Roksan Caspian 4G Streaming Amplifier

Meet the Caspian 4G Streaming Amplifier

Acoustic Excellence from Roksan 

The all-new Caspian Series 4G is a more-than-worthy addition to Roksans hallowed Caspian lineage. It successfully builds on the unique qualities that make Caspian highly respected electronics series.

Caspian Series 4G comprises two models, each of which builds on an advanced electronics platform and can integrate with each other and the system they sit within. Highly optimisable, and packed full of leading-edge engineering, Caspian Series 4G, extends the envelope of performance.

Its stylish, modern design houses advanced electronics and powerful streaming and amplification. A truly versatile range, Caspian Series 4G will enhance any system with exceptional power, high-fidelity sound and intuitive usability.

Caspian Series 4G is an outstanding way to experience true high-fidelity audio. Designed for the user. Listen Again.

Access Lossless Music and Wirelessly Stream throughout Your House

The Caspian Streaming Amplifier utilises BluOS premium multi-room audio streaming. The worlds premier wireless ecosystem, it provides users with access to limitless music via the worlds most popular streaming services, and the ability to wirelessly stream music at lightning-fast speeds with no lag and zero loss in sound quality.

Users can stream up to 64 zones of high-resolution audio, in quality up to 24-bit, 192kHz. Using BluOS also means effortless browsing, and access to locally stored music collections as well as streaming services.

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

For todays connected consumer and music lover glorious high-fidelity

The Caspian Streaming Amplifier unleashes the power of BluOS, premium multi-room high-resolution wireless streaming through the smart implementation of Euphoria, Caspians 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. Configured and controlled using the intuitive MaestroUnite app, the Caspian Streaming Amplifier delivers extraordinary levels of detailed, high-fidelity sound. Designed for the user

Product Features
BluOS premium multi-room audio and high-resolution audio streaming.
105 Watts into 8Ohms / 200 Watts into 4Ohms of clean, precise power per channel.
Euphoria: powerful dual-mono AB amplifier architecture for total power and control.
Revolutionary Rapture DAC Technology for improved digital-to-analogue conversion.
Advanced pre-amplifier ensures the signal transfer is kept as clean as possible
High-performance phono stage, individually calibrated to a tolerance previously thought impossible.
Machined and extruded 6mm thick aluminium casework with integrated heatsinks
Finishes available: Silver and Black 
Technical Specifications
Connectivity Summary

Inputs (Analogue)
2x RCA Stereo (A1, A2), 1x Balanced XLR (A3)

Inputs (Digital)
2x Coax (D1, D2), 2x Optical (D3, D4), Bluetooth Audio, BluOS, HDMI eARC

Outputs (Analogue)  
1x Balanced XLR (Pre1), 1x RCA Stereo (Pre2), 1x RCA Stereo (Pre3)

Amplifier Outputs 
1 x 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 log

Power Amplification Section

Power Amplifier Technology
Dual Mono Euphoria Amplifier

Amplifier Class
AB

Output Power, 8 0hms (235VAC @ 1% THD, both channels driven)
105 W

Output Power, 4 0hms (235VAC @ 1% THD, both channels driven)
200 W

THD+N (1W @ 1kHz Both Channels driven)
Gain
29dB

Signal to Noise (1W/8R 2Vrms A1, both channels driven)
>85dB

Gain Matching
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
THD+N (3.9Vrms, A-Weighted)
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

Codecs
SBC, aptX & AAC

Range
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 Level Input
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
Yet to be confirmed

Control Integrations
Creston, Control4 (OS3), Control4 (OS2), RTI, URC, BluOS URC Driver, URC, Lutron, NICE, GIRA, BluOS Integration 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 available 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 Passthrough
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)

Available Finishes
Silver, Black

Construction
Extruded and machined Aluminium front & top cover with extruded Aluminium heatsinks

Dimensions with all Accessories Fitted (W x H x D)
93 x 432 x 378 mm
*This information has been obtained from Manufacturers website. We advise that Features, Specifications & Price are subject change from Manufacturer without notice.

E&OE