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Item #:
56396067
Etymotic ER4-SR Studio Reference In-Ear Isolating Earphone with Replaceable Cable - Black
86% of respondents would recommend this to a friend
Item #:
56396067
XAF 293592
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Imported from UK store
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Order now and get it around Sunday, September 06
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The Etymotic Research ER4SR is the new reference standard in-ear monitor for those who demand nothing less than the highest fidelity.
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What Stands Out
Studio-Quality Sound
Experience unparalleled audio fidelity with high-resolution drivers, delivering pristine sound quality for critical listening and professional monitoring in any environment.
Replaceable Cable
Enjoy longevity and customization with a user-replaceable cable, allowing easy upgrades and repairs to meet personal preferences and prevent wasting a premium product.
Superior Noise Isolation
Achieve an immersive listening experience with advanced passive noise isolation, blocking out external distractions for enhanced focus on your music or professional audio projects.
Product Details
| Brand Name | Etymotic Research |
| Model Number | ER4SR |
| Model Name | ER4-SR |
| Box Contents | Ear Cushions |
| Age Range Description | Adult |
| Country of Origin | Vietnam |
| Customer Package Type | Standard Packaging |
| Number of Items | 1 |
| Series Number | 4 |
| UPC | 846430002012 |
| Global Trade Identification Number | 00846430002012 |
| Manufacturer | Etymotic Research, Inc. |
| Is Autographed | No |
| Item Weight | 0.2 Pounds (90 grams) |
| Headphones Ear Placement | In Ear |
| Headphone Form Factor | In Ear |
| Earpiece Shape | in-ear |
| Control Type | Media Control |
| Control Method | Remote |
| Controller Type | Media Control |
| Impedance | 45 Ohms |
| Noise Control | Sound Isolation |
| Sensitivity | 45 Ohm |
| Audio Driver Type | Balanced Armature Driver |
| Frequency Range | 10 Hz - 16 kHz |
| Enclosure Material | Aluminium |
| Specific Uses For Product | Music, Studio Recording |
| Antenna Location | High-fidelity audio listening, Professional monitoring, Critical listening, Portable use |
| Compatible Devices | Android,iPhone,iPod,iPad,PC,Mac,Laptop,Computer,Mobile Phone,Apple iPhone,Samsung Galaxy,HTC,iPhone 4,iPhone 4S,iPhone 5,iPhone 5S,iPhone 6,iPhone 6S,Galaxy S6,Galaxy S7,DAP,High Resolution Audio Player,High Res Audio Player |
| Cable Features | Detachable |
| Water Resistance Level | Not Water Resistant |
| Carrying Case Material | Aluminum or metal |
| Product Features | Noise Isolation |
| Headphone Jack | Detachable Connector |
| Network Connectivity Technology | Wired |
| Colour | Black |
| Style Name | High-Fidelity |
| Carrying Case Color | Black |
| Theme | Professional Audio Equipment |
| Brand | Etymotic Research |
| Ear placement | In Ear |
| Form factor | In Ear |
| Connectivity technology | Wired |
Who Should Buy?
-
Audio Professionals
Ideal for sound engineers and musicians seeking high-fidelity audio for mixing and mastering sessions, ensuring accurate sound representation.
-
Frequent Travelers
Great for travelers wanting to block out noise during flights or commutes, providing a more immersive listening experience.
-
Critical Listeners
Perfect for audiophiles who appreciate sound quality and detail, offering specific frequency response and clarity for discerning ears.
-
Casual Listeners
Not suitable for casual users who prefer enhanced bass or simpler earphones without the need for sound precision or isolation.
Product Description
Etymotic ER4-SR Studio Reference In-Ear Isolating Earphone with Replaceable Cable - Black
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Customer Questions & Answers
-
Question:
What is the maximum noise isolation that it provides?
Answer: 35-42 dB of noise isolation with a max output of 122 dB. -
Question:
What are the transducers used in the product?
Answer: High performance balanced Armature drivers are precision matched to within 1 dB. -
Question:
Where are these earphones assembled and tuned?
Answer: Every pair of ER4SR earphones is assembled and tuned in the United States.
Etymotic Research In-Ear Headphones ER4SR Editorial Review
The Etymotic ER4-SR Studio Reference In-Ear Isolating Earphones have garnered a notable reputation among audio enthusiasts, particularly for their remarkable sound quality and precision. Users frequently praise these earphones for their ability to deliver an authentic listening experience, with detailed highs, balanced mids, and tight bass response that many describe as studio-quality. This is particularly appreciated by musicians and audiophiles who seek clarity and accuracy in their audio playback. Comfort is another highlight in customer feedback. The ER4-SR earphones come with various ear tip options, allowing users to find a perfect fit which enhances both comfort and noise isolation. Many users find that this snug fit not only contributes to a more immersive sound experience but also allows the earphones to excel in isolating outside noise. On the downside, some users note that the learning curve associated with getting used to the earphones can be steep, particularly for those new to in-ear monitors. Initial discomfort and fit issues are mentioned, though these tend to resolve once users find the right tips and positioning. Additionally, while the replaceable cable feature is valued, a few users express concerns regarding the durability of the cables. In summary, the Etymotic ER4-SR earphones are celebrated for their exceptional sound fidelity and effective noise isolation, making them a top choice for serious listeners. While they may require some adjustment in terms of comfort and usage, those who invest the time are rewarded with a high-quality audio experience. **
Customer Reviews & Ratings
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Pros
- Outstanding sound quality with exacting detail and clarity
- Excellent noise isolation
- Various ear tip options for a customizable fit
- Replaceable cable feature enhances longevity
Cons
- Initial discomfort for some users until they achieve an optimal fit
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23 July 2026 · via Trustpilot
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XAF 293592
Order now and get it around Sunday, September 06
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Features & Benefits
- Increased accuracy with greater sensitivity
- Matched channels within an industry-leading 1dB across all frequencies from 100Hz to 10kHz
- Includes industry-exclusive channel matching compliance graph signed by the Etymotic engineer
- Assembled and tuned in the United States
- High performance, balanced armature micro-drivers
- Braided, reinforced 5ft detachable MMCX cables
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