Ultimate Ears 400
These stylish, noise-isolating earphones deliver a detailed and immersive sound stage in a comfortable micro design. And the flat cable doesn't tangle, saving time and eliminating hassles.
Ultimate acoustics
Tuned by the same engineers who make the custom earphones preferred the world's top touring musicians—for professional sound.
Detailed and immersive sound stage
These earphones create a refined, detailed sound stage with high-quality, single-diaphragm speakers tuned to deliver crisp highs, warm mids and powerful bass.
Sleek, micro design
These small earphones sit flush with your ears—for a stylish look that's comfortable and unobtrusive.
Five sizes of soft ear cushions
With five pairs of soft silicone ear cushions from XXS to L, you won't have to worry about getting the right fit—even if you've got small ears.
Noise isolation
Noise-isolating Comply™ Foam Tips help seal out background noise, so you can listen to your music—not the guy next to you.
No-tangle cord
Saves time and eliminates the hassle of untangling your cord every time you want to listen to your music.
Protective case
The pocket-ready hard case keeps your earphones safe while you're on the go and can even attach to a keychain for extra convenience.
Ideal for audio
Your earphones work with iPod®, portable music players, DVD players, handheld games and laptops with a 3.5 mm jack.
Technical Specifications
Impedance: 16 ohms, 1 kHz
Sensitivity: 105 dB SPL/mW, 1 kHz
Frequency response: 20 Hz–17 kHz
Connector: 1/8 inch (3.5 mm)
Noise isolation: 26 dB
Package Contents
Earphones
Protective hard case
Five pairs of soft ear cushions (XXS, XS, S, M, L)
1 pair of Comply™ Foam ear cushions
User documentation
Warranty Information
2-year limited hardware warranty