Cyrus 40 ST Streamer
- 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
The Cyrus 40 ST is a premium network music streamer designed to deliver exceptional high-resolution streaming performance. As part of the Cyrus 40 Series, it combines advanced DAC technology with the BluOS multiroom streaming platform, providing seamless access to popular streaming services, internet radio and local music libraries.
At the heart of the 40 ST is an ESS Sabre ES9039Q2M DAC featuring HyperStream IV architecture, allowing highly detailed and dynamic playback of digital music. The internal design carefully separates digital processing and analogue output stages to minimise interference and preserve signal integrity.
Using the BluOS platform, the 40 ST supports a wide range of streaming services and integrates easily with multiroom audio systems. With support for AirPlay 2, Roon Ready operation and MQA decoding, it offers a versatile streaming solution for modern high-performance hi-fi systems.
Key Benefits
- High-performance network music streamer from the Cyrus 40 Series
- ESS Sabre ES9039Q2M 32-bit DAC with HyperStream IV architecture
- BluOS multiroom streaming platform
- Supports major streaming services and internet radio
- Roon Ready and Apple AirPlay 2 compatible
- MQA decoding for high-quality streaming playback
- Digital inputs allow the unit to function as an external DAC
- Compatible with the optional Cyrus 40 PSU external power supply upgrade
- Premium aluminium chassis with colour display
- 5 year manufacturer warranty
Technical Specifications
Streaming & DAC
- DAC: ESS Sabre ES9039Q2M 32-bit
- Streaming Platform: BluOS
- Maximum Resolution: Up to 24-bit / 192kHz PCM
- MQA Decoding: Supported
- Roon Ready: Yes
- AirPlay 2: Supported
Inputs & Outputs
- Analogue Outputs: 2 × RCA line level
- Digital Outputs: 1 × Coaxial, 1 × Optical
- Digital Inputs: 1 × Coaxial, 1 × Optical
- USB: USB-A for music playback
- Ethernet: RJ45 network connection
- Wi-Fi: Built-in Wi-Fi antenna
Network
- Ethernet: Gigabit Ethernet
- Wi-Fi: Dual band Wi-Fi 5 (802.11ac)
Physical
- Dimensions (H × W × D): 88 × 220 × 385 mm
- Weight: 4.8 kg
- Chassis: Aluminium 40 Series enclosure
What’s in the Box
- Cyrus 40 ST streamer
- Remote control
- Power cable
- Product documentation
- Official Cyrus packaging
