ASK AN EXPERTDescription
- For music lovers and hi-fi enthusiasts who want uncompromising accuracy in the midrange and high frequencies
- Sleek, anodized and laser-etched aluminum body to the reinforced
- Balanced-armature drivers are precision-matched and custom-tuned to within an industry leading 1dB across frequencies from 100Hz to 10KHz
- Incorporates the stringent channel-matching standard
- Unsurpassed frequency response accuracy and sound quality, 92%+ response accuracy from 20 Hz – 16 kHz
- Highest output sensitivity in its class
- An assortment of noise-isolating eartip options to ensure proper seal and comfort
- 98% (35 dB - 42 dB) noise isolation, highest of any earphones or headsets on the market today
- Reduction of outside noise reduces the risk of listening at unsafe levels
- User-replaceable filters protect the balanced-armature drivers from ear wax
ER 4SR is Etymotic's new reference standard in-ear monitor for those who demand nothing less than the highest fidelity. The next generation of our long revered flagship earphone, the ER 4S, the ER 4SR delivers increased accuracy with greater sound output, or sensitivity. Like its predecessor, the ER 4SR channels are matched to within an industry-leading 1dB across frequencies from 100Hz to 10kHz. The new ER 4SR incorporates a sleek, anodized and laser-etched aluminum body and reinforced user-replaceable detachable cable. The ER 4SR is a must have for discerning engineers, audiophiles, and consumers wanting the most accurate in-ear monitor available. Included with every pair of ER 4SR in ear monitors is an industry-exclusive channel matching compliance graph signed by the Etymotic engineer who precision matched and custom tuned the balanced-armature drivers.
Warranty Information
| Frequency Response | 20 Hz - 16 kHz |
| Transducers | High performance, balanced armature micro-drivers |
| Noise Isolation | 35-42 dB |
| Impedance (@1kHz) | 45 Ohms |
| Sensitivity (@1 kHz) SPL at 0.1v | 98 dB |
| Maximum Output (SPL) | 122 dB |
| Cable | 5 ft Detachable |
| User Replaceable ACCU-Filters | Yes |
| Warranty | 2 Years |
