Key Features
- Matching streamer and amp
- A25+ delivers 100W per channel into 8 ohms
- ST25 supports hi-res streaming up to 32-bit/768kHz
- HDMI eARC, Bluetooth, USB-C, and MM phono inputs
- Can't find the bundle you want? Call 01706 878444 and we'll make the perfect package for you!
Arcam Radia A25+ Integrated Amplifier and ST25 Streamer Hi-Fi Bundle Overview
The Arcam Radia A25+ Integrated Amplifier and ST25 Streamer Hi-Fi Bundle is designed for building a modern two-channel hi-fi system with dedicated amplification and high-resolution streaming. The A25+ acts as the system hub, driving your speakers while handling TV audio, vinyl, Bluetooth, and digital sources, while the ST25 provides a purpose-built network streaming front end.
Together, the two components create a clean and flexible Radia setup for everyday listening and more focused music sessions. The A25+ delivers 100W per channel into 8 ohms using Class G amplification, with HDMI eARC, USB-C, Bluetooth 5.4, aptX Lossless, LE Audio, Auracast, and an MM phono input. The ST25 adds Apple AirPlay, Chromecast, Spotify Connect, Tidal Connect, Roon, internet radio, podcast support, USB media playback, and files up to 32-bit/768kHz, making the bundle a strong foundation for speakers, streaming services, TV sound, and vinyl.
Product Ref: 372024
Full Description
2023-2025 Best CD player £500-£1000
2024-2025 Product of the Year, Best CD players
"Arcam is back and this player is a true mid-price champion"
2025 Best music streamer £1000-£2000
"Arcam’s dedicated premium music streamer is a stunning performer and capable of slotting into any suitably priced hi-fi system with zero fuss."
Free Roon Subscription
For a limited time, select ARCAM Radia series purchases now include a complimentary Roon subscription. To find out more information and redeem your the offer, click here.
Arcam A25+ System Control
The Arcam A25+ sits at the heart of the system, delivering 100W per channel into 8 ohms or 165W into 4 ohms for confident control across a wide range of speakers. Its Class G design provides clean, efficient power, helping music sound composed at both low and higher volumes. An upgraded power supply and improved DAC support clearer digital playback, while HDMI eARC simplifies TV connection. USB-C, analogue inputs, MM phono and Bluetooth 5.4 with aptX Lossless, LE Audio and Auracast provide flexible access to modern and traditional sources.
Arcam ST25 Hi-Res Streaming
The Arcam ST25 adds dedicated hi-res streaming, so you can access your music services and local library without using a phone or laptop as the main source. It supports AirPlay, Chromecast, Spotify Connect, Tidal Connect, Roon, internet radio, podcasts, UPnP and USB-A playback, giving you plenty of ways to listen. Its six-layer digital platform, ESS Hyperstream iV DAC design and toroidal power supply help reduce noise and preserve detail, while the 6.5-inch display keeps albums, tracks and settings easy to view from your seat during everyday listening.
Package Includes
ARcam A25+ Specifications
| Continuous power output (0.5 THD), per channel | |
|---|---|
| 2 channels driven, 20Hz - 20kHz, 8Ω | 100W |
| 2 channels driven, 1kHz, 4Ω | 165W |
| Harmonic distortion, 80 power, 8Ω at 1kHz | 0.002 |
| Number of inputs | 3 (RCA pairs) |
| Signal/noise ratio (A-wtd, ref. 50W, 1V input) | 106dB |
| Frequency response | 20Hz—20kHz ± 0.2dB |
| Input impedance | 47kΩ + 100pF |
| Frequency response (ref. RIAA curve) | 20Hz—20kHz ± 1dB |
| USB-C supported sample rates (kHz) | 384, 352.8, 192, 176.4, 96, 88.2, 48, 44.1 |
| Other digital inputs supported sample rates (kHz) | 192, 176.4, 96, 88.2, 48, 44.1 |
| Bit depths (bit) | 32, 24, 16 |
| Frequency response (filter 1) | 20Hz—20kHz ± 0.2dB |
| Signal/noise ratio (A-wtd, ref. 50W, 0dBFS) | 109dB |
| Maximum output level (RMS) into 32Ω/300Ω | 2.5V/5V |
| Load range | 16Ω - 2kΩ |
| Bluetooth Version | 5.4; A2DP Sink/Source, AVRCP, BLE, SBC, AAC, aptX, aptX HD and aptX Lossless, LE Audio, Auracast |
| Bluetooth Transmitter Frequency and Power | 2,400 MHz to 2,483.5 MHz: <20dBm |
| Mains voltage | 100V or 110–120V or 220–240V, 50–60Hz |
| Power consumption (maximum) | 500W |
| Power consumption (standby) | <0.5W |
| Dimensions W x D (including speaker terminals) x H (including feet) | 431 x 344 x 83mm |
| Weight (net) | 9kg |
| Weight (packed) | 12kg |
| Product Code | ARCAMA25+ |
| EAN | 1200130028663 |
Arcam ST25 Specifications
Services
| Works with (apps) | ARCAM RadiaSpotify ConnectTidal ConnectRoon |
|---|---|
| Works with (services) | Apple AirplayChromecast |
| ARCAM Radia supported services (Global) | Internet RadioPodcastsUPnPUSB Media (using USB-A mass storage input) |
| Supported media | FLAC, WAV (LPCM), AAC, ALAC, AIFF, DSD (up to 1024), MP3, MP4, OGG, WMA |
| Supported Bit depth | 16, 24, 32 |
| Supported sample rates (kHz) | Up to 768 kHz |
| Gapless Playback | Yes |
| Digital Audio Outputs | 1x Coaxial (RCA), 1x Optical (Toslink) |
| Analogue Audio Outputs | 1x Stereo (RCA) pair |
| Wi-Fi Network | IEEE 802.11 a/b/g/n/ac/ax (2.4GHz/5GHz) |
| 2.4G Wi-Fi Transmitter Frequency Range and Power | 2400-2483.5 MHz (USA 11 Channels, Europe and Others 13 Channels): <20dBm |
| 5G Wi-Fi Transmitter Frequency Range and Power | 5150-5250 MHz <23dBm, 5250-5350 MHz & 5470-5725 MHz <20dBm, 5725-5850 MHz <14dBm |
| Mains voltage | 100V or 110–120V or 220–240V, 50–60Hz |
| Power consumption | 25W |
| Power consumption (Eco standby) | <0.5W |
| Dimensions W x D (including speaker terminals) x H (including feet) | 431 x 344 x 98mm |
| Weight (net) | 5 kg |
| Weight (packed) | 7 kg |
| Product code | ARCAST25 |
| EAN | 1200130011368 |
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