Alxum

Alxum 2 Port HDMI KVM Switch with Audio and Microphone Ports,4K@60Hz

Name: Alxum 2 Port HDMI KVM Switch with Audio and Microphone Ports,4K@60Hz
Brand: Alxum
SKU: B0DPFVFW3D

Bottom line: The Alxum 2 Port HDMI KVM Switch with Audio and Microphone Ports: True dual-monitor KVM: 2 HDMI inputs and 2 HDMI outputs for two desktop PCs; main trade-off: dual-screen mode requires two desktop PCs; laptops are not recommended.

Live pricing on eBay

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

🛒 See live eBay price Also on Amazon — Check price → Compare to similar kvm switches

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ True dual-monitor KVM: 2 HDMI inputs and 2 HDMI outputs for two desktop PCs
✓ 4K at 60Hz supported, backward compatible with 4K@30Hz and 1080p
✓ 3.5mm audio and microphone combo jack for streaming and conference calls
✓ Three USB Type-A ports at 5Gbps for keyboard, mouse, printer, or external drives
✓ Switches by front buttons or the bundled wired desktop remote controller

Cons

✗ Dual-screen mode requires two desktop PCs; laptops are not recommended
✗ No DisplayPort support, and DP-to-HDMI adapter cables are discouraged
✗ Requires the included 5V adapter at all times; no bus-powered operation
✗ 4K@60Hz limited to HDMI 2.0 cables under 5 meters on both input and output

SpecPicks Verdict

SpecPicks scored Alxum 2 Port HDMI KVM Switch with Audio and Microphone Ports using a rating × review-volume × price-fit model applied to published specs and reviews across the kvm switches category. Alxum's kvm switches lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for kvm switches of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

USB 3.0 KVM Switch - Connect and control 2 computers with 2 monitors simultaneously. Features 2 HDMI input ports for host devices and 2 HDMI output ports for displays, enabling effortless switching between dual-computer and dual-monitor configurations. (Note: Laptop connection is not recommended when outputting to both displays at the same time.)
TWO PC KVM Switcher- Features a 3.5mm Audio&Microphone combo jack and three USB Type-A ports (5Gbps high-speed data transfer) for connecting various peripherals including mice, keyboards, printers, and external storage devices. The 3.5mm audio port provides high-quality sound for live streaming, remote meetings and online education. An ideal choice for live streaming, remote video conferencing, online education applications, and video editors.Note: For optimal performance, ensure all ports are properly connected to their corresponding devices
Dual Switching Modes- Instantly switch between two computers via the device buttons or the included remote control. Its compact design allows you to tuck the switch away in any corner, creating a neat and organized workspace. It helps keep your desktop clean and efficient, whether in an office, studio, or home environment.NOTE:If you need to switch the copy mode or extended mode, set the 2 computers to “Copy Mode” or “Extended Mode” at the same time by operating on the monitor
Ultra HD 4K Resolutions- Alxum 2 port HDMI KVM Switches supports up to 4K@60Hz screen display. Backward compatible with 4K@30Hz,1080P. Note: 1.To achieve 4K output, you need to connect the cable supporting up to 4K output. And make sure the resolution of the input and output are the same.2.The maximum input/output distance for 4K resolution (3840×2160@60Hz) is supported with HDMI cables up to 5 meters in length
Package Content- 1 x USB HDMI KVM Switches, 2 x USB A to B cable, 1 x Desktop Controller, 1 x DC 5V Power Adapter, 1 x User Manual. Please contact us if you have any questions before purchase or during use. We provide 24-hour customer-friendly support service
Note- 1. This HDMI KVM Switch DOES NOT support DP interface devices, and NOT recommended to use DP to HDMI conversion cable. 2. Please keep the 5V power adapter connected during use. Don't use any over 5V power adapter. 3. For protection during transportation, the product is covered with a clear protective film. You can remove the protective film before use. 4. Make sure that the HDMI cable is of HDMI 2.0 standard or higher, and its length should be less than 5M.5.To Use Dual-Screen Mode, Both of your Computers Must be Desktop PCs. This USB 3.0 KVM Switch is NOT Recommended for use with Laptops

Full Specifications

Brand	Alxum
Color	HDMI
Model	SJW-KM202B
Material	Plastic
Terminal	Solder
Unit Count	1 Count
Part Number	SJW-KM202B
Switch Type	Kvm
Circuit Type	1-way
Connectivity	USB
Contact Type	Normally Open
Compatibility	PC, Switch
Material Type	Plastic
Mounting Type	Desktop
Connector Type	Hdmi
Control Method	Touch
Operation Mode	Electronic
Controller Type	Usb
Item Dimensions	5.12 x 2.46 x 1.17 inches
Number of Items	1

Ready to buy?

Alxum 2 Port HDMI KVM Switch with Audio and Microphone Ports,4K@60Hz is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings → Check Amazon listing →