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Loading... Please wait...Delivering maximum noise isolation for a superior audio experience, Isolation T-400 tips are engineered with super soft memory foam that gently seals the ear canal, providing amazing comfort and a stay-in-ear fit — so you hear music the way it was meant to be heard.
Superior audio experience: These tips create an optimal seal and channel sound directly into the ear canal, transforming your listening experience from ordinary to extraordinary.
Secure fit: Expanding to fit the ear canal’s unique shape, these tips give you a custom fit and remarkable in-ear retention, so your earphones remain secure without irritation and fatigue.
Blocks noise: These tips allow you to enjoy your music in noisy environments without raising the volume.
Soft comfort: The unique memory foam provides all-day comfort, while eliminating in-ear irritation and fatigue often associated with stock silicone tips.
// Learn more about the technology
Specifications
Colors: Platinum, Black, Red, Blue
Height:
Small / Medium / Large: 10.67 mm ± 0.65 mm (0.420" ± 0.025")
Diameter at proximal end (end attaching to device):
Small: 10.67 mm ± 0.50 mm (0.420" ± 0.020")
Medium: 12.45 mm ± 0.50 mm (0.490" ± 0.020")
Large: 13.97 mm ± 0.50 mm (0.550" ± 0.020")
Materials: Polyurethane foam, thermoplastic elastomer (all RoHS compliant)
Inside Diameter of Core: Depends on earphone design. Several stock sizes available.

T-400 Compatibility
Showing reviews 1-10 of 26 | Next
Posted by Unknown on 14th Dec 2012
Nice step up from the S400s, which were a bit scratchy on the ear canal. These are not scratchy at all and are even better at isolating sound. Would buy again.
Posted by Unknown on 1st Nov 2012
I love these tips for fit and comfort and sound and they stay in my ear... Sometimes too long. After I use the same ones for a couple of months they begin not to stay with the earbud when pulling them out of my ear. Freaked me out the first time, but now I just pull it out with tweezers when it happens. If I pop on a new pair of Complys, they work fantastic again. I'm not sure what causes this but I am buying a new set because I do love them until they decide to stay in my ear and not on my bud.
Posted by Ed M on 27th Aug 2012
Bought these to replace the cheapo plastic that came with my BlackBerry wired earpiece. Very comfortable fit and the ear-bud stays in place in my ear. These tips securely fasten to the ear-bud so there is no risk of losing them because they accidently came off the ear-bud.
Posted by Jonathan See on 8th Aug 2012
Wow! Now this is the best add-on to truly enjoy earbuds. Better isolation & noticeable bass improvement. Why spend for more expensive IEMs? The T-400s will do the trick quite nicely. Thanks again, Comply.
Posted by Hani on 4th Aug 2012
Good quality product, had to replace original tips of my mp3 player and someone recommended these, they fit well, a lot better than using plastic tips.
Posted by bignickrx on 10th Jul 2012
The Beats Tour includes several different silicone ear bud tips to choose from. I was unsatisfied with all of them until I tried the Comply Foam T400 tips. With the silicone tips, I could hear my room mate watching a movie across the hall and his dog barking outside. Now I can only hear my music. The sound quality of the Beats Tour seems to be greatly improved as well. I have not tried them in the gym yet, but I did try to shake my head to make them fall out. They remained in place. Now I am ordering more. I'm glad they were included with the Beats Tour or I might not have found this company.
Posted by Sarah on 13th Jun 2012
I've never been able to wear earbuds. I would try from time to time, when I'd find a nice set on sale, but they'd either fall out or they'd create a suction in my ears that would make me dizzy.
When I first found Comply, I'd recently bought a really surprisingly nice sounding set of earbuds on sale for dirt cheap (AT CK6W, they're not on the list but I figured they'd fit, and they do), and while they fit better than some and I could wear them for short periods of time, they too were making me quite dizzy. I decided to give the S-400s a try, since I've had marginally better luck with foam tips in the past, and I really wanted to be able to use these buds. I was thrilled with the tips. They were a little scratchy, but they were porous so they didn't make me dizzy, and they'd stay put. And I've worn them to death.
Yesterday I picked up a pack of the T-400s, mostly because they are the only kind available to me locally. But they're so much better than the S-400s. They are really soft, way softer than the others, not at all scratchy, and put even less pressure on the inside of my ears. Plus they really do improve the sound quality significantly. I will never go back, I will buy these forever.
Posted by David on 3rd May 2012
I was given a pair of iBeats as a graduation present. After already have a pair of Etymotic HF-3s and knowing how certain music should sound, I was disappointed in the iBeats. The problems, I found, were that the iBeats didn't block outside noise enough and refused to stay in my ears while at the gym or while running. After finding these online, I figured that I would give them a shot.
When they arrived, I fitted them on my iBeats and was blown away at how good the range and response actually was on these earbuds. The earpieces also stay in my ears on runs and are surprisingly comfortable.
Monster could learn something from this. While the iBeats are still nowhere near my HF-3s as far as total sound quality, they are now worth the money.
I just ordered a set of tips for my HF-3s. If they make those sound better, I'll probably collapse.
Thanks, Comply!
Posted by Unknown on 26th Mar 2012
These are probably the best in-ear phone tips ever.
Ultra-comfortable, fits well, enhances the listening experience and you don't have to go loud when you use, yet you get all the details even in noisy environments.
Also have to mention the company has the best customer care i have ever experienced. Thanks all the way from Finland...
Posted by Unknown on 22nd Mar 2012
They are the best! they are so comfortable in your ears, recommend!
Showing reviews 1-10 of 26 | Next