental USA

System comes with 2-year warranty

Upgrade to a System with Drop-In Mic Charger for Only $139!

Upgrade your system for just $40 more and enjoy the convenience of a drop-in charger. Say goodbye to cable clutter and charging hassles – simply drop your microphone in and power up effortlessly. Upgrade now for a smoother teacher experience!

Spectrum™ III Receiver Amplifier

Amplifier | Infrared Microphone Receiver | Audio Mixer

The Spectrum™ III is our most powerful Sound Field System for use in the classroom. It supports not only the features that every classroom needs to control multimedia audio, but also the integrations to ensure that all school communications are heard: pages, fire alarm, and security alert. When paired with wireless microphones, the Spectrum™ III ensures that crystal clear sound is delivered to every seat in the room.


4 AUDIO INPUTS

2 MICS

RS-232

SECURITY ALERT

FIRE ALARM

PAGE MUTE

Additional information

Weight 2.4 lbs
Dimensions 7.5 × 8.5 × 1.75 in
Receiver Input

Infrared FM

Modulation

FM wide-band

Reception Frequencies

Ch. A: 2.08 MHz, Ch. B: 2.54 MHz

Infrared Wavelength

850 nm

Tone Signal

Ch. A: 32.768 kHz

De-emphasis

50 μs

Frequency Response

40 Hz – 18 kHz, ± 3 dB

S/N Ratio

›65 dB

Total Harmonic Distortion

1 % @ 1 kHz

Nominal Deviation

± 10 kHz

Maximum Deviation

± 25 kHz

External Sensor Input

2, RCA

Connectivity Coverage

1,600 sq ft

Aux Inputs

1 dual RCA, 3 x 3.5 mm aux line level (1 anti-hum)

Line Output

Lesson Capture: 3.5 mm with gain control – front panelALS: 3.5 mm with gain control – rear panel

Page Input

2-pin Phoenix; 3 settings: 100 V, 70 V, 25 V

Sensitivity

Level control

Security Alert

Contact closure (COM, N/O, N/C)

Fire Alarm

Contact closure (mutes audio)

Equalization

5-band, ±12 dB

Output Power

4 amplifiers @ 25 W (RMS), 100 W total

Output Impedance

4 Ω

Speaker Connection

4-pin Phoenix connectors

Charger Output

5 V DC, USB

Power Supply

19 V DC / 6.3 A; CE, CSA and UL listed