Specifications​

Caspian Streaming Pre-Amplifier

Connectivity Summary

Analogue Inputs:

“2x RCA Stereo (A2, A3)
1x Balanced XLR (A1),
1x MM Phono (MM),
1x MC Phono (MC)”

Digital Inputs:

– “2x Coax (D1, D2)
2x Optical (D3, D4)
Bluetooth Audio
BluOS
HDMI eARC”

Analogue Outputs:

“1x Balanced XLR (Pre1),
1x RCA Stereo (Pre2),
1x RCA Stereo (Pre3)”
Amplifier Output:

–
Other Inputs / Outputs:

 Gigabit Ethernet RJ45, W-Fi 5, Wi-Fi 4, BLE, 12V Trigger, Wired IR
Power:

 IEC C14, Fused 6.3AT – 250V

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.

Phono Section

Inputs:  MM & MC

Gain MM: 53dB
Gain Adjustment MM:  Low (-6dB), Mid (0dB default), High (+6dB)
Input Impedance MM: 47k ohms/100pF

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

Bluetooth
Protocol A2DP Audio Profile A2DP Audio Profile – A2DP Audio Profile
Codecs SBC, aptX & AAC SBC, aptX & AAC – SBC, aptX & AAC

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

Analogue Inputs
Maximum Input Level 6.7Vrms 6.7Vrms 1.1Vrms RCA, 2.2Vrms XLR – Stereo
2.2Vrms RCA, 4.2Vrms XLR – Mono
6.7Vrms
Music Sense A2 Input A2 Input A2 Input A2 Input
AV Mode A2 Input A2 Input – A2 Input

BluOS Section

BluOS Streaming Supported

Audio Formats – MP3, AAC, WMA, OGG, WMA-L ALAC, OPUS – 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.
– MQA, FLAC, WAV AIFF, Supports converted DSD
playback via the desktop app only.
Sampling Rate – up to 192kHz – up to 192kHz
Bit Depth – 16 – 24 – 16 – 24
Network Connectivity – Gigabit Ethernet RJ45, W-Fi 5 – Gigabit Ethernet RJ45, W-Fi 5
Supported Network File
Storage Protocol
– Server Message Block (SMB) – Server Message Block (SMB)
USB – 1x Type-A port for connection to USB memory
stick (FAT32 or NTFS formatted) and supported
peripherals
– 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**
– 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 down-
load from the respective App stores of Apple
iOS devices (iPad, iPhone and iPod), Android
devices, Kindle Fire and Windows or macOS
desktops
– Free BluOS Controller App available for down-
load 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/
– Over 20 natively integrated streaming services.
For more information go to https://bluos.io/

Third Party Certified
Services

– Apple Airplay, Spotify Connect, Tidal Connect – Apple Airplay, Spotify Connect, Tidal Connect
ROON Ready – ROON Ready, ROON Tested – ROON Ready, ROON Tested
Control Integrations – Creston, Control4 (OS3), Control4 (OS2), RTI,
URC, BluOS URC Driver, URC, Lutron, NICE,
GIRA, BluOS Integration Utility, BluOS Cusomt
Integration API
– Creston, Control4 (OS3), Control4 (OS2), RTI,
URC, BluOS URC Driver, URC, Lutron, NICE,
GIRA, BluOS Integration Utility, BluOS Cusomt
Integration API
Maestrounite

Nominal Mains Voltage:

Auto-Selecting Power Supply, 100-120VAC &
220-240 VAC

Power Consumption:

85VA, Standby 0.5W, Network Standby 2W
(Standby Plus, allows fast boot)

Mechanical

Avalible 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
(3 11/16 x 17 x 14 7/8””)

Weight (Product, Each):

10.1 kg (22 lb 4 oz)