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Description
HiBy R6Pro MAX Hi-Res Lossless Portable Music Player
Unleash the ultimate in high-fidelity audio with the HiBy R6Pro MAX, a portable music player designed for audiophiles who demand perfection. Packed with cutting-edge technology and masterful engineering, the R6Pro MAX sets a new benchmark for portable hi-res audio players.
Full-Blooded 8-Way I/V Amplification for Unmatched Audio Precision
Experience true-to-life sound with 8-way independent I/V (OPA1612) amplification. This innovative design unlocks the full potential of its high-performance DACs, delivering flagship-grade audio clarity and precision.
Crafted with Solid Analogue Build Quality
Handpicked OPA1622 op-amps and ELNA electrolytic capacitors imbue the audio circuitry with tube-like warmth, ensuring detailed, natural, and analogue-rich sound reproduction.
Four-Way Independent Power Supply for Pure Sound
Engineered by experts with 30+ years of power supply design experience, the R6Pro MAX isolates power for DAC, I/V, LPF, and output stages using independent supplies. This reduces interference, ensuring unparalleled audio purity and stability.
Low Distortion, High Power Output
Achieve ultra-low distortion (0.0003% THD) even at high gain, with a powerful 678mW output that ensures crisp, dynamic sound across all frequencies. Perfect for driving high-impedance headphones with ease.
Hexagonal Warrior Sound Performance
Whether you crave deep bass, expansive soundstages, or precise imaging, the R6Pro MAX excels in every aspect. Its highly adaptive sound ensures a flawless experience across genres and devices.
Precision Timing with NDK Femtosecond-Grade Oscillators
Dual audio oscillators dedicated to 45.1584MHz and 49.152MHz ensure low jitter and phase noise, providing lifelike details and enhanced spatiality, even in complex musical passages.
HiByOS Powered by Android 12
Enjoy a seamless experience with HiByOS, designed for professional-grade music playback. Its system-wide SRC bypass ensures pure audio fidelity while supporting third-party apps and multitasking.
Industry-Leading DSD1024 and PCM 768kHz/32bit Decoding
Support for DSD1024 and PCM 768kHz/32bit guarantees the highest resolution audio, capturing every detail with breathtaking realism. Rediscover your music with unparalleled clarity and depth.
MQA 16X Unfolding for Studio-Quality Audio
The HiBy R6Pro MAX delivers MQA 16X unfolding, restoring the original soundstage and depth of recordings. Whether it’s jazz, classical, or pop, your music will feel more alive than ever.
Futuristic Artistic Design
The R6Pro MAX features a stunning back panel design, blending futuristic art with premium craftsmanship. Aluminium waves meet a golden shoreline under a starry carbon sky, creating a visual masterpiece.
HiByCast Remote Control
Control the R6Pro MAX effortlessly via the HiByCast app on your smartphone or tablet. Manage playback, apps, and settings remotely, turning your player into a versatile digital transport.
Comprehensive Connectivity
With true line-out, coaxial digital output, and USB DAC functionality, the R6Pro MAX integrates seamlessly into your home HiFi setup. Two-way Bluetooth 5.0 with hi-res codecs (UAT, LDAC, aptX HD, AAC, SBC) ensures stellar wireless audio.
Redefine your listening experience with the HiBy R6Pro MAX—a portable music player that combines artistry, innovation, and flagship-level audio performance.
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Sounds melodic and the plugin system is icing on the cake. Though it’s on the thicker/heavier side, the performance payoff makes it worthy.
If my current HiBy R6 III (Gen 3, ESS) is compared to driving a BMW, the R6Pro MAX is a Rolls Royce.
It is easy, smooth, and suave. It doesn’t make a big deal of representing a soundstage that’s exactly studio-like. Natural, not heavy on any particular frequency (do not expect heart thumping bass) and extremely coherent. It’s like you’re sitting in front of the artists themselves, in a studio, with a performance made just for you alone. Each frequency - the lows, mids, highs and everything else in between - are effortlessly detailed and precise.
All IEMs I have tried with it, i.e. the 64 Audio Volür, Symphonium Meteor, Penon Quattro and Kiwi Ears Quintet are driven best at Low or Middle Gain, with me personally finding that High Gain makes it all muddy. I am yet to try it with my HiFiMan Ananda Planar headphones, and will update this review as the journey with this masterpiece of a device continues. Rarely do I find myself being fondly attached to any device so quickly. It may be safe to say the R6Pro MAX does have something special. Only time will tell.
Lastly, the design is phenomenal and classy. The weight of the unit is evenly balanced and not top-heavy, making it very easy to handle in spite of its 500 gramme weight.
My only gripe, because I just HAVE to find one is that the case provided is quite impractical as the device tends to slide out from the top opening, and it interferes with the UI gestures. On the flip side, the quality of the case is top-notch making the device feel extremely premium with its carbon fiber-like finish.
Kudos to HiBy. Clearly a lot of effort and thought has been put into introducing something like this. We may be looking at a potential market game-changer.
(All IEMs have been tested with the OE 2DualCPS Silver Upgrade Cable)
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The product has a sturdy build and the ring light adds a clean, aesthetic touch that enhances its overall look. Using it with my KZ Castor Harmon Edition feels like listening to my favorite song for the very first time, with sound quality that is clear and immersive. It works smoothly with both Samsung devices and Windows, and the customization options on Windows make it highly versatile. The quick delivery in just one day was the icing on the cake, making this a well-rounded purchase that combines design, performance, and convenience.
Pairing this Harman Target Version with a Samsung A17 playing Apple Music and FLAC files and Fiio X1 DAP as a secondary source with FLAC files. When tuned to give preference to Mids as i prefer to hear the voices more than anything else, this comes out as a sweet sounding combination and tracks like Racy Chapmans Fast Car and Massive Attacks Teardrop shine beautifully. The Castor Pros are best listened at about 40% volume and and infact they do actually sound amazing at a high volume for bass heavy tracks such as EDM but for Trance and Rock the cymbals and snare drums sound better at 40%. This pair of iems and the combo sounds like money well spent so far and next i want to try analytical IEMs like the 7Hz. Thanks to the Audio Store for the rushed delivery.
Great purchase... excellent product
Good Product as expected
Worth every penny! This is not for bassheads as it lacks just a bit on the bass department, but the separation is awesome and the sound stage is also huge. Awesome for gaming as well! (Apex Legends, Arc Raiders, PUBG)
This is the replacement for my purchase of moon drop dsp chu2 which I bought in aug 2025 i don't know how it got damaged from last it stopped working on left side buds and after a few days mic also stopped working and i forgot to claim the warranty for it . So find this spare cable very helpful since I love these IEMS for real Tq AUDIO STORETEAM FOR THE smooth delivery
Great job on packing of the product. As a gamer I can say that, for fps games like PUBG , CS2 etc., Castor Pro is the best in under ₹2000
I recently bought this and am incredibly impressed with it. The build quality feels solid and premium right out of the box.
When it comes to performance, the amplification is fantastic—it delivers a clear, noticeable boost to the audio power and volume without sacrificing clarity. It is also incredibly easy to use; completely plug-and-play with zero hassle.
An awesome bonus is the inclusion of the Type-A to Type-C dongle/adapter. It makes it incredibly versatile to connect to different devices right away without needing to buy extra accessories.
Overall, it's a great purchase and definitely worth the money. If you are on the fence, just get it!
As an all rounder it fits my taste quite well,the only problem it really has is the male vocals being a bit recessed (not terribly recessed if you use vocal eartips),they are a tad bit overpriced seemingly,divine planar might be better,but for people looking for a fun entry into iem's,it's worth the price (some people say it's included DAC isn't enough,it works well enough as a temporary solution,yet to test if a dac makes a big difference or not).
Unsure if this is how most iem's are but the cable felt a tad bit short.
I had never used an IEM before, so this was my very first experience and I was genuinely impressed. As someone who loves music, I can confidently say this is one of the best investments you can make for audio quality. The sound is exceptional and absolutely worth the price.
To get the best possible audio experience, I would also recommend pairing it with a good-quality DAC, as it significantly enhances the overall output. ....
This is the most balanced sounding IEM I've used in this price. I am using the Type C variant, and I haven't experienced any issue regarding the playback whatsoever. It is equipped with the DAC chip CX31993, which is found on the dedicated DACs around the price of 1K. The cable is also a 4-core silver plated copper one, with really nice build quality. These are also really responsive to EQ Settings, tweaking the audio balance using a 10 or 31 band EQ makes the experience even more versatile.
The only cons I have noticed are regarding the in-box ear tips, I didn't find them to be very comfortable, so I had switch them with some other ear tips. Although, the metal built of the IEMs give them a really premium feeling, the glossy surface is extremely prone to scratches and they still get scratched even after using cautiously.
It is best in budget dac.
Save money get this dac-amp
It is good but could be a bit sharp sometimes may be balanced by EQ. But one problem in my type C unit, after 3 days it stop sound out of nowhere, while listening music, or watching movie/yt. Have to plug out plug in to get the audio back.
This is a magical DAC, I don’t believe ki isne mere headphones main jaan daal di ho
Really the quality of aurora ultra is out of the box , literally if you never use an iem and experience first time you feel actual music. Aurora ultra give life best experience.
This is only possible because of the audio that my first experience and the audio store surve there best to just create my best experience thanks a lot for protective, timely delivery and
Again thanks for giving that service and seamless experience to the team
