Project Description

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Multi-Zone Paging System (TOA)

The cost-effective Multi-Zone Paging System is achieved with TOA’s zone selectable remote paging microphone and speaker line selector. TOA’s multi zone paging system allows paging up to12 zones, utilizing a single channel amplifier by activating the speaker line selector from the desktop remote microphone.


• Announcement to the selected zones out of a maximum of 12 zones

• Paging zones may be selected individually or in groups

• An All-call Button for selecting all zones

• A Clear Button for clearing all zone selections

• LED indicator for each selector

• Unidirectional electret condenser microphone with balanced audio output

• All connections to amp/speaker selector via shielded CAT5 cable

• AD-246 Power Supply included


Power Source

  • 24 V DC from AC adaptor AD-246 or equivalent

Power Consumption

  • 80mA or less

Audio Output

  • 0 dB, 600 Ohms, transformer balanced, RJ45 connector


  • 1% or less

Frequency Response

  • 100 – 20,000Hz

S/N Ratio

  • 60dB or more


  • Unidirectional electret condenser microphone

Control Output

  • 12 channels, open collector output, withstand voltage: 27V DC, control current: max. 50 mA, (2) RJ45 connectors

Number of Keys

  • 12 zone selection keys, All call key, Cancel key, Talk key

Volume Control

  • Microphone volume control

Operating Temperature

  • -10C to + 40C (14F to 104F)


  • ABS resin, Black


  • 190 W x 76.5 H X 215 D mm (Gooseneck microphone excluded)


  • 750g

Supplied Accessory

  • AC Adaptor: AD-246