A&norma SR25 Portable High-Resolution Music Player (Red)
Product Description
Designed to reproduce audio as the creator's intended, the A&norma SR25 Portable High-Resolution Music Player from Astell&Kern delivers high-fidelity acoustics you can take with you. Wrapped inside a stylish aluminum body is a host of technological advances in audio engineering. You get a quad-core CPU that's paired with dual Cirrus Logic CS43198 DACs that support 32-bit/384 kHz bit-to-bit playback and native DSD256. With up to 21 hours of playback, you can enjoy rich and dynamic sound all day long.
This kind of audio quality is provided regardless of how you listen, so with the SR25 you don't have to compromise when using wireless headphones or speakers. Aside from 3.5mm unbalanced and 2.5mm balanced headphone outputs, it supports 24-bit playback via aptX HD Bluetooth, as well as support for LDAC. All of this technology is at your fingertips and can be controlled via the 3.6" 720p TFT LCD and convenient external analog controls. For a smooth, user-friendly experience, Astell&Kern runs the SR25 on a customized Android 9.0 operating system.
This kind of audio quality is provided regardless of how you listen, so with the SR25 you don't have to compromise when using wireless headphones or speakers. Aside from 3.5mm unbalanced and 2.5mm balanced headphone outputs, it supports 24-bit playback via aptX HD Bluetooth, as well as support for LDAC. All of this technology is at your fingertips and can be controlled via the 3.6" 720p TFT LCD and convenient external analog controls. For a smooth, user-friendly experience, Astell&Kern runs the SR25 on a customized Android 9.0 operating system.
Audio | |
DAC | 2 x Cirrus Logic CS43198 32-Bit |
Audio Resolution | PCM: 8 ~ 384 kHz / 32-Bit DSDNative: 2.8 MHz / 1-Bit DSD128: 5.6 MHz / 1-Bit DSD256: 11.2 MHz / 1-Bit |
Frequency Response | 20 Hz to 20 kHz ±0.014 dB (Unbalanced Headphone Out) 20 Hz to 70 kHz ±0.1 dB (Unbalanced Headphone Out) 20 Hz to 20 kHz ±0.011 dB (Balanced Headphone Out) 20 Hz to 70 kHz ±0.12 dB (Balanced Headphone Out) |
Impedance | 1.8 Ohms (Unbalanced Headphone Out) 1.6 Ohms (Balanced Headphone Out) |
Volume Control | Analog |
THD + N | 0.0007% at 1 kHz (Unbalanced Headphone Out) 0.0008% at 1 kHz (Balanced Headphone Out) |
Maximum Output Voltage | 2 Vrms (Unbalanced 3.5 mm) 4 Vrms (Balanced 2.5 mm) |
Signal to Noise Ratio | 122 dB (Unbalanced Headphone Out) 123 dB (Balanced Headphone Out) |
Clock Jitter | 25 ps |
Crosstalk | -138 dB at 1 kHz (Unbalanced, ) -144 dB at 1 kHz (Balanced, ) |
Performance | |
CPU | Quad-Core |
Operating System | Android 9.0 |
Internal Storage | 64 GB |
Media/Memory Card Slot | Single Slot: microSD/microSDHC/microSDXC [1 TB Maximum] |
Display | 3.6" LCD (720 x 1080 Resolution) |
Operation Method | Physical Buttons, Touchscreen, Volume Wheel |
Media Support | |
Video Recording | No |
Video Playback | No |
Formats Supported | Audio: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, & MQA |
Connectivity | |
Wireless | Bluetooth 4.2 Wi-Fi 4 (802.11n) |
Bluetooth Codecs | aptX HD, LDAC |
Connections | 1 x 1/8" / 3.5 mm Headphone Output 1 x 2.5 mm Balanced Headphone Output 1 x USB Type-C USB 3.0 Input |
Power | |
Battery | 1 x Replaceable Lithium-Polymer Battery 3150 mAh Providing up to 21 Hours per Charge for Audio Playback (3.5 mm) |
Charging Time | Full Charge: 2.5 Hours |
General | |
System Requirements | Operating System Windows 7, 8, 10 Mac OS X 10.7 |
Supported Languages | |
Temperature | |
Dimensions (W x H x D) | 2.5 x 4.3 x 0.6" / 63.5 x 108.3 x 16.1 mm |
Weight | 6.3 oz / 178 g |