Description
Next-Generation Performance Monitoring
Monitor your performance with 64 Audio's next-generation universal in-ear monitors (UIEM) specifically designed for musicians and live music professionals. Whether you're just getting into monitoring with in-ears, not ready for customs, need a backup set, or simply prefer generic fitting products, the Aspire 4 offers best-in-class sound and ergonomics.
Unparalleled Sound Quality
With live music at the forefront of our tuning criteria, we aimed for a balanced sound profile that sits between a highly accurate studio monitor and a contoured device for effective self-monitoring. Aspire 4 features huge bass capable of reproducing some of the toughest frequencies with ease, forward mids for clear articulation, and a top-end sparkle that sets it apart from other UIEMs in its class. This powerful sound signature is a perfect blend of accuracy and musicality.
Proven Professional Heritage
Since 2010, we've crafted thousands of custom in-ear monitors for some of the world's greatest musical talents. This experience has shaped our products and technological advancements, leading to the creation of our most accessible UIEM to date. Sharing the same legendary DNA and patented technology, the Aspire 4 allows anyone to hear like a pro.
Innovative Technologies
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Stainless Steel Nozzle: Our stainless steel nozzle, paired with the molded ABS shell, ensures durability for consistent use and ear tip removal. The flange design and mesh grill prevent ear tips from falling off and keep the sound bore free of debris.
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Apex Core: Our patented pressure-relieving technology, integrated seamlessly into the earphone body, uses acoustic filters instead of pneumatically interactive foam to provide a controlled leak.
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Wave Guide: This custom-designed acoustic structure, integrated into the high-frequency balanced armature driver, increases efficiency by directing and focusing energy for crisp and clear sound.
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LID (Linear Impedance Design): This proprietary circuit corrects the non-linear impedances of the drivers, ensuring proper interaction with the source and preserving the desired sound signature.
Frequently Asked Questions
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How is Aspire 4 different from your other custom and universal models? Aspire 4 is not custom fitting and uses foam or rubber ear tips provided with the UIEMs. Unlike other models like U4s and Fourté, Aspire 4 has an ABS molded shell and stainless steel tip, and uses an IPX (T2) socket instead of a 2-pin socket. It does not feature tia™ technology but incorporates a unique waveguide for high frequencies.
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How does Aspire 4 differ from other four-driver models like U4s and Fourté? Aspire 4 features a 3-way crossover (lows, mids, highs) compared to the 4-way crossover in other models. It uses a revolutionary waveguide for the highs and is specifically designed and tuned for musicians and live-audio professionals.
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What does “Hybrid” mean? Hybrid refers to the use of multiple types of drivers: balanced armature drivers for mids and highs, and a single dynamic driver for lows.
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How does apex core differ from apex™ tech? Apex core achieves pressure relief using different internal structures and materials compared to standard apex tech. It is built into the earphones rather than being an interchangeable module.
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Can I use third-party tips with Aspire 4? Yes, any tips with a 5mm nozzle diameter will fit.
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If the cable fails, do I need to send the whole unit for repair? No, the cable is detachable, and you can purchase a new one from our website or any genuine estron IPX (T2) parts supplier.
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Why do I need to adjust the volume when switching to Aspire 4? Different IEM models have varying sensitivity specs, so adjusting the volume is normal and not an indication of quality or volume capacity.
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Where is Aspire 4 made? Aspire Products are designed, packaged, and quality checked by skilled technicians in the United States and assembled in China using globally sourced components.
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Let customers speak for us
The Sennheiser IE 200 delivers impressive value for the price. Comfort-wise, they’re lightweight and fit snugly thanks to the ergonomic design and included foam/silicone tips—great for long listening sessions. Build quality is solid despite the plastic housing, and the detachable braided cable adds durability. As for the sound signature, it’s balanced and clean—tight bass, clear mids, and smooth treble without harshness. Bonus points for the dual-tuning feature that lets you slightly tweak the sound. A fantastic entry-level choice for anyone looking to step into the audiophile world.
There sound is pretty good
Good quality
a very well made cable from Dunu with modular plugs and a very secure fastening system (q lock), no microphonics noted, contrary to many reports, usage : Shure se215 + 4.4 plug + Hiby r4 and it really opens up the Shures and the over ear loops are very comfortable too
This is really warm sounding as advertised. Especially vocals are more engaging. The fact that its driven by phone power doesn't affect the sound quality in anyway like in other dacs I have experienced brighter, thin sound or few peaks in upper midrange. If earphones are having good sensitivity then this dac provides good enough power. Although bit bulky build is very good. I'm sure it can withstand frequent drops also. Have not tried the filters and listening to default filter only. One thing I noticed is although on paper power output is good for 32ohm its only good at driving earphones and not headphones. Distortion kicks in when volume is increased even at high gain setting. I'm only guessing current supplying capability for dynamic driver headphones is not sufficient. Tested with 300ohm HD600.
The sound quality is so much better than any other wireless earphones
The quality of wire is superb.
The mic quality is also good.
Length and feel of wire is good. Sound quality with my Tangzu warner is excellent
Have bought this on 17 Aug 2024 and after using it for almost half a year i can surely say this is the best one in this price range...
I like how crisp and clear the audio is, also how good the IEMs respond to EQing, which unlocks a lot whole lot of possibility
Recently bought this after seeing some positive reviews
Fit:
Unlike many reviews which talks about it's fit issue, it's a wonderful fit for me with the stock large size narrow bore tips. I usually go for medium or small size silicone tips but for this one large one fitted well. i guess large size long stem eartips fits well with this iem.
Sound:
Vocals and string instruments sounds forward but never thin or sharp or fatiguing and has a sweet timbre. I guess it's due to its thick note weight and the quality of dynamic driver.
Bass in general is good. But i would prefer little bit more sub bass quantity. Also prefer the bass to be a bit tighter. Not too tight as i am not a fan of too tight bass. Basically here bass decay is slow and i would prefer it to be moderate.
Treble has just enough energy and details but relaxed.
Overall it sounds very nice with a pleasant timbre.
Note that i replaced the stock cable with fiio ls-b 4.4 mm cable.
Great set to start your tip rolling journey!
Got the delivery under 24 hrs.
This is wonderful product and quality is great. Very good working with mic.
And support samsung s22 ultra.
The Moondrop Blessing 3 is a hybrid IEM with excellent performance and a largely neutral sound signature with a slight bass boost. It offers impressive detail retrieval, resolution, and instrument separation for its price.
Pros:
* Excellent detail and clarity: It reveals subtle nuances in music.
* Balanced sound: Largely neutral with a well-controlled bass that doesn't bleed into other frequencies.
* Good technicalities: Strong imaging and separation of instruments.
* Comfortable for wearing for long periods
* Solid build quality
Cons:
* Fit can still be an issue for those with smaller ears.
* The cable could have been better.
Overall an excellent IEM for me.... Well done Moon drop!!!
The KZ ZSN Pro 2 offers exceptional sound quality at an affordable price. With a hybrid driver setup (1 dynamic + 1 balanced armature), it delivers a punchy V-shaped sound signature with deep bass, clear mids, and sparkling highs. The soundstage is surprisingly wide with good instrument separation and imaging. Build quality is solid, featuring metal faceplates and a comfortable, ergonomic design. While the cable and accessories are basic, the overall performance makes the ZSN Pro 2 a fantastic value for budget audiophiles.
Yes it is very comfortable 👍
