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Retrevo analyzed
 
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4.0/5
SONY MDR-RF4000K Circumaural 2.4GHz Digital RF Wireless Headphones - Newegg.com
"Very comfortable, no signal degradation at other side of the house from the transmitter..."

"Installed easily, mounts easily, and has extremely good sound quality even at a huge distance away! None..."

"Bottom mounts are sticky (on purpose) - They are not just pads..."

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PRICES (10)
 
Amazon.com: sony mdr-rf4000k
BP-HP550-11 Replacement Battery for Sony MDR-RF810RK, MDR-RF840RK, MDR-RF970RK, MDR-RF4000K, MDR-RF810, MDR-RF925RK... by UpStart Battery...
Sony MDR-RF4000K Digital RF Wireless Headphones MDRRF4000K B&H
The MDR-RF4000K headphones from Sony provide high-quality audio without the hassle of wires, ideal for use with televisions and home entertainment systems...
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Sony MDR RF4000K Wireless Headphones Black | eBay
Find best value and selection for your Sony MDR RF4000K Wireless Headphones Black search on eBay. World's leading marketplace...
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MANUFACTURERS (3)
 
MDR-RF4000K | Headphones | Sony UK
Sony Professional World-class gear for the audio and video industries. ... MDR-RF4000K. Buy. Share. Facebook; Twitter; Google+; Pinterest; Facebook; Twitter; Google+ ...
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Sony MDR-RF4000K Digital RF Wireless Headphones - MDR-RF4000K ...
Buy Sony MDR-RF4000K Digital RF Wireless Headphones - MDR-RF4000K online with fast shipping and top-rated customer service. Mwave.com.au
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Dell.com - MDR-RF4000K Wireless Headphones customer reviews ...
Dell.com product reviews and customer ratings for MDR-RF4000K Wireless Headphones. Read and compare experiences customers have had with Sony products...
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