Description
The KAC-SPK-40 USB-powered audio bar is a conference audio solution designed to deliver clear speech capture and natural playback. It provides integrated stereo speakers and a subwoofer to maintain voice clarity across medium to large rooms. The system is certified for Microsoft Teams and Zoom Rooms which ensures predictable interoperability and call quality.
The unit includes two satellite microphones each fitted with 6m cables and providing coverage up to 10m to capture participants across a broad table or meeting area. Built-in DSP performs echo cancellation and noise suppression to maintain intelligible speech in mixed-office environments. Onboard controls include power, mute, Bluetooth, and volume up/down for quick local adjustments.
Audio performance is specified with loudness up to 100dB and power output of 20+20W delivered through four speaker units. The speaker frequency response covers 250Hz to 20KHz while microphone response covers 300Hz to 8KHz to prioritize voice frequencies. The system supports Bluetooth 5.0 audio codecs including A2DP, SBC, MPEG-4 and AAC for wireless connectivity.
Connectivity options include USB 2.0 via a USB-C connector for plug-and-play PC connections and analog output jacks that support daisy chaining to extend audio output. Bluetooth 5.0 enables direct audio streaming from mobile devices while the Teams and Zoom Rooms certifications ensure platform-level compatibility. Mounting options include tabletop standalone placement, wall mounting, or TV mounting to fit varied room layouts.
The KAC-SPK-40 is suited to meeting rooms, training spaces and huddle areas where clear two-way audio is required. It captures multiple speakers across the table and provides reliable playback so remote attendees remain engaged. The included satellite microphones and onboard DSP reduce the need for additional audio processing and simplify system design.
Installation and day-to-day use focus on simplicity and reliability – the USB-C connection supports plug-and-play operation and the physical buttons deliver immediate control without software. The bar is compact and light enough for easy mounting or tabletop placement and ships with options to support wall or TV attachment. Build quality and tested certifications make it a practical option for integrated AV deployments.
Free Ground Shipping
We offer free ground shipping on every purchase of $300 and more for US and US territory. Please choose "Free Ground Shipping (UPS/USPS)" option at checkout.
UPS Ground
UPS provides up-to-date tracking information. Ground service takes anywhere from 2-7 working days for delivery depending on destinations. UPS Ground does not deliver on Saturdays, Sundays or Holidays.
USPS Priority Mail/USPS Express Mail
For all shipments shipped via USPS, we offer 'DELIVERY CONFIRMATION' number with each package. Difference between tracking number provided by UPS vs USPS Delivery Confirmation number is: Delivery Confirmation status is updated when the delivery has been made or when the package has made it through major USPS stations.
Air Shipment
Air shipments, Overnight, 2nd day and 3 day select methods offer guaranteed delivery time for your shipment. If you are in hurry or in need for the items on schedule, select one of these methods. Up-to-date tracking information is provided with each Air Shipment. AVProSupply has the right to choose between Air shipments to meet or reduce delivery time. For guaranteed delivery of multiple items with expedited shipping, please contact our customer service representative for personalized assistance to get your items delivered to you when you need them.
International Customers
We offer shipping via USPS/UPS for our international customers. You can find different shipping options during checkout.
Most items ordered from AVProSupply will be shipped out from our California Warehouse. Will-Calls are only allowed with Appointment Only - Please call Customer Service to set one up between the hours of 9am to 6pm PST.
We Offer A 30-Day Money Back Guarantee:
Our main goal is to ensure your complete satisfaction with our service and products. If, for any reason, you are not 100% satisfied with your purchase, you can return it within 30 days of the purchase date for a full refund. Our 30-day money back guarantee applies to all of the products we sell, except for: TVs and monitors 20" and larger, Special Order merchandise, or any item indicated as non-returnable. Shipping is not refundable. Prior to returning your purchase, a Return Merchandise Authorization (RMA) number will be provided to you.
Refunds:
Refunds on returned items will be issued in the same payment form as received from the customer at the time of purchase. Once we receive the product and it passes inspection, we will credit your account. Please allow 3 - 6 business days for a credit to appear on your account.
Exchanges:
If the item was sent back to us for an exchange, please allow 3 - 5 business days for the replacement to be processed.
No Returns/Exchanges on the following:
- TVs and monitors 20" and larger
- Special Order merchandise
- Any item indicated on the website as non-returnable
For more information see our official Return Policy
