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SMS Audio Black SMS-WS-BLK Over-Ear SYNC by 50 Wireless Headphone
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Learn more about the SMS Audio, LLC SMS-WS-BLK


SMS Audio


Wireless Type
Up to 50 ft.

General SPEC

Driver Unit
Ear Coupling


Professionally tuned Digital EQ

16-bit lossless digital sound

Full on-board controls with bass boost, volume control & mute

Soft memory foam cushions

Passive sound isolation

Sync up to 4 users from one source


Package Contents
SYNC by 50 wireless headphone

Wired mic cable

3.5mm wireless transmitter

Hard-shell carry case

Micro USB charging cable

USB/AC adapter

Airplane plug adapter

Soft touch cleaning cloth

Owners manual

Product brochure

Manufacturer Warranty


Quick Info


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

Customer Reviews of the SMS Audio, LLC SMS-WS-BLK

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  • Salim K.
  • 2/2/2013 8:06:31 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsSolid pair of headphones/Good Audio

This review is from: SMS Audio Black SMS-WS-BLK Over-Ear SYNC by 50 Wireless Headphone

Pros: -Kleer wireless technology provides clear digital audio and 10 times the battery life of bluetooth.
-Build quality is high.
-Lots of bass. (with or without the bass boost activated)
-You can hook up the audio cable directly to the source if your batteries are dead to continue listening.
-Memory foam provides good passive noise cancellation.
-Huge range in my experience. Have not gotten them to cut out or degrade at 40-50 feet. Also, no static interference from other wireless devices\Wi-Fi networks since it's digital wireless (This is a MUST if you have ever used RF wireless headphones you know what i'm talking about)

Cons: -Sync-ing them takes about 30 seconds (you should only have to do it once a day, 17 hour battery life for the headphones about 8 for the transmitter(transmitter CAN be used while charging if you are at a computer just plug into the USB)).
-The memory foam can take some time to break in, until then it can get uncomfortable when listening for long periods of time but that's the price you pay for noise cancellation.
-The track skip/repeat buttons only work with Apple devices so it may as well not be there.
-Expensive at $400 (Although I bought it direct from Newegg and it was about 35% off the retail price at the time)

Other Thoughts: You're a fool if you get RF Wireless headphones. At least with this pair you won't be a victim of static and Wi-Fi interference. And Kleer Wireless provides TEN TIMES the battery life of Bluetooth.

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  • Anthony C.
  • 1/15/2013 9:25:50 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsPlease don't waste your money

This review is from: SMS Audio Black SMS-WS-BLK Over-Ear SYNC by 50 Wireless Headphone

Pros: Uses wireless Kleer technology, which means no high latency delays in the audio stream. Videos won't look out of sync with the audio. Bass is solid and acceptable

Cons: Absolutely one of the worst sounding headphones at any price point. Exaggerated response curve in the upper midrange, vocals are shrill and hard on the ears. One can buy headphones at 1/10th the cost that sound better.

Other Thoughts: I would consider these headphones defective, yet Newegg is charging me an exorbitant re-stocking fee. Never again.

Did you find this review helpful? Yes No

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