ARCAM Radia SA45 Streaming Integrated Amplifier
- Free Mainland UK Shipping on orders over £100
- Official Hi-Fi Retailer since 1973
- Usually in stock and dispatched in 1-5 working days
We offer free delivery on all orders over £100 to mainland UK. Orders under £100 are subject to a £6.50 shipping charge.
Delivery is available across mainland UK. If you are located outside mainland UK and would like a shipping quote, please get in touch before placing your order.
We aim to dispatch in-stock items as soon as possible provided that we physically have the stock - but please note that sometimes we have to order from our supplier for certain products, in which case delivery should take place within 1-5 working days of the order being placed.
Tracking details or estimated delivery timescales will be provided once your order has been processed. If there are any delays due to stock availability, we will contact you as soon as possible with the option to wait or receive a full refund.
Please note that certain products may be subject to specific distance selling or delivery regulations. If you are unsure about a product or its delivery terms, we recommend contacting us before purchase.
You can cancel your order within 14 days of receiving your goods, in line with UK distance selling regulations. Once you’ve notified us, you have a further 14 days to return the item. Please contact us by email, phone or in writing before sending anything back.
Items must be returned in original condition and packaging, including all accessories, manuals and any promotional items. The cost of return is your responsibility and we strongly recommend insuring the goods, as refunds cannot be issued for damaged or incomplete returns. If items show excessive handling, are missing components, or cannot be resold as new, a reasonable deduction may be made.
Please note that used headphones (for hygiene reasons) and custom or special-order items cannot be returned. If you need assistance arranging a return, we’re always happy to help.
Product Summary
A flagship all-in-one streaming integrated amplifier from Arcam’s Radia series, engineered in Cambridge, UK. Built upon the heritage of the A49 and featuring fully balanced analogue and digital signal paths, 5th generation Class G amplification and an advanced high-resolution streaming platform, it delivers authoritative power with exceptional refinement.
Key Benefits
- 5th generation Class G amplification
- 180W per channel into 8Ω
- Fully balanced analogue and digital signal paths
- ESS HyperStream IV DAC in balanced configuration
- All-new 6-layer high-resolution streaming platform
- Linear toroidal transformer power supply
- Dirac Live® room correction included
- Ready for Dirac Live Bass Control (optional upgrade)
- HDMI eARC input for TV integration
- MM & MC phono inputs
- Dual subwoofer outputs
- 8.8” high-resolution bonded display
- Apple AirPlay, Google Cast, Spotify Connect, Tidal Connect and Roon Ready
- Bluetooth 5.4 with Snapdragon Sound and Auracast
- 5 years manufacturer's warranty when purchased from an authorised dealer
Technical Specifications
Amplifier Section
- Amplifier Type: Class G (5th Generation)
- Power Output: 180W per channel (8Ω, 20Hz–20kHz)
- Power Output: 300W per channel (4Ω, 1kHz)
- Harmonic Distortion: 0.002% (80% power, 8Ω, 1kHz)
Analogue Inputs
- 3 × RCA Line Inputs
- 1 × Balanced XLR Input
- MM & MC Phono Inputs
- Frequency Response: 20Hz–20kHz ±0.2dB
- Signal-to-Noise Ratio: 106dB (A-weighted)
Digital & Streaming
- Supports up to 32-bit / 768kHz internal processing
- DSD support
- Apple AirPlay
- Google Cast
- Spotify Connect
- Tidal Connect
- Roon Ready
- Internet Radio & Podcasts via Radia App
Connectivity
- HDMI eARC
- Dual Subwoofer Outputs
- Wi-Fi (2.4GHz & 5GHz)
- Ethernet
- Bluetooth 5.4 (aptX Adaptive, Snapdragon Sound, Auracast)
Power
- Mains: 100–240V AC, 50–60Hz
- Maximum Power Consumption: 1000W
- Standby: <0.5W
Dimensions & Weight
- Width: 432mm
- Depth: 390mm
- Height: 140mm
- Weight: 17kg
What’s in the Box
- Streaming integrated amplifier
- Remote control
- Power cable
- Dirac calibration microphone
- User documentation
