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LINKSKEY > 
Item#: N82E16817402023

LINKSKEY LKU-S04ASK 4-port Slim Palmtop USB Audio & Mic KVM Switch w/ Cables

  • 4 Ports Computer Connections
  • 1 Port Monitor Connections
  • Video Resolution 2048 x 1536
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A KVM switch (Keyboard-Video-Mouse) is a major boon to anyone who has to work with more than one computer. You can change computers without having to give up the keyboard and monitor you're already using, sometimes via the keyboard itself. Imagine the space and money you'll save, only having to buy one monitor, keyboard, and mouse.

After saying that, KVM switches stop being exciting pretty quickly, so let's look at things to shop for. Will it switch your speakers, too? How about your microphone? Is it USB only, or can it handle older connections? Hardware button, keyboard command control, or both? Does it draw its power from the computer, or does it need a power adapter? How many computers do you need to switch? (Most KVM switches will handle two computers; some can handle more.)

The LINKSKEY LKU-S04ASK is a 4-port compact USB KVM Switch with Audio and Mic switching function allowing you to manage four PCs with just one set of keyboard, monitor and mouse. A Win-based switching software is included for easy PC selection and keyboard hotkey configuration. Is this the switch for you? Check it out and see!

  • newegg Control Four PCs Share one monitor, keyboard, mouse and audio devices between four USB-compatible computers using the LINKSKEY LKU-S04ASK palmtop KVM switch. The built-in VGA connector supports monitors with resolutions of up to 2048 x 1536.
  • newegg Audio and Microphone Switching With the LINKSKEY LKU-S04ASK palmtop KVM switch, share one set of speaker and microphone between multiple computers. The switch offers user-programmable simultaneous/independent PC and audio/mic switching functions for flexible multimedia and KVM switching operation.
  • newegg Easy Switch between PCs Easily switch from one computer to another by using the keyboard hotkeys, push button or switching software (for windows).

Learn more about the LINKSKEY LKU-S04ASK

Model

Brand
LINKSKEY
Model
LKU-S04ASK

Spec

Type
D-Sub, USB
PC Connectors
4 x HDB 15-pin (For PC Video)
8 x 3.5mm Audio/Mic Jack (For PC Sound)
(All Female Type)
Console Connectors
1 x HDB 15-pin (For Monitor)
2 x USB Type A (For Keyboard & Mouse)
2 x 3.5mm Jack (For Speakers and Microphone)
(All Female Type)
Computer Connections
4 Ports
Monitor Connections
1 Port
Video Resolution
2048 x 1536
PC Selection
Push button / Hotkeys / Switching Software
Dimensions
6.4" x 2.8" x 1.1"

Features

Audio Features
with Audio
Power Features
USB interface power
USB Features
with USB support
Features
4-port Slim Palmtop USB Audio & Mic KVM Switch
Support USB Keyboard and USB Mouse
USB 1.1 Specification compliant
Supports PC Port Switching
Supports Audio and Microphone Switching
Supports Hot-plugging without Powering down
User Definable Hotkeys
LEDs for easy status monitoring
Supports High VGA Resolution up to 2048 x 1536
USB Interface Power

Packaging

Package Contents
1 4-port Slim Palmtop USB KVM Switch
1 Utility CD-Rom
4 Integrated Cable
4 3.5mm Audio Cable

Manufacturer Warranty

Parts
1 year limited
Labor
1 year limited

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the LINKSKEY LKU-S04ASK

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  • Anonymous
  • 5/21/2014 10:01:16 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

1 out of 5 eggsThey actually sell this?

Pros: Video switching works.

Cons: The USB ports only work intermittently, and never during POST of the host PC, so I need a USB port for KVM power, but still a USB switch to actually use USB.

If running Linux, the USB port being dodgy can be seen through dmesg.

Other Thoughts: You'd think they would apply some QA before selling such items. It will be my last Linkskey, that's for sure.

Did you find this review helpful? Yes No

  • Gregory W.
  • 11/13/2013 7:49:57 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

3 out of 5 eggsWorks OK except for hot keys

Pros: Does it's job, does not require a power cord. Comes with all necessary cables.

Cons: Hot keys only work in Windows (not in Linux or while in the BIOS). Feels a bit flimsy, I hope it's more durable than it looks.

Other Thoughts: First time I've ever seen a switch that requires an OS to be running for the hot keys to work. That is extremely annoying. But it was easy to set up and it works well.

Did you find this review helpful? Yes No

  • Hiroshi N.
  • 7/4/2013 1:20:12 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsA trick to reset LKU-S04ASK

Pros: Just works fine. As I know the trick described below, I am completely happy with it. Actually, I bought two more for the use at different places. They are al working fine.

Cons: For over 3 years of use, it stopped working once. After some struggle, I found a trick which is nothing but power recycling (like any other USB device). As its power is fed by the USB cables, tuning off PCs on their front panel is not enough as USB output may stay. I did it by switching off the master outlets surge suppressor to turn off all the PCs connected to it. So, what’s the cons? This trick was not explicitly written on the manual (probably it is so obvious).

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  • RG G.
  • 12/2/2012 1:56:18 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsTaking a lot back from my last review

Pros: See previous review by me

Cons: I thought I had a screen blanking problem on my HP computer. Turns out, this device just really screws up like 60% of the time. I have to unplug EVERY USB to EVERY computer so it powers down, then plug them all back in again and then it recognizes everything. Until I turn off the computer. Next time I turn it on, unplug ALL the USBs.

Other Thoughts: Gonna have to get another one, the numlock idiocy is annoying, but having to manually power down is for the birds.

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  • RG G.
  • 11/24/2012 9:03:07 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsAlmost great, but numlock poor choice

Pros: Love the USB withing the VGA cable (a lot less to plug in). It's VGA at the box end and VGA + USB at the computer end. Connection cables are seperate, so you only use what you need.

And everything works just great - picture quality same as without KVM.

Cons: It has buttons on the box for which computer, but it also lets you switch between active computers by SLOWLY double tapping numlock.

Unfortunately, I'm writing, I hit numlock to enter numbers, then hit numlock again and I'm looking at the wrong computer.

Here's the horrible part - I switch back and it takes a full ten seconds before Keyboard & mouse come back.

Very frustrating. Should use scroll lock and let MAC users hang.

Other Thoughts: If you don't do a lot of numlock on then off, then this product is perfectly designed and works perfectly.

When only one computer is on, the numlock thing blissfully doesn't work.

Did you find this review helpful? Yes No

  • William P.
  • 8/22/2012 8:14:51 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsImage both clear AND blurry

Pros: Inexpensive; buttons make it easy to switch between systems; cables are included

Cons: The video clarity is fine with some systems, but it adds mild blurriness with others. The systems with blurriness are NOT blurry when the monitor is plugged directly into them. It's not a showstopper; I'm typing this on one of the blurry systems now. But it's annoying. I've tried other monitors with this KVM, but they didn't make a difference. They were clear with some systems but blurry with others. It's not particular KVM ports that are blurry either; I can put a clear system on a port that had a blurry system connected, and the clear system remains clear but the blurry system remains blurry. And it's not certain cables performing differently than others; I've tried swapping them with no luck.

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  • Anonymous
  • 6/15/2012 2:06:44 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsNo good

Pros: Cheap, comes with cables, easy to use

Cons: Works with some models of machines I am building not all, I work in a PC shop for a company and thought this would help me build machines. some of the newer machines I have (HP 8460P laptops) will flash on but after a couple of seconds the screen goes out.

Did you find this review helpful? Yes No

  • Josh C.
  • 6/15/2012 8:35:44 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsFrustrating

Pros: Had it for 3 years, time to toss it. Works when it wants to. It does get the job done 99% of the time but that 1% finally made my foot meet this thing between the floor. Now it serves as a great paper weight, door stop, or may even use it as a reminder not to buy linkskey again.

Cons: I run a computer repair shop and 4 port switches like this (that work) are perfect for our needs. However, this one will suddenly stop working, the display works but the USB (on any of the 4 connected systems) suddenly becomes unrecognizable. You'll be able to still switch between the display but the USB is useless until you reset the switch. And how do we reset this switch since it's powered by the video? That's right we have to disconnect every system from the KVM until it finally powers off, then reconnect and it's all better. When you're trying to get work done and suddenly have to stop what you're doing to correct this issue it becomes aggravating. It does only happen once every couple weeks but a reset button would be nice.

Other Thoughts: For some strange reason after this issue happened the last time my foot suddenly found itself repeatedly pounding this #&@# thing into the ground. I'll be trying the the IOGEAR GCS1734 KVM next. At least it's powered by an adapter so if it needs to be reset it will be quick and easy.

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  • Amanda B.
  • 3/20/2012 11:27:05 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Lasts a long time, no problems

Cons: None

Other Thoughts: I've owned this for a few years now and it is still working great. I purchased this because I use an external monitor and keyboard for my work laptop and didn't want to keep switching my peripherals to/from my personal desktop. I use this item every day and it has never failed me. In fact, I haven't come across any problems and the product has lasted much longer than I expected.

Did you find this review helpful? Yes No

  • Stephen G.
  • 3/17/2012 5:49:08 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

1 out of 5 eggsGoes DOA-skey fast, poor choice

Pros: Compact. Great if/when it works.

Cons: I purchased one of these from a local retailer last June. It worked fine for about 7 months until it every PC connected to it (both XP and 7) stopped responding and indicated the USB connection was malfunctioning.

I returned it and exchanged it for the same model. Three weeks later, same problem.

Other Thoughts: I own a PC repair shop. Having a working KVM switch is a necessity, not an option. The time and hassle this model has caused me to upgrade to a pro-grade KVM (different brand).

If you value your time and don't want to play Russian Roulette with your KVM switch, stay away from this model.

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