


Etymotic ER4-SR Studio Reference In-Ear Isolating Earphone with Replaceable Cable - Black
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Etymotic ER4-SR Studio Reference In-Ear Isolating Earphone with Replaceable Cable - BlackBrand Etymotic Research Colour Black Ear placement In Ear Form factor In Ear Impedance 45 Ohm Noise control Sound Isolation Sensitivity 45 Ohm Headphone jack Detachable Connector Model name ER4SR Connectivity technology Wired About this item Enhanced accuracy with greater sound output and flat response ACCU Driver balanced armature, precision matched, custom tuned drivers Braid reinforced cable for enhanced durability and low microphonic effect ACCU
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- We offer a 30-day return/exchange service after receiving.
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4.9 ★★★★★
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★★★★★ 4
Pricey
Color: Georgia Bulldogs, Style: NCAA #1 Fan Toy
It was made very well. It is durable. But I really paid to much
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2023
★★★★★ 3
Festive Dog Toy
Color: Georgia Bulldogs, Style: NCAA #1 Fan Toy
Cute, college Gameday toy! My dog tore it up in within 30 minutes. Not for heavy chewers. 😟
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Reviewed in the United States on October 11, 2025
★★★★★ 1
Didn't last a single day
Color: Alabama Crimson Tide, Style: NCAA #1 Fan Toy
My heavy chewer destroyed this within 3 hours. Don't even bother.
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Reviewed in the United States on February 2, 2026
★★★★★ 5
Tough toy
Color: Wisconsin Badgers, Style: NCAA #1 Fan Toy
Dogs haven't destroyed it so that's 5 stars in my house
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Reviewed in the United States on December 23, 2025
★★★★★ 5
Best puppy toy!
Color: Kentucky Wildcats, Style: NCAA #1 Fan Toy
My grand puppy loves loves this hand. I buy
1 every year for her. It’s her favorite puppy toy!!
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Reviewed in the United States on December 29, 2025
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