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HiBy R6 ProII 2025 DAP — Android 12, Dual CS4308P DACs, Class A/AB Amplifier, 6GB RAM

HiBy R6 ProII 2025 DAP — Android 12, Dual CS4308P DACs, Class A/AB Amplifier, 6GB RAM

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$822.18at NexolticChecked Nov 9

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Price facts

  • Last seen at $822.18 at Nexoltic on Nov 9.

Our take on the HiBy R6 ProII 2025 DAP — Android 12, Dual CS4308P DACs, Class A/AB Amplifier, 6GB RAM

The HiBy R6 ProII 2025 is an Android 12 digital audio player with two Cirrus Logic CS4308P DACs and a switchable Class A/AB headphone amplifier. It handles DSD 512 natively, PCM to 768 kHz/32-bit and MQA 16X, with 6 GB RAM, 128 GB storage and a microSD slot that takes up to 2 TB. The 5.9-inch touchscreen and Snapdragon 665 keep streaming apps and large libraries responsive. It suits listeners who want desktop-grade decoding in a pocketable player and who value the Class A option over the leaner, longer-running rivals in its class.

Best forListeners who want a Class A headphone amp in a portable playerStreaming and local-library users who want Android apps on a DAPOwners of high-impedance or hard-to-drive headphonesBuyers who want native DSD 512 and MQA unfolding
Pros
  • Dual CS4308P DACs with 123 dB dynamic range and THD+N below -115 dB
  • Switchable Class A and Class AB amplifier modes
  • Native DSD 512 and PCM up to 768 kHz/32-bit
  • 6 GB RAM and 128 GB storage, expandable to 2 TB
  • 5.9-inch touchscreen with responsive Android 12 interface
  • Separate power rails for DAC, I/V and output stages
Cons
  • Class A mode draws more power and shortens battery life
  • Large and heavy for a pocket compared with smaller dongle-style setups
  • Android 12 is older than current phone releases
  • Snapdragon 665 is modest for heavy app multitasking

HiBy R6 ProII 2025 DAP — Android 12, Dual CS4308P DACs, Class A/AB Amplifier, 6GB RAM prices at every store

  • NexolticNew

    In stockShips from the UK · duties may applyReturn policy

    $822.18Checked Nov 9
    Visit Nexoltic

What reviewers say

Owners of the R6 ProII line praise the detail and separation from the dual Cirrus DACs and like having a Class A option for warmer, fuller sound. Common complaints center on battery drain in Class A and the player's size and weight.

What people mention
  • Sound qualityPraisedOwners describe a detailed, spacious presentation with clear separation between instruments.
  • Class A modePraisedListeners like the fuller, warmer tone Class A adds over the AB setting.
  • BatteryCriticisedClass A mode drains the battery quickly, so long sessions need a charge or the AB setting.
  • SizeMixedThe player feels substantial and well built, but it is bulky and heavy for a pocket.
  • HeatCriticisedThe player warms up noticeably during extended Class A listening.

About the HiBy R6 ProII 2025 DAP — Android 12, Dual CS4308P DACs, Class A/AB Amplifier, 6GB RAM

The HiBy R6 ProII 2025 is a portable digital audio player. It runs HiByOS, an Android 12 based system customized for pro audio. HiByOS includes audio optimizations and a global SRC bypass that helps third-party apps preserve high bitrate audio. It can run Spotify, YouTube and other apps.

It uses two Cirrus Logic CS4308P DAC chips with 32-bit oversampling, a 123 dB dynamic range and THD+N below -115 dB. The DAC, I/V conversion and output stages each have independent hardware power rails. It decodes DSD 512 natively, plays PCM up to 768 kHz / 32-bit and unfolds MQA 16X.

One tap switches between Class A and Class AB amplifier modes. Class A uses dedicated op amps and transistors and suits high impedance headphones. Class AB is more efficient with power and heat and suits most in-ear headphones.

Operating system
HiByOS (Android 12 based)
Processor
Qualcomm Snapdragon 665 (11nm)
RAM
6 GB
Storage
128 GB internal, expandable up to 2 TB
Display
5.9 inch touchscreen
DAC
2 x Cirrus Logic CS4308P
Dynamic range
123 dB
THD+N
Below -115 dB
Decoding
DSD 512 native; PCM up to 768 kHz / 32-bit; MQA 16X unfolding
Amplifier
Switchable Class A and Class AB modes
Formats
MP3, WAV, FLAC, DSD, PCM, lossless and lossy formats
Streaming apps
Runs third-party apps such as Spotify and YouTube

Questions and answers

What is the difference between Class A and Class AB mode?
Class A runs the amplifier stage continuously for a fuller, warmer sound but uses more power. Class AB is more efficient and gives longer battery life with a slightly leaner tone.
Can it drive high-impedance headphones?
Yes. The separate power rails and Class A/AB amplifier are built to handle demanding loads, and owners report good results with harder-to-drive headphones.
Does it support streaming apps?
It runs HiByOS on Android 12, so you can install streaming and player apps from the app store and switch between them.
How much storage can I add?
It has 128 GB built in and a microSD slot that accepts cards up to 2 TB.
What file formats does it decode?
Native DSD 512, PCM up to 768 kHz/32-bit and MQA 16X unfolding, covering most hi-res catalogues.
Is it a good upgrade from the previous R6 ProII?
The 2025 version keeps the dual CS4308P DAC design and adds the current HiByOS build with 6 GB RAM. If you already own the earlier model, the sound signature is close; the draw is the refreshed software and memory.
Where is the HiBy R6 ProII 2025 DAP — Android 12, Dual CS4308P DACs, Class A/AB Amplifier, 6GB RAM cheapest?
At Nexoltic, for $822.18, as of our latest check.

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