
MITEK CORP. © 2014
(preliminary)
AA200PHD
200W Mixer Amplifier
AA200PHD
Features
• 200W Into 25V/70.7V and 4Ω Loads 
• Automated Diagnostic System Test (Push Here Diagnostic)
• Four Balanced Mic/Line/Tel Inputs w/ Phantom Power
• Three Unbalanced, Summing Line Level Inputs
• Input Assignable Zone 2 Output
• Remote Level Control
• Remote Input Select (RIS)
• Line Output
• Preamp In for External Processors
• Variable Mute Sensitivity Control for Input 1
• Contact Closure Mute Terminals 
Application
The Atlas Sound AA200PHD is the perfect choice for distributed 
business paging and background music (BGM) systems, small to 
medium speech privacy systems, and in applications where music on 
hold (MOH) plus paging is required.
General Description
The AA200PHD is a six input channel mixer amplifier designed for 
distributed business paging and background music (BGM) systems, 
medium to large speech privacy systems, and in applications where 
music on hold (MOH) plus paging is required.
With one microphone/line input and two stereo line inputs, the 
AA200PHD will accommodate a variety of input sources including paging 
microphones, media players, and digital music receivers. The AA200PHD 
includes a patent pending automatic system test, the Push Here 
Diagnostic (PHD). The PHD button is designed to check the connected 
speaker lines for wiring and impedance errors. This test can be activated 
once all speakers are connected and the circuit automatically verifies 
that the attached speakers' tap settings do not exceed the amplifier's 
rated power, no speakers are mistakenly tapped at 8Ω, and the speaker 
wire is free from shorts. The unit also incorporates a Remote Input 
Selection and Remote Level Control feature that allows the integrator to 
use a remote wall plate (Atlas Sound model WPD-RISRL) and allow the 
user to select the input and adjust the volume from that wall plate up to 
200 feet from the amplifier.
The AA200PHD provides 200-watts output power into 25V, 70.7V, or 
4Ω speaker systems. Rear panel DIP switch allows for creation of Zone 
2 output mix using any or all of inputs 1-4. Unit can also be set-up to 
mute Inputs 2 through 6 on signal from Input 1 for paging applications 
where other input sources need to be muted during a page. Inputs 1-4 
are either Mic or Line input selectable and Phantom Power is an option 
when using them as a microphone input.
©2014 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS004922 RevA 6/14
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 
TELEPHONE: (800) 876-3333 
FAX (800) 765-3435
AtlasSound.com
1/3

MITEK CORP. © 2014
(preliminary)
Specifications
Type   Mixer Amplifier
RoHS Compliant Yes
Safety Listings  ETL (UL 60065 Standard)
Electrical Specifications
Power Output   Max. Average Power @ 50Hz-15kHz with .5% THD, 
4Ω 200W RMS
Transformer  
Outputs  25V  200W RMS
  70.7V  200W RMS
 4Ω  200W RMS
Front Panel
Power Switch  Push Type
Indicators  Signal, Peak, Limit, Power
PHD Test Circuit Push Momentary
Level Controls  Master, Inputs 1 - 6
Rear Panel
Inputs   Mic / Line Balanced Qty 4, 3 Position 
  Auxiliary Unbalanced Qty 2, RCA 
  Auxiliary Unbalanced Qty 1, 3.5mm 
  Amp In: Unbalanced RCA 600Ω
Tone Controls  Bass  ±6dB @ 100Hz 
  Treble  ±6dB @ 10kHz
Mute  VOX Sensitivity: Pot Rotary, Range (–) 500uV +/-200uV  
   Remote Mute: Contact Closure, 2 Position Phoenix, 
Remote Level
Type  10V DCV Return
Connector  4 Position Phoenix 3.5mm Pitch
Control Port  Input 2
Control Port  Input 4, 5, 6 or DIP Switch Assigned Master
Supply Port  10VDC Send
Ground Port Ground
Remote Input Select (RIS)
Type  Ground Activated
Connector  4 Position Phoenix 3.5mm Pitch
Inputs Controlled 4, 5, 6
Control Switch Functions
Zone 2 Assign  Inputs 1, 2, 3, 4
Mute Receive  Inputs 1, 2, 3, 4, 5, 6
©2014 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS004922 RevA 6/14
PHX Type. 3.5mm Pitch
3.5mm Pitch
Phantom Power Inputs 1, 2, 3, 4
Mic/Line Select  Inputs 1, 2, 3, 4
Remote Level  Assigned Master or Inputs 4, 5, 6
RIS On/Off
Outputs
Main   Transformer Coupled, Balanced, 4Ω, 25V, and 70.7V. 
Zone 2   Unbalanced 600Ω / 10kΩ, Max 1.0V Out, Removable 
Pre Out  RCA, Unbalanced 150Ω 
Technical Data
Inputs  Total Qty 4
Frequency  
Response  50Hz - 15kHz +/- 3dB
Thd+N  0.5% or Less, at 1kHz, Rated Output
Input Sensitivity /  
Impedance  Input 1, 2, 3, 4 - Mic Mode 5mv, No Trim, 1200Ω
  Input 1, 2, 3, 4 - Line Mode 316mV (-10dBV) 1200Ω
  Input 4 - 3.5mm Summed, 3, 4 316mV (-10dBV) 10kΩ
  Input 4, 5, 6 - RCA Unbalanced Summed 316mV 
Signal To  
Noise Ratio  Mic >55dB
  Line >55dB
  Telephone >55dB
  Input 5, 6 >75dB
Phantom Power 24VDC
Power Requirements
AC Mains  120V 60Hz
AC Cord  2M, 18 Gauge, NEMA 5-20P
Idle Power  .07A, 6W, 39 BTU
Average Power  .28A, 30W, 101 BTU
Max Power  .86A, 89W, 303 BTU
Mechanical
Chassis   Steel 
Finish  Black Paint on Front and Top
Height  3.66" (93mm) 
Width  16.54" (420mm)
Depth  14.6" (422mm)
Class 2 Rated, Removable 4 Position PHX   
5.08mm Pitch, Accepts up to 12 - 24 Gauge Wire, 
12A Rating
2 Position PHX 3.50 Pitch, Accepts up to 18 - 26 
Gauge Wire, 8A Rating
(-10dBV) 10kΩ
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 
TELEPHONE: (800) 876-3333 
FAX (800) 765-3435
AtlasSound.com
2/3

MITEK CORP. © 2014
(preliminary)
Architect and Engineer Specifications
The mixer/amplifier shall control and mix up to six input signals and 
deliver an audio output of 200 Watts into 4Ω, 25V, and 70.7V. The 
amplifier output shall be transformer isolated with a frequency response 
50Hz – 15kHz (-3dB) with less than 0.5% THD at rated output. It shall 
be capable of operation at 120VAC 60Hz line. The mixer/amplifier shall 
be convection cooled. The amplifier shall have thermal and short circuit 
protection.
The mixer/amplifier shall have four switch-selectable MIC/TEL balanced 
inputs to accept either low impedance microphone or Tel/Line Level 
signals with -60/-10dBV sensitivity. The MIC/TEL input shall include a 
Phoenix (Euro Block) type connector. The MIC/TEL input impedance 
shall be 600Ω. On Input 1, the MIC/TEL input shall include an auto mute 
(VOX Mute) sensitivity control for Input 1. The MUTE SENSE control will 
allow threshold adjustment of mute activation. The mixer/amplifier shall 
also include an input with a summed stereo 3.5mm input and balanced 
Phoenix type connector. The mixer/amplifier shall include two stereo 
summing auxiliary inputs, unbalanced, -10dBv, with dual-RCA jacks. The 
auxiliary input impedance shall each be 10kΩ. The mixer/amplifier shall 
include one Zone 2 output, a transformer isolated 600Ω output with a 
maximum level of 1.0VRMS. The mixer/amplifier Zone 2 output shall 
be assignable from Input 1, 2, 3 or 4 via the rear panel dip switch. The 
Zone 2 output shall have one rear panel mounted rotary level control. 
The mixer/amplifier shall incorporate rear panel terminals via Phoenix 
connector for the REMOTE MUTE function, controlled by an external 
switch closure. A rear panel dip switch shall allow assignment of Input 
2, 3, 4, 5, and/or 6 to respond to the mute function activation. The Mute 
assignment shall not affect the Zone 2 output. 
The mixer/amplifier shall have a Pre-Out RCA unbalanced output. The 
mixer/amplifier shall have a Power Amp input for use with an external 
signal processor. The mixer/amplifier shall include the Push Here 
Diagnostic system test circuitry. This test will allow for automatic testing 
of the connected speaker lines for wiring and impedance errors. The 
mixer/amplifier shall include Phoenix connectors for both Remote Level 
Control and Remote Input Selection, which can be activated using the 
rear panel DIP switches. The Remote Input Selection circuitry shall work 
with Atlas Sound wall plate WPD-RISRL and allow Inputs 4, 5, and 6 or 
the Master Level only to be remotely connected, selected, and adjusted 
from the wall plate. The AA200PHD front panel shall include Inputs 
1, 2, 3, 4, 5, and 6 level controls as well as a Master Level control 
adjustment. System Signal, Peak, Limit, and Power LEDs shall also 
be incorporated. The mixer/amplifier rear panel shall also include bass 
and treble tone controls (100Hz and 10kHz, ±10dB). The tone controls 
shall not affect the Zone 2 output. The mixer/amplifier front panel shall 
include an AC Mains power switch.
Dimensions (W x H x D) shall be 16.54" x 3.66" x 14.6" (420mm x 93mm 
x 422mm) with feet or 3.48" (88.4mm) H without feet. Front panel finish 
and material shall be black ABS resin and case finish (and material) shall 
be black painted sheet steel.
©2014 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS004922 RevA 6/14
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 
TELEPHONE: (800) 876-3333 
FAX (800) 765-3435
AtlasSound.com
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