audio-sound @ hatena

An audio review & news blog. The volume should not exceed 80 dB is recommended. I usually adhere to the safe-listening style by WHO. Please note that my aural impressions and interpretations of measurements are also made from a safe-listening style.

(News) Dethonray Prelude DTR1+: Latest Hi-Res Music Player Announced

Dethonray Prelude DTR1+

Dethonray Prelude DTR1+


Although Dethonray is not a prominent player in the HiFi audio industry, it is not a newcomer to the HiFi audio industry. Dethonray's first product was the Prelude DTR1, a digital audio player that was regarded by the community as the best audio player in its price range.

Today, Dethonray has announced the much-anticipated upgrade to the Prelude DTR1, the Dethonray Prelude DTR1+. The latest DTR1+ uses the same trusted AK4490EQ DAC chip that was used in the DTR1, and the DTR1+ features improved electronics, improved hardware such as low-pass circuitry, and improved power supply layout to take the DTR1 to the next level. The Linux OS has also been redesigned, and various improvements have been made to the software as well.


The Dethonray DTR1+ is currently available for pre-order at HiFiGO for $999.


Dethonray Prelude DTR1+


Redesigned Electronic Circuits

As a brand of HiFi audio gear, Dethonray designs its products with the ultimate in precision and accuracy. The Prelude DTR1+ uses a high-density dual battery system. The Prelude DTR1+ uses a high-density dual-battery system that provides independent power supplies for digital and analog circuits, ensuring a clean power supply for the system and clean, noise-free music playback.


High Performance AKM DAC Chip

Dethonray has equipped the DTR1+ with the trusted AKM AK4490EQ DAC chip, the same chip used in the Prelude DTR1 audio player. The DTR1+ supports 32-bit PCM and native DSD decoding, providing users with a memorable music experience.


Dethonray Prelude DTR1+


Redesigned Linux OS

The Dethonray Prelude DTR1+ features a fully customized Linux OS audio subsystem with an OSS subsystem that is 30% more efficient than the ALSA audio subsystem. It also features Ocelot, a patented ultra-light GUI system.The Prelude DTR1+ has a 1TB micro SD card slot and supports indexing of up to 160000 songs.With the DTR1+, you can take your entire music library with you wherever you go.


Dethonray Prelude DTR1+


What's New in the Software

  • Redesigned the audio subsystem for gain and volume.
  • Updated gain control to support a variety of IEMs, earphones, and headphones.
  • Subdivided the volume range for a more accurate and natural sound.
  • Added artist index and classification feature.
  • Added volume compensation function for L/R channels.


New hardware features in DTR1+

  • Redesigned low-pass filter circuit
  • Redesigned Desktop Plus power supply unit
  • Newly designed CNC machined aluminum chassis


Price & Availability

The Dethonray Prelude DTR1+ is available for pre-order at HiFiGO for $999. For more information, please click here.


As with all their products, HiFiGO offers free express shipping worldwide on orders over $500. We also offer free priority shipping to certain areas for orders over $100. More information about our shipping policy can be found here.


Purchase link