

CA-2890BT Speaker Bar
USB and Bluetooth Speaker Bar with Speakerphone
Designed for home, office, or travel, it connects via USB or Bluetooth for audio and hands-free calls on tablets or smartphones. A monitor-mountable design, easy controls, and included USB-C adapter make setup simple and flexible.


USB and Bluetooth Switching
One-Button Source Control
Switch between USB and Bluetooth using the Multi-Function Button, with a blue light indicating Bluetooth mode and a green light indicating USB mode.
Setting Up Your CA-2890BT Speaker Bar
Cyber Acoustics Space Saving Speakers
Can this speaker be mounted to a monitor or used on a desk?
Yes. It can mount to the top, side, or bottom of a monitor up to 1" thick, or sit on a desk or table with the clip resting flat.
Does this speaker have a 3.5mm connection?
No, the CA-2890BT connects via USB and Bluetooth.
Can you control the lights (red, blue or green) on the speaker?
The LEDs have a specific function. When the Power On LED is lit green, the speaker is connected to the computer and enabled. When the light is blue, it is connected wirelessly. When the Speaker Mute button is lit Red, the speaker output is muted.
Can I use the CA-2890BT with a TV or gaming console?
No, the CA-2890BT will not work with TVs or gaming systems. Bluetooth delay can also cause audio to be out of sync with on-screen action.
Why am I experiencing poor mic performance?
A common reason we are seeing related to poor mic performance is often due to another device being set as the input (desk mic, webcam microphone, etc.). Please double check your input settings and verify that CA-2890BT is set as your input device.

USB and Bluetooth Speaker Bar with Speakerphone
Designed for home, office, or travel, it connects via USB or Bluetooth for audio and hands-free calls on tablets or smartphones. A monitor-mountable design, easy controls, and included USB-C adapter make setup simple and flexible.

One-Button Source Control
Switch between USB and Bluetooth using the Multi-Function Button, with a blue light indicating Bluetooth mode and a green light indicating USB mode.
Work-Ready Sound and Calls
Minimal Footprint, Maximum Functionality
Clear audio for music, videos, and calls. Ideal for work or everyday use.
This speaker bar attaches to monitors up to 1" thick or stands freely on your desktop, all while keeping controls at your fingertips.
Setting Up Your CA-2890BT Speaker Bar
USB and Bluetooth
The CA-2890BT offers simultaneous connection to PC or Mac via USB and to smartphones via Bluetooth.
Adapter Included
USB-A to USB-C adapter included for easy use with newer devices.
One-Button Switching
Press the Multi-Function button twice to switch between USB and Bluetooth modes.
Pair with Bluetooth
Press Multi-Function twice. Select “CA-2890BT” in your device Bluetooth menu to connect.
Usage Tips
Not intended for use with TVs or gaming consoles. Pair only in trusted spaces.
Cyber Acoustics Space Saving Speakers
![]() CA-2890BT Speaker Bar | ![]() CA-2890 Speaker Bar | ![]() SP-2000 Speakerphone | ![]() CA-2890PRO Speaker Bar |
|---|---|---|---|
| Customer Reviews | |||
| — | — | — | — |
| Price | |||
| — | — | — | — |
| Connection | |||
| USB-A, USB-C, Bluetooth | USB-A | USB-A, USB-C, Bluetooth | USB-A, USB-C, Bluetooth |
| Speakerphone | |||
| ? | ? | ? | ? |
| Battery | |||
| N/A | N/A | Up to 12 hours | N/A |
| Bluetooth Range | |||
| Up to 66 feet | N/A | Up to 100 feet | Up to 66 feet |
| Controls | |||
| Mic Mute, Vol, Multi-Fn | Vol, Play/Pause, Mute | Call, Source, Vol, Mute, Power | Mic Mute, Gain, Vol, Multi-Fn |
| Compatibility | |||
| Windows, Mac, Phones | Windows and Mac | Windows, Mac, Phones | Windows, Mac, Phones |
| Cable Length | |||
| 6 Feet | 6 Feet | 6 Foot Charging Cable | 6 Feet |
Can this speaker be mounted to a monitor or used on a desk?
Yes. It can mount to the top, side, or bottom of a monitor up to 1" thick, or sit on a desk or table with the clip resting flat.
Does this speaker have a 3.5mm connection?
No, the CA-2890BT connects via USB and Bluetooth.
Can you control the lights (red, blue or green) on the speaker?
The LEDs have a specific function. When the Power On LED is lit green, the speaker is connected to the computer and enabled. When the light is blue, it is connected wirelessly. When the Speaker Mute button is lit Red, the speaker output is muted.
Can I use the CA-2890BT with a TV or gaming console?
No, the CA-2890BT will not work with TVs or gaming systems. Bluetooth delay can also cause audio to be out of sync with on-screen action.
Why am I experiencing poor mic performance?
A common reason we are seeing related to poor mic performance is often due to another device being set as the input (desk mic, webcam microphone, etc.). Please double check your input settings and verify that CA-2890BT is set as your input device.












































































