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Phoenix Audio Technologies > 
Item#: N82E16833404010

Phoenix Audio PHA-Q3-MT302 Quattro3 Conference Speakerphone

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  • USB interface (mini B connector)
  • 3.5mm external loudspeaker and microphone jack
  • Accessories

  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Phoenix Audio Technologies PHA-Q3-MT302


Phoenix Audio




USB interface (mini B connector)
3.5mm external loudspeaker and microphone jack
5V 500mA peak through USB and wall mount AC/DC converted
7" diameter, 1-7/8" height
2 lbs.
Daisy chain expandability of up to 15 units

Volume Up / Volume Down buttons

Frequency Response 50Hz - 16 KHz
Low latency (10ms)
Broadcast level (peak): 92dB SPL @1m (5 watts RMS)
Three-way bridging capability
Noise cancellation > 10dB (without pumping noise)
100% full duplex - no attenuation (in either direction) during full duplex
High-end performance confirms to ITU-T G.167
Acoustic echo cancellation > 40dB with conversion speed of 40dB/sec
Residual echo is suppressed to the environment noise level, preventing artificial ducking of signal
4 high-quality directional microphones
Direction-finding algorithm (determines the presence and direction of a speaker)
Beamforming algorithm (forms and directs audio beams towards a defined direction
Automatic voice-level adjustment (AGC)

Metal case and metal grill mesh for high RFI immunity and product durability

Plug-and-Play - No installation or drivers
Audio Setup Utility is available for Windows
The setup utility helps monitor the audio input and output level but is not required
Recording utility is available for Windows
Recording utility allows you to record conversations to your computer via the device
Operating systems: Windows 98 and up / Linux / MacOS

Battery: 7 hours of battery talk time with secondary interface.


Four microphone beamforming array

Full duplex communication

Echo cancelling

Noise suppression


Automatic gain control

Daisy chainable

Single source daisy chain powering

Bridging between USB and PSTN

Internal battery

Fully functional dial pad with backlit LCD screen

Interchangeable interface modules

Durable aluminum casing

LED lit control buttons.

The Quattro3 USB and Telephone (MT302) connects via:
USB to your computer - this connection is for any session using your computer, such as Voice Over IP applications (Skype, Microsoft Lync, etc.).
Telephone line - this connection is done via RJ11 connector and a telephone cable directly to your telephone infrastructure and is for any standard PSTN (analog phone) telephone call.
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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