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PX 9240 Six Zone Mixing Amplifier with Fault Detection


  • ●PX 9240 is a Six zone PA Mixer Amplifier with different source module and having TEL/EMG, 5 input, MOH output, priority control. It can extend to Zone with zone expander. With the Zone paging station it can make a call to different zone. An extra power Amplifier is needed to build a NON interrupt BGM system and have Output Power rating from 240 Watt.
  • ●8Ω/70V/100V system.
  • ●Priority function. TEL > MIC1 > MIC2>MIC3~4/AUX.
  • ●AC or DC powered.
  • ●Tabletop or System Rack-mount.


  • ●PPS-A All-Call Microphone
  • ●PPS-06 Six Zone Paging Station
  • ●PPS-EX Zone Extension Station
  • ●PWP-06D Six Zone Digital Wall Control Panel
  • ●MSB-CD7 SD/USB/CD/TUNER module.
  • ●MSW-MSG Messenger module
  • ●MSB-AIO All in one (SD/USB/TUNER) module
  • ●PEL-01 Line detect module



Front Panel:

  • ●Source module area.
  • ●MIC1~2 level control
  • ●MIC1~2 Hi/Lo level control.
  • ●MIC3~4/LINE1~2 level control.
  • ●MIC3~4/LINE1~2 Hi/Lo level control.
  • ●AUX1~2/Source module level control.
  • ●AUX1~2/Source Hi/Lo level control.
  • ●AUX Select button (Remote/Source/AUX1/AUX2)
  • ●Remote/Source /AUX1~2 LED indicator
  • ●LCD to show information (volume, error)
  • ●Control Button for setup the system. (Menu, +, -, ok, cancel, Reset)
  • ●Up and Down button to control Master total outputs level.
  • ●System Fault LED indicator for system fault (amplifier error, Zone shorted, No pilot tone)
  • ●Power ON LED indicator
  • ●Zone 1 & 6 output Attenuator VR.
  • ●Zone 1 & 6 LED indicator
  • ●Zone 1 & 6 select button
  • ●All Zone select button
  • ●All Zone LED indicator
  • ●VU-Meter


Rear Panel:

  • ●FM/AM Antenna connector
  • ●MOH output 1V/600ohm, 1W/8ohm, Phoenix connector.
  • ●MOH output level control.
  • ●TEL/EMG 1V/100V Input Phoenix connector.
  • ●TEL/EMG level control.
  • ●Paging Station RJ45 connector.
  • ●Wall Control Panel RJ45 connector
  • ●Trigger In Phoenix Connector:
    • -10 optocoupler Input, 24VDC IN
    • -NC-COM-NO: Dry contact that is activated when paging.
  • ●Trigger Out Phoenix Connector:
    • -10 Output, dry contact
    • -24VDC/800mA output
    • -Dry contact that will be closed in case of a fault is detected in the main unit.
  • ●Ext AMP :100V,
  • ●Zone 1~6 100V output, .
  • ●MIC1: COMBI/RJ45 Balance Input with Trigger function.
  • ●MIC2: COMBI Balance Input with VOX function.
  • ●MIC1~2 Dipswitch for PTT/ Phantom Enable.
  • ●MIC3~4: COMBI Balance Input with VOX function.
  • ●MIC3~4 Slide switch for MIC/LINE sensitivity select and Phantom Enable.
  • ●AUX1~2: RCA Unbalance Input.
  • ●REC Out: RCA (MONO) Output
  • ●PRE OUT: RCA (MONO) Output.
  • ●POWER IN: RCA (MONO) Input.
  • ●Ext Amplifier out: XLR Balanced
  • ●To PEX9000: RJ45 connect to Next unit (PEX9000)
  • ●CHIME VR controls chime output level.
    • -CHIME OFF/1/2/4 Tones.
    • -MICOPHONE input priority (FIFO, LIFO, MIX, OFF)
    • -Firmware upgrade Enable/Disable
    • -20kHz Pilot-tone On/OFF to monitor Amplifier errors.
    • -Mode for 1 Channel (interrupt BGM) or 2 channel mode ( NON-interrupt BGM)
  • ●RS232 connector for upgrade firmware.
  • ●Direct Output: 8Ω/ 70V/100V, Phoenix connector.
  • ●24VDC In to powered the unit, Phoenix connector.
  • ●AC Inlet
  • ●AC Voltage switch
  • ●Power ON/OFF switch.



PX 9240

Max Rated Output Power 1kHz, ≤ 1% THD


Input Sensitivity & Impedance

MIC1~4 (MIC/Line): 1.5mV@600Ω/200.0mV@47kΩ, Balanced

AUX1~2: 200mV@10kΩ, Unbalanced

TEL: 100V/100mV@600Ω,  Balanced

POWER IN: 1V@600Ω, Unbalanced

Ext Amplifier IN: 100V Dry contact

Tone Control

Bass: 100Hz , ±10dB,

Treble: 10kHz , ±10dB

Frequency Response

MIC1~4/LINE: 60Hz~15kHz, +1/-3dB

AUX/CD: 50Hz~20kHz, +1/-3dB

TEL: 100Hz~15kHz, +1/-3dB

S/N Ratio

MIC1~4 >60dB

LINE1~2 >70dB

AUX1~2 >75dB

TEL >70dB

Phantom Power



MOH Out: 8Ω/1W,  1V@600Ω

REC Out: 1V RCA  Unbalanced

PRE Out: 1V RCA Unbalanced

Ext Amplifier Out: 1V Balanced

Direct Out: 8Ω/70V/100V

Z1~6 Out: 100V Dry contact

Trigger Out

Dry contact 24V/2A

Trigger IN

Optocoupler, max 24VDC IN

DC Out





OFF/1/2/4 tone

Nominal AC Line Voltage

115V/230V, 50/60Hz

Operation Temperature / Humidity

-10°C ~ +45°C @ 95% R.H. (Non-Condensing)

Storage Temperature

-20°C ~ +70°C

Dimensions (W x D x H)mm

430 x 365 x 133