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Etymotic Research ER3XR Extended Response Earphones

About Etymotic Research ER3XR

The pictured Etymotic Research ER3XR drops from $169.95 to $79.00 at Adorama and Shipping is free!

The ER3-XR Extended Response offers a modest bass boost, building on the sound quality of the ER3-SE, while providing a slight bass boost for those listeners that prefer a stronger low end response.

Best-in-Clas
No compromise, high-performance noise-isolating earphones that deliver best-in-class benefits and superior value, perfectly matched to the latest product innovations from most music players that support a 3.5-mm stereo phone plug.

Studio Grade Accuracy
• 85%+ response accuracy from 20 Hz - 15 kHz
• Achieves highest output sensitivity in its class with 102 dB SPL sensitivity at 1 kHz at 0.1 mV
• Accu Driver high performance, precision matched, balanced armature drivers

Noise Isolation
• 35 dB - 42 dB noise isolation
• Documented highest noise isolation of any earphones or headphones on the market today

Etymotic Research ER3XR Features

• Precision machined metal bodies with anodized finish
• Assortment of noise-isolation eartips ensures proper seal and comfort
• Detachable, 4ft. cable allows for easy replacement
• Reinforced cable for durability
• User-replaceable filters that protect the balanced armature drivers from ear wax

What's in the box: