Roksan Caspian 4G Integrated Amplifier | Roksan | Audio T
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Roksan Caspian 4G Streaming Amplifier

Roksan Caspian 4G Streaming Amplifier

The Caspian Streaming Amplifier unleashes the power of BluOS, premium multi-room high-resolution wireless streaming through the smart implementation of Euphoria, Caspian’s powerful twin-independent amplification architecture, the revolutionary Rapture DAC technology, for improved digital to analogue signal conversion, and an advanced pre-amplifier and phono stage. All from a sleek aluminium design that exudes quality.

Features at a glance:
BluOS  |  HDMI eARC  |  MQA  |  Bluetooth aptX  |  AirPlay 2  |  Moving Magnet Phono Stage  |  Euphoria Amplification  |  Rapture DAC Technology  |  RCA, XLR and Subwoofer Outputs  |  MaestroUnite Setup & Control App

Made and designed for the user

Caspian Series 4G’s electronics architecture is something really very special. It benefits from an advanced feature set, that ensures all use-cases are being delivered upon. Its flexibility, usability and powerful musical delivery are built into our innovative ‘digital first’ DNA and physical design.

BluOS enabled, premium streaming up to 24-bit/192kHz?

The built-in BluOS premium multi-room audio technology in the Attessa Streaming Amplifier supports can stream up to 64 zones, all controllable via your smart phone.

BluOS supports the world’s most popular streaming services, so you can enjoy unlimited music and podcasts at your fingertips.

With the Attessa Streaming Amplifier, users can enjoy a fully immersive whole-home enhanced listening experience in true high-fidelity. ?

Caspian 4G Remote Control? — Total performance at your fingertips

Both the Caspian Streaming Amplifier and Integrated Amplifier come with an elegant and practical Roksan remote control to help users operate their device with ease.

Beautifully designed, its ergonomic, aluminium extruded design is perfectly weighted to sit comfortably in the hand. The buttons are clear and intuitive to use, helping the user navigate through the inputs and directly set pre-sets, as well as a host of standard operational features.

Trustpilot

Connectivity   
Analogue Inputs:

2x RCA Stereo (A1, A2), 

1x Balanced XLR (A3)
Digital Inputs:

2x Coax (D1, D2) 

2x Optical (D3, D4) 

Bluetooth Audio

BluOS 

DMI eARC
Analogue Outputs:

1x Balanced XLR (Pre1)

1x RCA Stereo (Pre2)

1x RCA Stereo (Pre3
Amplifier Outputs: 1x Pair of Speaker binding posts (L&R)
Other Inputs / Outputs: Gigabit Ethernet RJ45, W-Fi 5, Wi-Fi 4, BLE,  12V Trigger, Wired IR
Power:  IEC C14, Fused 6.2AT

 

User Interface  
Primary Interface: 
(on unit)		 Dynamic Control Dial (with haptic feedback) to control volume, inputs & power
Secondary Interface: 
(on unit)		 Backward, Play/Pause, Forward
Remote Control:  Black, 15 button IR remote. Bead blasted & anodised aluminium extruded case with laser etched logo.

 

Power Amplifier Section  
Power Amplifier 
Technology:		 Dual Mono Euphoria Amplifier
Amplifier Class: AB
Output Power, 8 0hms: 
(235VAC @ 1% THD, 
both channels driven)		 105W
Output Power, 4 0hms: 
(235VAC @ 1% THD, 
both channels driven)		 200W
THD+N: (1W @ 1kHz Both 
Channels driven)		 <0.007%
Gain: 29dB
Signal to Noise: (1W/8R 
2Vrms A1, both channels driven)		 >85dB
Gain Matching: <0.5dB
Frequency Linearity: 
(20Hz - 20kHz)		 +-0.25dB
Power Supply: 600VA / 36,400uF per Rail

 

Phono Section  
Inputs: MM
Gain MM: 53dB
Gain Adjustment MM:  Low (-6dB), Mid (0dB default), High (+6dB)
Input Impedance MM: 47k ohms/100pF
Gain MC: 73dB
Gain Adjustment MC: Low (-6dB), Mid (0dB default), High (+6dB)
Input Impedance MC: 100 ohms/470pF
RIAA response 
accuracy MM/MC		 +-0.3dB 20Hz - 20kHz

 

Rapture DAC  
DAC Technology: Rapture DAC, Dual Mono Balanced
Format Support: PCM
Sampling Rate: up to 24bit / 192kHz

 

Pre-Amplifier Section (Amp, Pre1, Pre2)  
Volume Control 
Technology:		 Hybrid Digital Analogue
Volume Control 
Matching:		 <0.25dB
THD+N: (3.9Vrms, 
A-Weighted)		 <0.0008%
Signal to Noise Ratio:
(3.9Vrms, A-Weighted)		 >108dB
Maximum Output Level: 3.9Vrms
Supported Features:
Pre-Output, Line Level Output (Fixed Level), Sub-Woofer Output (Low-Pass Filtered),  
Intelligent DSP

 

Bluetooth  
Protocol: A2DP Audio Profile
Codec: SBC, aptX & AAC
Range: >15m

 

Digital Inputs  
Coax Inputs: (D1, D2) up to 24bit / 192kHz (Stereo)
Optical Inputs: (D3, D4)  up to 24bit / 192kHz (Stereo)
HDMI ARC & eARC:  Yes (2.0)

 

Analogue Inputs  
Maximum Input Level: 6.7Vrms
Music Sense: A2 Input
 AV Mode: A2 Input

 

BluOS Section  
BluOS Streaming 
Supported:		 Yes
Audio Formats: MP3, AAC, WMA, OGG, WMA-L ALAC, OPUS
Hi-Resolution Audio 
Formats:		 MQA, FLAC, WAV AIFF, Supports converted DSD playback via the desktop app only
Sampling Rate: up to 192kHz
Bit Depth: 16 - 24
Network Connectivity: “Gigabit Ethernet RJ45, W-Fi 5”
Supported Network File 
Storage Protocol:		 Server Message Block (SMB)
USB: 1x Type-A port for connection to USB memory stick (FAT32 or NTFS formatted) and supported peripherals
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**
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
Supported music 
services and partners:		 Over 20 natively integrated streaming services. For more information go to https://bluos.io/
Third Party Certified 
Services:		 Apple Airplay, Spotify Connect, Tidal Connect
ROON Ready: TBC
Control Integrations: Creston, Control4 (OS3), Control4 (OS2), RTI, URC, BluOS URC Driver, URC, Lutron, NICE, GIRA, BluOS Integra
tion Utility, BluOS Cusomt Integration API

 

Maestrounite  
Maestrounite 
Supported:		 Yes
Network Connectivity: Bluetooth LE Wi-Fi 4 (Only connects for Over-the-Air Updates)
Mobile Application: iOS, Android
 Over-the-Air Updates: Firmware Updates are avalible via the Maestrounite configured Wi-Fi connection. This can be setup to connect 
& update on user request or during periods of inactivity.

 

Other  
Wired IR Input: 5 - 14V, Mono 3.5mm jack plug, any polarity
12V Trigger Input: 5 - 14V, 3.5mm jack dual polarity 
(On / Standby)
12V Trigger Pass
through:		 3.5mm jack Pass through from input only
Nominal Mains Voltage: Auto-Selecting Power Supply, 100-120VAC & 220-240 VAC
Power Consumption: Max 610VA, Standby 0.5W, Network Standby 2W (Standby Plus, allows fast boot)

 

Mechanical  
Availble Finishes
 Silver, Black
Construction Extruded and machined Aluminimum front & top cover with extruded Aluminimum heatsinks
External Dimensions 
with all accessories 
fitted (H x W x D)		 93 x 432 x 378mm 
Weight (Product, Each)  15.5 kg

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