$250 (got mine 10% off from a promo code on theheadphonelist.com but it was only valid for 2014)
- 2 Balanced armature Drivers
- 1 Bass Driver
- 1 High Frequency Driver
- 1 sound bore
- 2way Passive cross over
- Sensitvity 115 dB
- Impedance 47 ohms
- Hardwired cable
- Choice of Canal or Fullshell style
Specs, info, response and THD curve:
Bought these December 4th, 2014 from Mike Martinez (Perfect Seal Inc.) after hearing about it from ljokerl. The company isn't that well-known in the audiophile world but they have "over 15 years" of experience in providing custom in-ears for musicians.
Build, design
Solid. Cable is non-removable.
Comfort
Very comfortable.
Isolation
I can't hear anyone nor anything, while music is playing. But obviously, I can hear faint outside noise when there's music passages at near null volume or with low activity in the FR.
Accessories
A unique purple case with the company's logo for carrying the iem. Sealed tight. Also comes with a cleaning tool.
Sound
presentation: Dynamic and huge soundstage for an iem. I'd recommend it as a top choice for all popular genres; there may be better choices for acoustic music but it still sounds great in this subset to my ears. It's fun but transparent enough to let you know what you're listening to; e.g. crap recordings will sound like crap. Persistent hiss in a track is heard instantly, music with too much treble will sound like it, etc.
Also, it responds well to parametric EQ.
Bass: My favorite part of the FR, hands down. Has a dedicated woofer for the LF so it's placed perfectly apart from the rest of the frequency response and is very powerful. It's punchy, precise and with excellent extension; you can feel it. Capable of producing earthquakes in your ear canal with some parametric EQ -- I currently have a +6 dB low shelf filter @ 50Hz. Pretty incredible for dual balanced armature drivers.
Midrange: It is full, warm and euphonic in feel.
Treble: Natural sounding overall but slight hump in the high mids/low treble emphasizes hard consonants in vocals (without sounding sibilant) and so detail level perception is raised as well . Lacks ultimate extension in the high frequencies to represent the best sense of reality but still, very easy to enjoy and it forms a coherent whole with the rest of the FR;.
Hardware matchability
Samsung Galaxy S3: sounds very good straight from it and almost like on my main setup but hardware hiss is noticeable (not really while music is playing though) and it's thinner sounding. Still, blissful listens while commuting.
Beresford Bushmaster MKII, Beresford Capella (pre), Gustard H10: Incredibly deep holographic stage depth, sounds huge for an iem. Transparent presentation in accordance with the above sound descriptions (presentation, bass, mids, treble).
Conclusion
Highly recommended at this price point for a potentially addicting (if you can dig it), dynamic, impactful and transparent, great sound that can be driven from anything. Perfect fixture on public transit or a plane.
Value: 5/5
Audio Quality: 4.5/5
Design: 5/5
Comfort: 5/5
Isolation: 5/5
*Note: 5/5 doesn't mean perfect, I don't used terms like that to refer to technology. It just means I can't imagine it any better.
Overall rating is just based on sound.
