For limited time only, save 59% on the Etymotic Research ER3XR dropping from $169.95 to $69.00 when you buy this item at Adorama.com 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

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