Comparing: ARCAM ST25 and Cyrus 40 ST.
| GENERAL | ||||
| Brand Name | ARCAM  | Cyrus  | ||
| Product Name | ARCAM ST25 | Cyrus 40 ST | ||
| June 2024 | November 2024 | |||
| $1499 | $3995 | |||
| Manufacturer URL | www.arcam.co.uk | cyrusaudio.com | ||
| IMAGES | ||||
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| FEATURES | ||||
| ✔ | ✔ | |||
| ✔ - ?ESS ES9039Pro? | ✔ - ESS ES9039Q2M | |||
| ✘ | ✘ | |||
| ✘ | ✘ | |||
| ✔ - 6.5 inch non-touch | ✔ - 5 inch touch | |||
| STREAMING | ||||
Onboard Apps | ARCAM Radia | Via BluOS app: Amazon Music, Bugs, CustomChannels, Deezer, IDAGIO, KKBOX, Napster, Neil Young Archives, nugs.net, Pandora, Presto Music, Qobuz, QPlay, Qsic, Spotify, SOUNDMACHINE, TIDAL, Tunify | ||
Streaming | Apple Airplay 2, Google Cast, Spotify Connect, TIDAL Connect | Airplay 2 | ||
| ✔ | ✔ | |||
LAN Access | ✔ - UPnP | |||
| DIGITAL INPUTS | ||||
| TOSLINK Optical | ✘ | ✔ | ||
| Coaxial Optical | ✘ | ✔ | ||
| Bluetooth | ✘ | ✘ | ||
| HDMI ARC | ✘ | ✘ | ||
| HDMI eARC | ✘ | ✘ | ||
| HDMI IIS | ✘ | ✘ | ||
| USB (Media) | ✔ | ✔ - USB-A | ||
| USB (Audio DAC) | ✘ | ✘ | ||
| Other | ||||
| ANALOG INPUTS | ||||
| RCA | ✘ | ✘ | ||
| XLR | ✘ | ✘ | ||
| Phono | ✘ | ✘ | ||
| Other | ✘ | ✘ | ||
| DIGITAL OUTPUTS | ||||
| TOSLINK Optical | ✔ | ✔ | ||
| Coaxial Optical | ✔ | ✔ | ||
| USB | ✘ | ✘ | ||
| Bluetooth | ✘ | ✘ | ||
| HDMI | ✘ | ✘ | ||
| HDMI IIS | ✘ | ✘ | ||
| AES/EBU | ✘ | ✘ | ||
| Other | ||||
| ANALOG OUTPUTS | ||||
| RCA | ✔ | ✔ - x2. SNR 117dB THD+N 0.002% | ||
| XLR | ✘ | ✘ | ||
| Headphone | ✘ | ✘ | ||
| Passive Speaker | ✘ | ✘ | ||
| Subwoofer | ✘ | ✘ | ||
| Other | ||||
| SOFTWARE | ||||
| Multi-Room | BluOS WIRELESS MULTI-ROOM | |||
| EQ | ||||
| App Remote | MusicLife | ✔ - BluOS App for Android/iOS. Integrates with Control4, Creston, Alexa and others. | ||
| Control | RS232 | |||
| HARDWARE | ||||
| Ethernet | ✔ | ✔ - Gigabit | ||
| WI-FI | ✔ - Wi-Fi 5. 2.4+5GHz | ✔ - Wi-Fi 5. 2.4+5GHz | ||
| Audio Processor | ||||
| OP-AMP Chip | ||||
| Operating System | BluOS | |||
| Internal HDD/SSD | ✘ | |||
| CPU | ||||
| Internal RAM | ||||
| Internal Storage | ||||
| Power Supply | Linear toroidal. 100V or 110-120V or 220-240V. 50/60Hz. | 100-230V 50/60Hz. Optional external ‘40’ PSU | ||
| Power Usage | 15W max, 0.5W standby | 30W max, <0.5W standby | ||
| Remote | ✔ | ✔ - ‘40’ remote | ||
| Dimensions | 432x329x99mm | 385x220x88mm | ||
