ddHiFi Memory AL4.4 Retro Planar IEM
The Memory AL4.4 pairs a 13mm annular planar driver with an exceptionally compact enclosure, an ambitious design that gives this retro-styled IEM genuine engineering appeal. Head-Fi highlights the achievement of fitting such a substantial full-range driver into such a small housing, making it a distinctive prospect for planar-IEM enthusiasts.
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Kinda Soggy
Sound Quality
50/100
Fit Comfort Isolation
50/100
Build Accessories
55/100
Value for Money
85/100
Pros
Unusually compact housing for a 13mm full-range annular planar driver.
Ambitious annular planar-driver implementation stands out as an engineering achievement.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 50/100
The supplied review material identifies the 13 mm annular planar driver but offers no listening impressions. There is therefore no reviewer evidence here on its tuning, detail, staging, or dynamic performance.
Bass
50/100
The review does not describe sub-bass extension, bass quantity, impact, texture, or control. Driver size and type alone do not establish bass performance.
Midrange
50/100
No supplied listening comments address vocal placement, timbre, body, or instrumental texture. The midrange presentation is not documented in the available review extract.
Treble
50/100
The available material contains no comments on treble smoothness, extension, air, sibilance, or fatigue. Treble behavior cannot be assessed from the driver description.
Resolution Separation
50/100
Reviewers provide no observations about microdetail, layering, congestion, or separation in dense mixes. The planar-driver specification is not evidence of resolving ability by itself.
Soundstage Imaging
50/100
The supplied extract does not discuss stage size, depth, image placement, or positional precision. There is no direct spatial-performance evidence available.
Dynamics Coherence
50/100
No reviewer comments address transient attack, macro- or micro-dynamics, rhythmic drive, or overall driver coherence. The available material is silent on this aspect.
FIT COMFORT ISOLATION PERFORMANCE 50/100
The review notes that a large 13 mm driver has been fitted into a very small enclosure, but does not report actual wearing comfort, seal consistency, or isolation. Real-world fit will depend on shell geometry and listener anatomy, neither of which is evaluated in the supplied material.
Seal Stability
50/100
The compact enclosure is noted, but the reviewer does not say whether the IEM achieves or retains a reliable seal. There is also no report of fit-related bass changes or tonal inconsistency.
Comfort
50/100
The review calls the enclosure tiny, which may be promising for fit, but provides no direct experience of pressure points or long-session wear. Comfort remains undocumented in the supplied extract.
Isolation
50/100
No passive-isolation observations are included. The review does not establish how well the IEM reduces outside noise in everyday use.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Accessories
55/100
The review highlights the engineering challenge of packaging a 13 mm full-range annular planar driver in a tiny enclosure. Beyond that observation, it provides no direct assessment of shell finish, cable handling, connectors, tips, case, or long-term durability.
Value for Money
85/100
At $159.99, the Memory AL4.4 sits in a competitive mid-priced IEM market. None of the supplied review material weighs in on its value against similarly priced alternatives.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
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Manufacturer's Description — ddHiFi
Crafted from lightweight aviation-grade aluminum alloy,it offers a stress-free fit that minimizes ear fatigue.
The Memory 4.4 features a revolutionary 13mm ultra-linear,full-range annular planar unit.
Crafted from premium microfiber leather and equipped with YKK zippers,the interior features dedicated compartments to keep the left and right metal earpieces separated.
Verified Dealers
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Authorized dealers for ddHiFi Memory AL4.4 Retro Planar IEM
- Akalın Muzik Ltd. — in-store — İstanbul, Turkey (website)
- Audio 46 — online and in-store — New York, New York, United States (website)
- Audio Concierge — online and in-store — England, United Kingdom (website)
- Audio essence — online and in-store — Zürich, Zürich, Switzerland (website)
- Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)
- AUDIOPHONICS — in-store — Bordeaux, Nouvelle-Aquitaine, France (website)
- AV ONE — online and in-store — Singapore, Singapore (website)
- BAY BLOOR RADIO — online and in-store — Toronto, Ontario, Canada (website)
- Bloom Audio — online and in-store — Gibbsboro, New Jersey, United States (website)
- Headphone Zone — online and in-store — Laxmi Industrial Estate, Maharashtra, India (website)
and 8 more verified dealers