Whether you want to keep your audio out of sight or show it off, the Stem Ceiling gives you the option to discreetly flush-mount the microphone to a ceiling tile or tie it into the design of the room in chandelier mode. The Stem Ceiling is compatible with all your favorite video-conferencing platforms, including Zoom, Microsoft Teams, Meet, and others. Since it does not have speakers, it is used for audio capture only.
- The 100 beamforming microphones work together to provide full coverage with a narrow, medium, or wide pickup pattern that can be adjusted for the required coverage area.
- Full-duplex transmission, voice-activity detection, and automatic tracking of the person speaking ensure intelligible speech capture.
- The direction-finding algorithm determines the presence and direction of the person speaking and the beamforming algorithm points the microphone pickup in that direction, ensuring that everyone in the room can be heard clearly by the participants on the far end of the call.
- Automatic gain control adjusts the volume of people close to and far from the microphones, while echo cancellation, de-reverberation, and background-noise reduction (Audio Fencing) ensure comfortable communication, free from distracting sounds.
- The Stem Ceiling comes with a square ceiling panel and a mounting kit for easy installation in your conference room.
- Connect the unit to your local network that supports PoE+ (Power over Ethernet). This connection provides the device with power, data, and other IoT and SIP capabilities.
- If your network doesn’t support PoE+, you must use a separate PoE+ injector or PoE+ enabled switch (both available separately).
- The unit powers up automatically, and when the blue lights turn solid, you’re ready to go. So, one simple cable is all you need.
- The device can be remotely controlled via the Stem Control device (available separately).
- Visible to all participants in the room, an LED light ring with blue and red colors clearly indicate the status of the unit, so you know when you’re heard and when you’re not.
- Slow-pulsing red lights show that the device is muted
- Fast-pulsing red lights show that the device is being pinged.
- Slow-pulsing blue lights show that the device is booting up.
- Using the included Ethernet cable, connect the device to your local network that supports PoE+.
Standalone Setup with Computer
- If you need video conferencing capabilities, use the included USB Type-B cable to connect the device to your macOS/Windows/Linux computer.
- Note: You must also use a separate PoE+ injector or PoE+ enabled switch to provide power to the unit.
Networked Setup with Multiple Stem Ecosystem Devices in the Room
- Follow the same instruction as with standalone setup with network.
- When setting up multiple Stem devices in a room, you must use a Stem Audio Hub (available separately), as all communications between the devices and the far end are done through the Hub.
- Stem Table: If you prefer to keep your speakerphone on the table, this low-profile 9-microphone array performs real beamforming with a full-range speaker.
- Stem Wall: If you prefer to keep devices off the table, this wall-mounted 15-microphone array performs real beamforming with full-range speakers and subwoofers.
- Stem Hub: When you have more than one device in a room or you need more than just USB connectivity, Hub becomes the brains of the operation. Hub enables multiple units in the room to communicate with each other to function as an ecosystem.
- Stem Control: This simple and intuitive user interface creates an enjoyable and familiar experience when controlling all the elements of your Stem Ecosystem. It lets you see data-rich statistics and reports behind the scenes. Stem Control also seamlessly integrates with all major video conferencing platforms.
Of course, the Speaker can be combined with additional Speaker units and other Stem components, including microphone arrays, to ensure complete audio coverage for larger conference spaces and classrooms. The Stem Speaker is compatible with all your favorite video-conferencing platforms including Zoom, Microsoft Teams, Meet, and others.
- In addition to clear and intelligible speech, the single-driver loudspeaker is well suited to program and background music, providing a wide 60 Hz to 20 kHz frequency response and delivering plenty of power to cover small spaces.
- An LED ring around the edge of the speaker glows light blue when the speaker is active and slowly pulses red when muted.
- Speaker volume can be easily adjusted with volume up & down buttons on the device or through Stem Control (available separately).
- The Stem Speaker comes with a mounting kit for easy permanent installation in your conference room wall or ceiling.
- Alternatively, two legs are provided that create a sturdy tripod-style stand for placement on a desk or tabletop.
- Power over Ethernet (PoE+) and networked setup eliminate complicated cabling and make installation effortless.
- Side controls adjust the volume, and the unit can be remotely controlled via the Stem Control device (available separately).
- Using the included Ethernet cable, connect the device to your local network that supports PoE+.
Networked Setup with Multiple Stem Ecosystem Devices in the Room
- Follow the same instruction as with standalone setup with network.
- When setting up multiple Stem devices in a room, you must use a Stem Audio Hub (available separately), as all communications between the devices and the far end are done through the Hub.
- Stem Table: this tabletop speakerphone features a low-profile 9-microphone array that performs real beamforming to focus audio capture on the person speaking and includes a full-range loudspeaker.
- Stem Wall: this 48″ mic array and speaker system offers real beamforming with 15 microphones along with two full range speakers and two subwoofers. The unit can be mounted on a wall or placed on a credenza and is well suited for small to medium spaces.
- Stem Ceiling: this ceiling-mounted 100-microphone array performs real beamforming from a discreet location.
- Stem Hub: when you have more than one device in a room or you need more than just USB connectivity, Hub becomes the brains of the operation. Hub enables multiple units in the room to communicate with each other to function as an ecosystem.
- Stem Control: this simple and intuitive user interface creates an enjoyable and familiar experience when controlling all the elements of your Stem Ecosystem. It lets you see data-rich statistics and reports behind the scenes. Stem Control also seamlessly integrates with all major video conferencing platforms.
- This connection is mandatory as it provides the unit with data, power, SIP, and the ability to communicate with other Stem devices.
- To make this connection, simply plug one end of an Ethernet cable into the Ethernet jack and the other end into a network that supports PoE+.
- If your network doesn’t support PoE+, you must use a separate PoE+ injector or PoE+ enabled switch (both available separately).
- This connection is necessary for video- or audio-conferencing capabilities.
- For this connection, use the USB type B cable provided and connect one end into the USB port and the other to your macOS/Windows/Linux laptop or room computer.
- This unamplified connection can be used whenever external speakers/amplification is required.
- Use the provided male terminal connector to wire your speaker/amplifier cables into the Hub’s female terminal block.
- After connecting external speakers, initiate Stem RoomAdapt software to ensure speakers perform properly.
This 50′ Cat 6 550 MHz Snagless Patch Cable from Comprehensive is an Ethernet patch cable suitable for use in professional network installations. It features a male-to-male design, using standard gold-plated RJ45 connectors on each end. The cable’s 550 MHz frequency greatly reduces loss when compared to standard 1000 MHz cable. It is suitable for use in Gigabit Ethernet networks.
Boost the switching capacity of your small business with the GS308PP 8-Port Gigabit PoE-Compliant Unmanaged Switch. Capable of up to 16 Gb/s of total switching bandwidth and a 1.44 Mpps forwarding rate, this desk- and wall-mountable unmanaged switch comes equipped with 8 Gigabit Ethernet ports. The ports support PoE (Power over Ethernet) with an 83W power budget, ideal for powering IP cameras, VoIP phones, wireless access points, and other PoE-capable devices.
Support for the Energy-Efficient Ethernet standard helps the plug-and-play switch to conserve power, while auto-MDI/MDIX support eliminates the need for crossover cables. The switch’s 802.1p QoS capabilities allow for traffic prioritization, while its fanless design helps to ensure quiet operation.