Roksan
Roksan Caspian 4G Streaming Pre & Power Amp Bundle
Roksan Caspian 4G Streaming Pre & Power Amp Bundle
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Description
Roksan Caspian 4G Streaming Pre-Amplifier & Power Amplifier Bundle
The Roksan Caspian 4G Streaming Pre-Amplifier with Caspian 4G Power Amplifier creates a complete high-performance streaming system with versatile connectivity for adding additional sources such as a turntable, CD player or television.
BluOS streaming, Rapture DAC technology, HDMI eARC and built-in MM/MC phono capability are combined with 105 watts per channel of Euphoria Class A/B amplification, giving the system the flexibility of a modern streaming amplifier with the control, scale and upgrade potential of dedicated separates.
For listeners who want a premium two-box system that can handle virtually every source while remaining simple to use, this Caspian 4G combination provides an excellent foundation.
A Complete Caspian 4G System
The Streaming Pre-Amplifier handles source selection, digital conversion, streaming and volume control, while the dedicated Power Amplifier is left entirely responsible for driving the loudspeakers.
Separating these functions across two chassis helps reduce interaction between sensitive source circuitry and the high-current power stage, while also providing greater flexibility for future upgrades. Balanced XLR connections can be used between the two components for a fully balanced signal path.
BluOS High-Resolution Streaming
Built-in BluOS provides access to a wide range of streaming services, internet radio and locally stored music, with playback at up to 24-bit/192kHz. Multi-room support allows the Caspian system to become part of a wider BluOS setup, while Roon Ready certification makes integration with a Roon music library straightforward.
Rapture DAC and Digital Playback
Digital sources are handled by Roksan’s Rapture DAC architecture, designed to provide low noise, strong resolution and a natural presentation. Whether listening through BluOS, connecting a digital source or using HDMI eARC from a television, the Streaming Pre-Amplifier acts as the central digital hub for the system.
Built-In MM and MC Phono Stage
A high quality built-in MM/MC phono stage makes it simple to connect a wide range of turntable and cartridge options without the need for any additional boxes.
HDMI eARC for TV Sound
HDMI eARC allows a compatible television to connect directly to the Caspian Streaming Pre-Amplifier. TV programmes, films and streaming services can then be played through the main stereo speakers, while compatible television remotes can handle everyday volume control.
This makes the bundle equally suitable for serious music listening and high-quality TV sound.
Euphoria Class A/B Power
The Caspian 4G Power Amplifier uses Roksan’s Euphoria Class A/B amplification architecture, delivering 105 watts per channel into 8 ohms or 200 watts per channel into 4 ohms – guaranteeing strong current delivery and useful headroom for a wide range of premium standmount and floorstanding loudspeakers.
Fully Balanced Connectivity
Balanced XLR outputs from the Streaming Pre-Amplifier connect directly to the balanced inputs on the Power Amplifier. RCA connections are also provided, giving flexibility with alternative system configurations and future upgrades.
A dedicated subwoofer output makes it straightforward to add an active subwoofer if greater low-frequency extension is required.
Upgradeable to Mono-Block Operation
One of the advantages of choosing the Caspian 4G separates platform is the ability to expand the system later. Adding a second Caspian 4G Power Amplifier allows the pair to operate in bridged mono configuration, increasing output to a massive 420 watts per channel into 8 ohms or 630 watts into 4 ohms. This gives the system a clear upgrade path for more demanding loudspeakers or larger listening rooms.
Key Features:
- BluOS high-resolution streaming
- Streaming up to 24-bit/192kHz
- Roksan Rapture DAC technology
- MM and MC phono stage
- Bluetooth with aptX
- Balanced XLR connectivity
- Euphoria Class A/B amplification
- Fully balanced signal path
- Aluminium casework
- Black or Silver finish
- Future mono-block upgrade capability
Specifications
Specifications
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Connectivity Summary |
|
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Analogue Inputs |
2x RCA Stereo (A2, A3) |
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Digital Inputs |
2x Coax (D1, D2) |
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Analogue Outputs |
1x Balanced XLR (Pre1), |
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Other Inputs / Outputs |
Gigabit Ethernet RJ45, W-Fi 5, Wi-Fi 4, BLE, 12V |
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Power |
IEC C14, Fused 6.3AT |
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User Interface |
|
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Primary Interface (on unit) |
Dynamic Control Dial (with haptic feedback) to control volume, inputs & power |
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Secondary Interface (on unit) |
Backward, Play/Pause, Forward |
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Remote Control |
Black, 15 button IR remote. Bead blasted & anodised aluminium extruded case with laser etched logo. |
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Phono Section |
|
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Inputs |
MM& MC |
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Gain MM |
53dB |
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Gain Adjustment MM |
Low (-6dB), Mid (0dB default), High (+6dB) |
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Input Impedance MM |
47k ohms/100pF |
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Rapture DAC |
|
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DAC Technology |
Rapture DAC, Dual Mono Balanced |
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Format Support |
PCM |
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Sampling Rate |
up to 24bit / 192kHz |
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Pre-Amplifier Section (Amp, Pre1, Pre2) |
|
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Volume Control Technology |
Hybrid Digital Analogue |
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Volume Control Matching |
<0.25dB |
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THD+N (3.9Vrms, A-Weighted) |
<0.0008% |
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Signal to Noise Ratio (3.9Vrms, A-Weighted) |
>108dB |
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Maximum Output Level |
3.9Vrms |
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Supported Features |
Pre-Output, Line Level Output (Fixed Level), Sub-Woofer Output (Low-Pass Filtered), Intelligent DSP |
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Pre-Amplifier Section (Pre3) |
|
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Volume Control Technology |
Digital |
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Volume Control Matching |
<0.25dB |
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THD+N (3.9Vrms, A-Weighted) |
<0.003% |
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Signal to Noise Ratio (3.9Vrms, A-Weighted) |
>108dB |
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Maximum Output Level |
3.9Vrms |
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Supported Features |
Pre-Output, Line Level Output (Fixed Level), Sub-Woofer Output (Low-Pass Filtered), Intelligent DSP |
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Bluetooth |
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Protocol |
A2DP Audio Profile |
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Codecs |
SBC, aptX & AAC |
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Range |
>15m |
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Digital Inputs |
|
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Coax Inputs (D1, D2) |
up to 24bit / 192kHz (Stereo) |
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Optical Inputs (D3, D4) |
up to 24bit / 192kHz (Stereo) |
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HDMI ARC & eARC |
Yes (2.0) |
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Analogue Inputs |
|
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Maximum Input Level |
6.7Vrms |
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Music Sense |
A2 Input |
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AV Mode |
A2 Input |
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BluOS Section |
|
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BluOS Streaming Supported |
Yes |
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Audio Formats |
MP3, AAC, WMA, OGG, WMA-L ALAC, OPUS |
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Hi-Resolution Audio Formats |
MQA, FLAC, WAV AIFF, Supports converted DSD playback via the desktop app only. |
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Sampling Rate |
up to 192kHz |
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Bit Depth |
16 - 24 Network Connectivity |
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Network Connectivity |
Gigabit Ethernet RJ45, W-Fi 5 |
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Supported Network File Storage Protocol |
Server Message Block (SMB) |
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USB |
1x Type-A port for connection to USB memory stick (FAT32 or NTFS formatted) and supported peripherals |
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Supported Operating System |
Music playback from network shares on the following desktop operating systems: Microsoft Windows XP, 2000, Vista, 7, 8 to current Windows Operating Systems and macOS versions** |
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Mobile Application |
Free BluOS Controller App available for download from the respective App stores of Apple iOS devices (iPad, iPhone and iPod), Android devices, Kindle Fire and Windows or macOS desktops |
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Supported music services and partners |
Over 20 natively integrated streaming services. For more information go to https://bluos.io/ |
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Third Party Certified Services |
Apple Airplay, Spotify Connect, Tidal Connect |
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ROON Ready |
ROON Ready, ROON Tested |
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Control Integrations |
Creston, Control4 (OS3), Control4 (OS2), RTI, URC, BluOS URC Driver, URC, Lutron, NICE, GIRA, BluOS Integration Utility, BluOS Cusomt Integration API |
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Other |
|
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Wired IR Input |
5 - 14V, Mono 3.5mm jack plug, any polarity |
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12V Trigger Input |
5 - 14V, 3.5mm jack dual polarity (On / Standby) |
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12V Trigger Pass-through |
3.5mm jack Pass through from input only |
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Nominal Mains Voltage |
Auto-Selecting Power Supply, 100-120VAC & 220-240 VAC |
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Power Consumption |
85VA, Standby 0.5W, Network Standby 2W (Standby Plus, allows fast boot) |
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Physical |
|
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Avalible Finishes |
Silver, Black |
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Construction |
Extruded and machined Aluminimum front & top cover with extruded Aluminimum heatsinks. |
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External Dimensions with all accessories fitted (H x W x D) |
93 x 432 x 378mm |
|
Weight (Product, Each) |
10.1 kg |
Delivery & Returns
Delivery & Returns
We offer free next day delivery on all orders over £99 (item must be in stock). For orders under £99 a delivery charge of £7.50 will be applied.
Cut-off time for next day delivery is 3pm Monday-Friday and 1.00pm Saturday. Items ordered after 1pm on Saturday or on Sunday will be shipped on Monday for Tuesday delivery. (please allow an extra day if a bank holiday falls within this period).
Our delivery partner DPD offers an interactive messaging service and will provide a 1-hour time window for your delivery so please provide a mobile phone number where possible.
Some items are not available on a next day delivery service, in these cases the selected product page will display the expected delivery time. If you would like to double check the delivery time prior to ordering please call 01932 851121 or email sales@weybridge-audio.co.uk.
* Remote and offshore locations are excluded from the free delivery service. For these locations we offer a standard 2-3 day delivery
service at £16 per item.
For more detailed info please see delivery information
Cancellations & Returns
At Weybridge Audio we want our customers to be happy with their purchase which is why we offer a 30-day no-hassle return policy on all products purchased through our website. If you would like to return an item please call us on 01932 851121 or email to sales@weybridge-audio.co.uk including your name, address, and original order number. The cost of returning an item is the responsibility of the customer unless the item is faulty in which case we will arrange to collect the faulty item at our expense.
Items must be returned to us in 'as new' condition, complete with all original packaging and accessories. Refunds will be processed within 5 days of receiving the item, subject to the above terms being met.
For more information please see our terms & conditions.