Acoustune HS1650CU
Best in-ear monitors for audiophiles seeking exceptional clarity and soundstage.
Discover the Acoustune HS1650CU, an evolution in in-ear monitor headphones. These headphones boast a distinctive metal shell, expertly crafted from brass for the chamber and aluminum for the housing, ensuring exceptionally clear and crisp audio reproduction. At their core, a revamped fourth-generation Myrinx diaphragm membrane elevates sound resolution and broadens the soundstage. The design thoughtfully separates the acoustic chamber and connector parts to minimize interference, delivering pure sound. A newly designed, silver-coated MMCX re-cable with an 8-core configuration further refines the listening experience. Crafted in Japan, these headphones offer a premium audio journey.
$579.99
Owner Satisfaction
4.6
/ 5
Category Rank
443
/ 5783
#443 in Headphones
Price vs Category Average
-1%
Below average
Driver
10
/ mm Myrinx Dynamic Type
Who it's for
- Audiophiles seeking premium materials and long-term durability
- Listeners who prefer warm, textured, and fatigue-free sound signatures
- Commuters needing a secure fit for extended listening sessions
Who should skip it
- Users who prefer the convenience of standard aftermarket cable options
- Listeners sensitive to earphone weight during long sessions
- Travelers requiring maximum noise isolation in loud environments
Performance breakdown
Acoustic Resolution
The fourth-generation Myrinx diaphragm extracts remarkable detail from complex musical arrangements.
Build Integrity
Precision CNC-milled brass and aluminum create a robust, resonance-free acoustic chamber.
Soundstage Depth
Spatial imaging feels expansive, providing an immersive sense of instrument separation.
Signal Purity
Separated acoustic and connector chambers effectively eliminate unwanted electronic interference.
Cable Performance
The 8-core silver-coated cable ensures clean signal transmission with minimal resistance.
Drive Efficiency
High sensitivity allows these monitors to perform well with most portable sources.
Key Specs
Driver
10mm Myrinx Dynamic Type
Impedance
24Ω
Sensitivity
110dB/mW
Frequency Response
10Hz - 25KHz
Cable
1.2m MMCX Silver-coated 8-core
Plug
3.5mm L-type gold plated
Shell Material
Brass chamber, Aluminum housing
Made in Japan
Features
- Unique brass and aluminum metal shell design
- Enhanced sound resolution with Myrinx diaphragm
- Minimized interference for pristine audio
- Premium 8-core silver-coated MMCX cable
- Precision CNC milled construction
- Exceptional clarity and crisp sound
- Expanded soundstage for immersive audio
- Durable and aesthetically pleasing build
What customers say
The Acoustune HS1650CU earns high marks for its impressive build quality and distinctive industrial design. Crafted with a brass inner chamber, it offers a luxurious and durable feel. Despite its bold appearance, users report a surprisingly comfortable and ergonomic fit, even during extended listening periods. This model expertly blends artistic vision with functional engineering. The premium materials and meticulous craftsmanship clearly justify its status as a worthwhile investment for discerning audio enthusiasts seeking a high end listening experience.
Know before you buy
The combination of a brass chamber and aluminum housing is designed to reduce unwanted resonance and interference. This structural approach helps maintain audio purity and contributes to the headphones' overall clarity.
This updated diaphragm technology improves sound resolution and expands the soundstage. It allows for a more immersive experience by providing better separation and detail across the frequency range.
Yes, these headphones feature a detachable MMCX connection. The included 8-core silver-coated cable can be easily swapped out if you prefer a different cable or need a replacement.
With an impedance of 24Ω and a sensitivity of 110dB/mW, the HS1650CU is relatively easy to drive. You should be able to achieve good volume and performance directly from most standard smartphones or portable digital audio players.
The HS1650CU is tuned for clarity and crispness. Because of the metal construction and the Myrinx driver, you can expect a precise, high-resolution sound that favors detail and an open, spacious presentation.
The cable terminates in a standard 3.5mm L-type gold-plated plug, which is compatible with most standard headphone jacks and portable devices.
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$580