

The SD-025 Mk.II represents a significant step up from it’s younger sibling, the RD-101 Mk.II. Among other things, the SD-025 Mk.II offers a phenomenal power supply along with optimised digital and analogue circuitry allowing you to indulge your ears with hours of music in the absolute best quality.
Accessories for this and other products can be found in the category "Accessories".
The SD-025 Mk.II represents a significant step up from it’s younger sibling, the RD-101 Mk.II. Among other things, the SD-025 Mk.II offers a phenomenal power supply along with optimised digital and analogue circuitry allowing you to indulge your ears with hours of music in the absolute best quality.
SD-025 Mk.II is for those who love music and those who are not satisfied with merely the “next best thing”. Created for those that want an emotional creation that thrills the senses.
Connectivity with the Streaming module of the SD-025 Mk.II
The SD-025 Mk.II supports Mconnect, UPNP/DLNA, Tidal Connect, Spotify connect, V-tuner, Qobuz amongst others.
The SD-025 Mk.II is now also certified as a Roon Ready endpoint. Find out more on the Roon partner page.
Streaming with the Roon software
It’s important to note that while the SD-025 MK.II is Roon Ready, it requires a separate Roon Core to function. The Roon Core acts as the central server that manages your music collection and streams audio to the SD-025 MK.II. This setup ensures a robust and high-quality audio experience, leveraging Roon’s advanced features and the SD-025 MK.II’s exceptional sound performance.
Technical specifications:
Output: XLR analogue RCA analogue
Impedance: 80kΩ 80kΩ
Signal to noise ratio: >110dB @ 1kHz >110dB @ 1kHz
Frequency response: +800kHz +800kHz
THD + noise: <0.01% <0.01%
Input: USB AES/EBU S/PDIF Optical Streamer
Available: 1x USB B 2x XLR 2x RCA 1xToslink 1x RJ45
Impedance: 110Ω 75Ω
Sample rate: 384 kHz 192kHz 192kHz 96kHz 192kHz + DSD 64
DSD128
Resolution: 24bit 24bit 24bit 24bit 24bit
DAC:
· Master clock: 24.576 MHz +/- 5ppm
· DAC: 2x AD1955 – mono mode
Dimensions / Weight:
· Height: 135mm including feet
· Width: 435mm
· Depth: 428mm
· Weight : 26kg
· Material: Aluminium for body parts and hidden heat sinks