


See Options
2 Year
$179.99
3 Year
$249.99
5 Year
$489.99
Need help? Ask our experts.
Review Summary
Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500
Browse our FAQ
Microphone (mixer inputs), Auxiliary, Sound Reinforcement
4 per unit
3V, 24V or none (for Line inputs)
XLR
3V Phantom: 2K Ohms
24V Phantom: 590 Ohms
No Phantom: 2K Ohms
1.8V/Gain
0dB to 42dB in 6dB steps
20 Hz - 16 KHz
RCA and XLR (the XLR is re-assigned as Link Up when the unit is configured as Slave)
Line or Mic level (user selectable)
For Line level: 1.8Vpp Max
For Mic level: 90mVpp Max
Link Up level: Line (1.8Vpp fixed)
25 Ohms
20 Hz - 16 KHz
RCA
100K Ohms
1.8Vpp
2pin terminal block
25 Ohms
1.8Vpp Max
RS232 protocol available upon request
5V, 200mAmp (through the USB connector)
8 x 16.5 x 1.75" / 203.20 x 419.10 x 44.45mm
5.65lbs / 2.56kg
854969001161
How can you enhance your conference room's audio experience The MT454-PSTNP Octopus USB Base Unit with Analog Telephone Interface and Power Amplifier is the answer. This advanced audio conferencing mixer boasts a robust Digital Signal Processor (DSP) and proprietary technology that ensures crystal-clear audio delivery. It achieves this by automatically monitoring and mixing audio inputs, simplifying the setup and usage process.
The Octopus mixer is equipped with four versatile microphone inputs, each of which can be alternatively used as an auxiliary input or for sound reinforcement purposes. This flexibility allows you to customize the audio setup to suit any room configuration, whether you're mounting speakers and microphones on the ceiling, walls, or tabletops.
Key features of the Octopus include:
- Echo Cancellation: Eliminates audio feedback for uninterrupted communication.
- Noise Suppression: Reduces background noise, ensuring clear audio output.
- Full Duplex Communication: Allows simultaneous speaking and listening for natural conversations.
- De-reverb Filtering: Minimizes reverberation in spacious rooms for clearer sound.
- Automatic Gain Control: Adjusts microphone sensitivity for consistent volume levels.
- Phantom Power Supply: Offers both 3V and 24V options to accommodate a variety of microphones.
- Beamforming Microphone Array Technology: Selects the optimal microphone input in real-time for superior audio mixing.
- Bridging: Facilitates three-way communication across different connection sources, such as telephone, VoIP, and video codecs.
The Octopus MT454-PSTNP-PA model comes standard with USB and RCA connectors, enabling seamless VoIP and video codec integration. It also features an analog phone (PSTN) interface and a powerful 40-watt, 4-output amplifier to drive speakers efficiently. An additional option includes a digital telephone interface for even more connectivity possibilities.
This unit is the ideal USB and power amplifier solution for various settings, including:
- Small to very large conference rooms
- Classrooms and training facilities
- Courtrooms and auditoriums
- Webinars and web conferences
Compatibility is broad, with support for PC (Windows and Linux) and Macintosh (MAC OS) systems. Connection options for the Octopus USB Base Unit with Power Amplifier (MT454-PSTN-PA) include:
- Digital Output: USB connection to your computer for VoIP applications (e.g., Skype, Vidyo).
- Analog Output: RCA, XLR, and Phoenix speaker output connectors for versatile speaker setups.
- Speakers: Spring-clip connectors for straightforward speaker installation.
- Telephone Line: RJ11 connector and telephone cable for direct integration with your telephone infrastructure for PSTN calls.
Performance-wise, the Octopus delivers high-definition audio through its full duplex technology, making it a true HD audio solution for your conference space.
Simplicity is at the heart of the Octopus design, with an easy installation process and automatic mixing controls that let you "set it and forget it."
Expandability is also a key feature, with unlimited daisy chain capability to accommodate any room size without compromising on input availability.
Flexibility in connectivity and mounting options makes the Octopus a versatile choice for enhancing your audio conferencing capabilities, ensuring that every participant can hear and be heard with exceptional clarity.