Etymotic ER4-SR Studio Earphones

Full Description

In The Box

• Earphones
• Small eartips
• Large eartips
• Foam eartips
• 1/4'' stereo phone adapter
• Filter removal tool and replacement filters
• Storage case
• Shirt clip

Best Noise Isolation

Drowning out background noise is no problem. The ER4-SR Earphones offer 35dB - 42dB (98 percent) noise isolation so you can block out the background noise, and sit back, relax and enjoy your music in peace without needing to listen at dangerously high levels. Amazingly, the ER4-SR Earphones are documented as the highest noise isolation of any earphones or headphones on the market today. The ER4-SR Earphones ensure a proper seal, which means you are able to listen at lower levels, saving your ears. With a proper seal and noise isolation, it means you won't need to turn the volume up to compensate for the background noise, letting you listen at safer levels.

Studio-Grade Accuracy

The ER4-SR Earphones produce studio-reference sound, providing the highest output sensitivity in its class. Hear the thick, pumping bass, engaging mids, and smooth, crystal clear highs with the ER4-SR earphones. They produce the world's best response accuracy (92 percent), letting you hear everything clearly, making them the most accurate in-ear earphones on the market that delivers a flat response across all frequencies. The ER4-SR are the first earphones to feature balanced armature, precision-matched, custom-tuned drivers that deliver high-definition sound, making them ideal for not only listeners, but sound engineers and musicians as well.

Comfortable & Durable

Stay listening to music day in and out. The ER4-SR Earphones feature a reinforced cable for extra durability, while the noise-isolating eartips ensure a proper seal and comfort, allowing you to wear them for hours without irritation.

Included Accessories

Etymotic provide you with a range of accessories to get the best out of the ER4-SR Earphones. There are three eartips included, providing you with small and large sizes, as well as foam tips so you can find the one that is comfortable for you. Conveniently, the zippered storage case allows you to protect the earphones when not in use. For DJs, there is also a 1/4'' stereo phone adapter that allows you to plug into an array of mixers.

Features

• Engineered for safe sound output
• High-definition sound quality
• 92 percent response accuracy
• 35dB - 42dB noise isolation (98 percent) highest of any earphones or headphones on market today
• First earphones to completely seal the ears (listen at lower volumes without needing to compensate for background noise)
• Only earphones with balanced armature, precision-matched, custom-tuned drivers
• Highest output sensitivity in its class
• Professional quality and reliability
• Precision machined metal bodies with anodized finish
• Detachable, reinforced 5ft cable allows for easy replacement
• Assortment of noise-isolating eartips to ensure proper seal and comfort
• User-replaceable filters that protect the balanced armature drivers from ear wax
• Includes eartips that seal even the smallest ears

Specifications

• Frequency Response: 20Hz - 16kHz
• Transducers: High performance, balanced armature micro-drivers
• Noise Isolation: 35 - 42dB
• Impedance (@1kHz): 45 ohms
• Sensitivity (@1kHz) SPL at 0.1v: 98dB
• Maximum Output (SPL): 122dB