





🎶 Hear Every Nuance, Miss Nothing.
The Etymotic Research ER4SR Studio Reference In-Ear Monitors set the industry benchmark for professional audio fidelity with precision-tuned balanced armature drivers delivering 92% accuracy and industry-leading 1dB channel matching. Featuring durable anodized aluminum bodies, detachable braided cables, and a comprehensive assortment of ear tips and filters, these monitors provide exceptional sound isolation and comfort. Each pair is assembled and tuned in the USA, complete with a signed channel compliance chart, making them the definitive choice for audiophiles, engineers, and critical listeners demanding flawless sound reproduction.








| Noise Control | Sound Isolation |
| Sensitivity | 45 Ohm |
| Headphones Jack | 3.5 mm Jack |
| Model Name | ER4SR |
| Connectivity Technology | Wired |
| Included Components | In-Ear Monitors Detachable 1.5m cable with 3.5mm gold plated stereo jack Assortment of earplugs: 4 double flange silicone pairs: S, M, L, XL. 2 pairs of triple flanges: standard and large. and 2 pairs of foams: standard filter removal tool and replacement filters to protect BA drivers from earwax, shirt clip, zippered storage case, channel matching compliance certificate |
| Age Range (Description) | Adult |
| Material | Aluminium, Metal |
| Specific Uses For Product | Music |
| Recommended Uses For Product | 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 |
| Control Type | Volume Control |
| Cable Feature | Detachable |
| Item Weight | 0.2 Pounds |
| Water Resistance Level | Not Water Resistant |
| Net Quantity | 1.0 Count |
| Style | High fidelity |
| Control Method | Touch |
| Number of Items | 1 |
| Controller Type | Media Control |
| Audio Driver Type | Balanced Armature Driver |
| Carrying Case Material | Nylon |
| Carrying Case Color | Black |
| Earpiece Shape | Bud |
| Series number | 4 |
| Hardware Interface | 3.5mm Audio |
| UPC | 846430002012 |
| Input Device Interface | 3.5 mm |
| Generation | 2 UK |
| Supports Bluetooth Technology | No |
| Special Feature | in-ear |
| Global Trade Identification Number | 00846430002012 |
| Manufacturer | Etymotic Research, Inc. |
| Model | ER4SR |
| Model Year | 2016 |
| Product Dimensions | 81.28 x 0.64 x 0.64 cm; 90.72 g |
| Item model number | ER4SR |
| Special Features | in-ear |
| Aspect Ratio | Unknown |
| Batteries Included | No |
| Batteries Required | No |
| Cable feature | Detachable |
| Form Factor | In ear |
| Does it contain liquid? | No |
| Has Auto Focus | No |
| Includes Rechargeable Battery | No |
| Includes AC Adapter | No |
| Programmable Buttons | No |
| Country of Origin | China |
| Item Weight | 90.7 g |
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