Phoenix Audio MT305 Quattro3 USB+VoIP Conference Speakerphone

SKU: MT305
Condition: New

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Phoenix Audio MT305 Quattro3 conference phone has both a USB and SIP/IP telephone interface.  The USB outlet allows you to connect to a computer for any web audio conferencing seesion such as Skype, Vidyo, etc, while the telephone interface let you connect to any VoIP/SIP/IP service provider.  It comes with a built-in dial pad and LCD screen.  

Phoenix Audio Quattro3 incorporates the latest in digital signal processing and technology including 4 microphones, 4 speakers, 5 echo cancelers, proprietary Beam Forming Array algorithms, Voice Activity Detectors, De-reverb, Steady State Noise Attenuators, and Dynamic Signal Compression, to name a few. Its unique audio capabilities and small yet sophisticated design make it an ideal solution for both medium and large conference room settings. The hardware and software design of the Quattro provide it with an extended rage of audio pickup and broadcasting. This allows the Quattro speakerphone to cover larger spaces without the use of satellite microphones or speakers.

Although technologically advanced, the Quattro remains a simple and user friendly product. Maintaining our plug-and-play philosophy, the Quattro does not require expert knowledge in audio setup or any additional installations such as drivers. The Quattro also offers functional daisy chaining capabilities. This unique ability to daisy chain an unlimited number of units assures that no room or hall is too large for the Quattro.  Daisy chained units not only act as active microphones, but also speakers, delivering the full conferencing experience to all participants, regardless of the venue.


  • Four microphone beamforming array
  • Full duplex communication
  • Echo cancelling
  • Noise suppression
  • Dereverb
  • Automatic gain control
  • Daisy chainable
  • Single source daisy chain powering
  • Bridging between USB and IP Telephone
  • Fully functional dial pad with backlit LCD screen
  • Interchangeable interface modules
  • Durable aluminum casing
  • LED lit control buttons


Note:  If your PBX system does not support PoE, you will need to purchase the 48V power supply (MT320) to power the MT305. 

Includes:  MT305, USB cable, daisy-chain cable (ethernet), ethernet phone cable, installed dial pad with backlit LCD screen, interchangeable wire slot cover, user manual. 


Note: While any Quattro3 can be daisy-chained (regardless of interface) the daisy chain power method requires all units in the chain to have some type of secondary interface card (Quattro3 301 will not work).  The “Daisy Chain Power Kit” utilizes a 48V power supply not included with the Quattro3 and must be purchased separately. The daisy chain power method will work with up to 8 consecutive units before requiring another power source.

Additional Info
Additional Info
Model MT305
Manufacturer PHOENIX AUDIO
Condition New
Type Conference
Expandable Yes
Input Types VoIP (RJ45), PC (via USB)
Speakerphone Full-Duplex
Display No
Power Adapter Included Yes

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