Features - AV-iQ
TEK-PA2B
20 Watt Mini Amplifier with RS-232
Data Sheet
Installation Guide
V112613
TEKVOX now offers a small affordable multifunction room amplifier with many features including RS-232 control. The
TEK-PA2B has all of the features you need without breaking your budget. This compact-size digital amplifier (Class-D)
has 3 inputs (2 selectable line inputs and 1 balanced MIC with selectable phantom power). It is integrated with powerful
features including speaker bridging, stereo or mono selection, EQ control, microphone mixer and simple to program
RS-232 control.
This simple to use amplifier is great for classroom and training room amplification including speech reinforcement. With
separate volume controls for the line inputs and the Mic input, controlling the room level without feedback is easy.
Features

2 x 20 Watts @ 4 Ohm or Bridged to 40 Watts @ 8 Ohm

Stereo or Mono selection

Two stereo audio inputs selectable by button, IR* remote & RS232

Volume/Bass/Treble controllable by buttons IR* remote & RS232

Balance microphone input with selectable 48V Phantom power, Mic or line settings

Separate volume control for line level sources and microphone

Loop output after volume control to connect other TEK-PA2Bs or another amplifier

Auto noise gate to reduce noise on Mic input

Extensive RS-232 control using simple ASCII commands
*IR remote is optional.
Contact us for additional information or to find an Authorized TEKVOX Dealer in your area.
11831 Radium Street, San Antonio, TX 78216 | 210.348.6565 o | 713.490.3135 f | [email protected] | www.TEKVOX.com
Application
In this application there are two different selectable music inputs and a microphone input all controlled by the
TekTouchPad. A second TEK-PA2B is added to connect a second group of speakers. Since the Loop output is after the
volume control, adding another amplifier is easy. Any change of the volume level will also control the level of the second
amplifier.
Device Specifications
TEK-PA2B (78040)
Model
2 stereo audio - unbalanced,
1 MIC - balanced
Line 1 - 2 RCAs
Line 2 - 1 3.5mm jack
MIC 1 captive screw connector (3P,3.81mm)
Input
Input Connector
Input Impedance
>10KΩ
Frequency Response
20Hz ~ 20KHz
SNR
80dB at maximum output
Stereo Channel Separation
>[email protected] to 20KHz
Mic CMRR
>[email protected]~20KHz
Voltage Gain
32dB
Output
Output Connector
1 amplifier,
1 stereo audio (Loop)
Loop - 1 3.5mm jack
Amp - 1 captive screw connector (4P, 5.08mm)
Output Impedance
50Ω/stereo, 4~8Ω/Amplifier
THD + Noise
1%@1KHz, 0.3%@20KHz at nominal level
Power Output
2x20 Watts (4 Ohms)
40 Watts Bridged (8 Ohms)
Temperature
-5 to +35 C, -41 to +95 F
RS232 Control Connector
3-hole phoenix connector
Power
24V 2.5A
Size
W: 4.8” / H: 1.5” / D:.3.4”
Weight
0.64 lbs.
Specifications are subject to change without notice.
Contact us for additional information or to find an Authorized TEKVOX Dealer in your area.
11831 Radium Street, San Antonio, TX 78216 | 210.348.6565 o | 713.490.3135 f | [email protected] | www.TEKVOX.com
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