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Description
Kinera Celest CD-2 CX31993 Portable DAC/AMPFeature: CX31993 High performance DAC; Maxim MAX97220 Power Amplifier Stage; 32bit 384kHz PCM Lossless Music Decoding; Independently Developed Integrated PCBA; Equipped with 3. 5mm + 4. 4mm Interfaces; Supporting UAC2. 0; Integrated Zinc Alloy Casting Shell; Ultra small, Low Heat Generation, Low Power Consumption. The high performance CX31993 DAC provides reliable support: The Celest CD 2 features the Conexant CX31993 high perf. DAC chip, offering up
Feature:-
CX31993 High-performance DAC;
Maxim MAX97220 Power Amplifier Stage;
32bit/384kHz PCM Lossless Music Decoding;
Independently Developed Integrated PCBA;
Equipped with 3.5mm + 4.4mm Interfaces;
Supporting UAC2.0;
Integrated Zinc Alloy Casting Shell;
Ultra-small, Low Heat Generation, Low Power Consumption.
The high-performance CX31993 DAC provides reliable support:-
The Celest CD-2 features the Conexant CX31993 high-perf. DAC chip, offering up to 124 dB SNR and 111 dB dynamic range, with stronger analysis and lower distortion. Supporting 32bit/384KHz PCM decoding, it delivers lossless HIFI sound with rich details and strong energy, ensuring users a high-quality audio experience. (The above data are sourced from the typical values of the Conexant CX31993 chip solution, and there may be deviations in actual use.)
The headphone amplification chip and HIFI-level power amplifier unleash the potential of headphones:-
Celest CD-2 has the US Maxim MAX97220 power amp chip. With CX31993 DAC chip decoding & pre-amp output plus MAX97220's post-amp output,it provides a powerful driving force for your headphones.
Celest independently develops the integrated PCBA mainboard:-
Its audio team rejected the common public version plan, redesigned PCB circuit layouts, and adopted Hifi-level partitioned isolation architecture. From power supply, digital signal input, DAC to AMP , all parts are laid out separately. Optimized peripheral filtering components, circuit layout and shielding design effectively isolate external electromagnetic interference, reducing noise and static.
Precision craftsmanship creates a tough look:-
The Celest ID design team uses tough, angular lines and broken lines as the main design language, unlike the traditional smooth and soft style. They use the zinc - alloy casting process to form the shell integrally and then apply a multi - layer baking varnish surface treatment to create a personalized mecha style.
Optimize local details for easy plug:-
Specifically tailored for the renowned mobile phone case brand CASETiFY, this product is customized based on the thickness of CASETiFY phone cases and the dimensions of their openings. It is designed to achieve maximum compatibility with the interfaces commonly available in the market, significantly enhancing the adaptation rate while ensuring that the ease of plugging and unplugging remains uncompromised.
The Celest CD - 2 features 3.5mm and 4.4mm interfaces:-
It's compatible with most common headphone plugs and can power most portable headphones/earphones, catering to diverse daily needs.
Note: It is prohibited to insert both the 3.5mm and 4.4mm interfaces into the headphones for use at the same time.
Enjoy music on the go – your pocket music companion:-
The Celest CD-2 is compatible with multiple systems, supporting Windows, Mac OS, Android, and iOS. With a single device, it can achieve audio decoding for devices such as mobile phones, computers, tablets, and game consoles, allowing you to enjoy high-quality music anywhere and at any time.
Low Power Consumption and Stable Heat Dissipation for an Uninterrupted Listening Experience:-
The built-in low-power consumption power management chip provides power support for the Hifi sound quality, which can reduce the power consumption of the front-end devices to a greater extent.
With high-performance capabilities and low heat generation, it won't overheat even during long periods of use.
Product Information:-
Brand: Celest
Model: CD-2
Colors: Gunmetal Gray / Army Green
Weight: 21g
Headphone Interfaces: 3.5mm + 4.4mm
SNR: 124dB
Dynamic Range: 111dB
Distortion: -95dB
Frequency Response: 20Hz ~ 40kHz
Output Power: 140mw @ 16Ω, 60mw @ 32Ω
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 2326 reviews
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Product Reviews
★★★★★ 5
Adds comfort and support
Color: Green, Size: Twin
I’ve been using this bamboo mattress topper for a couple of weeks now, and it completely changed the feel of my bed. My mattress was starting to feel too firm and uncomfortable, especially on my lower back and shoulders, but this topper added the perfect amount of cushioning without making the bed feel overly soft or saggy.
The cooling effect was one of the biggest surprises. I tend to sleep hot and usually wake up sweating during the night, but the bamboo-derived fabric feels breathable and much cooler than regular mattress pads I’ve owned before. It stays comfortable throughout the night and doesn’t trap heat like memory foam toppers sometimes do.
I also really appreciate the waterproof protection. It gives peace of mind without feeling stiff or making that annoying crinkling noise some waterproof covers have. The surface still feels soft, plush, and smooth. It honestly feels more like a hotel-style pillow top than a basic mattress pad.
The thickness is just right for pressure relief. It helped reduce the soreness I usually wake up with in my back, and I’ve been sleeping much more comfortably overall. The deep pockets also held securely on my twin mattress and didn’t slide around, even after moving a lot during sleep.
Another thing I liked was how fluffy and well-made it looked right out of the package. After letting it expand for a bit, it became nicely plush and evenly padded. The stitching seems durable, and it still looks great after washing.
If you’re looking for a softer, cooler sleeping surface with added waterproof protection and better support for aches and pains, this mattress topper is definitely worth it. It made my bed feel newer and far more comfortable without needing to buy a whole new mattress.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
BDEUS Twin Mattress Topper, So Soft
Color: Green, Size: Twin, Color: Green, Size: Twin
Having purchased BDEUS products in the past, I was very looking forward to ordering the mattress topper made of viscose (a material derived from bamboo) just to see (and feel) the benefits of the material.
My concern about the material, viscose derived from bamboo, is that the process to manufacture the material can be chemically intensive leading to harsh smells. I can say the topper has no off-putting smells. The quality of the manufacturing is present as there are no loose threads/seams, the material has no defects, and the print is uniform. The use of the material also leads to increased durability while enhancing the topper’s breathability and cooling properties.
The topper is fitted meaning the topper will not come off the mattress very easily (even though you may need sheet straps if you are a wild sleeper). But the softness is wild, I mean this has to be one of the softest materials I have felt, and it feels very luxurious. Waterproofing and moisture-wicking is also a benefit as small spills are not absorbed into the fabric.
The topper is also very thick and plush, and while the product listing touts “Back Pain Relief” it may be too soft depending on how firm, or soft, you prefer your mattress. I have to say this is definitely a five-star offering from BDEUS. This topper is for my daughter but I’m going to order a queen-sized topper for my bed as the price is just right.
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Reviewed in the United States on May 14, 2026
★★★★★ 4
Definitely not cooling but comfortable
Color: Dark Grey, Size: Queen
Definitely makes my mattress more comfortable. Not finding it very cooling! Came quickly and arrived intact
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Reviewed in the United States on May 20, 2026
★★★★★ 5
This topper has definitely provided me with better, more comfortable sleep.
Color: Green, Size: Twin
I recently tried a twin mattress topper made from bamboo-derived viscose, and I'm quite impressed. The topper is thick, waterproof, and offers excellent comfort, especially for those who struggle with back pain or sleep hot. The bamboo and polyester blend gives it a soft, cooling surface that's perfect for a restful night's sleep without the sweaty feeling often associated with memory foam.
What I really appreciate is its dual function. It's breathable, allowing for good air flow, and fully waterproof, which helps keep the mattress underneath safe from spills. This is especially useful if you have kids or pets.
The topper's thickness is just right—it provides great support without feeling too soft or too firm. It cradles pressure points well, offering relief to my hips, back, and shoulders.
The fluffy filling holds up well over time, maintaining its softness and support. It fits securely on mattresses, thanks to a deep pocket skirt that prevents any sliding or bunching. This topper has definitely provided me with better, more comfortable sleep.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Soft and comfy
Color: Green, Size: Twin, Color: Green, Size: Twin
This mattress pad is much thicker and fluffier than the one I had before. With I took it out of the package, it was vacuum sealed with a note saying to leave it out in the sun for 48-72 hours or fluff it up with a hair dryer. I put it in the dryer on medium heat, which worked nicely. The pockets are really deep on this mattress pad and it fits snug. You don’t really see the shape with a sheet on top. It feels comfortable laying on top of it. It doesn’t flatten much when I’m laying down, but I imagine over time it will lose fluffiness. Overall it’s comfortable and breathable.
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Reviewed in the United States on May 31, 2026
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