B. Audio B.dac one EX


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Taking full advantage of all digital formats, the B.dac one EX uses the main technological refinements introduced in the reference series to deliver a natural and dynamic sound, rich in micro-information.

The B.dac one EX includes a network input giving access to streaming functionalities, as well as a USB slot for direct connection of storage media. Additionally, a DSP-based acoustic correction feature offers a wide range of possibilities for adjusting to the listening environment.


Streaming inputs are optimally interfaced with B.audio’s patented Source Jitter Removal (SJR) technology – a process that effectively eliminates 100% of the source jitter. Enabling the conversion circuitry to work optimally, the SJR provides unmatched digital-to-analog conversion quality regardless of the audio format used.

Network functionalities

The available features include:
– compatibility with protocols UPnP, MPD, LMS, NAA, Roon, Airplay, Spotify
– access to streaming services (Qobuz, Tidal, Spotify …) via compatible iOS and Android applications
– playback of various formats: PCM up to 384kHz / DXD / DoP / native DSD up to DSD 256
– integrated cloud / UPnP server (makes data stored on USB media accessible over the network)

Acoustic correction

The onboard DSP features parametric acoustic correction to help make the most of the room and speakers. In-house developed, this functionality is based on a 64-bit architecture. The overall gain is determined automatically without user intervention, which guarantees the absence of saturation regardless of the parameters used. These specific features preserve the signal quality, thereby ensuring an optimal result.

Remote control

Each B.dac one EX comes with a custom-made remote control made of massive aluminium.



Power supplyFactory set : 220-230V or 100-115V, 50-60Hz
Power stage total capacity> 45 000µF
Power stage regulationmultiple, linear
Conversion typemultibit sigma-delta
Clock managementSJR
Network1x RJ45
Local storage1x USB DATA
DIGITAL IN: Connectors2x SPDIF, 2x Toslink, 1x AES/EBU, 1x USB (type B)
DIGITAL IN: USB (type B): operating modeasynchronous
DIGITAL IN: USB (type B): Supported formatPCM (incl. DXD), DSD, DSD over PCM (DoP)
DIGITAL IN: USB (type B): Sample rate (PCM)44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz (DXD), 384kHz
DIGITAL IN: USB (type B): Word length (PCM)16, 24, 32 bits
DIGITAL IN: USB (type B): Data rate (DSD)2.8224MHz (DSD64), 5.7648MHz (DSD128), 11.2896MHz (DSD256)
DIGITAL IN: USB (type B): Data rate (DSD over PCM)2.8224MHz (DSD64), 5.7648MHz (DSD128)
DIGITAL IN: SPDIF and AES/EBU: Supported formatPCM
DIGITAL IN: SPDIF and AES/EBU: Sample rate (PCM)44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
DIGITAL IN: SPDIF and AES/EBU: Word length (PCM)16, 24 bits
DIGITAL IN: Toslink: Supported formatPCM
DIGITAL IN: Toslink: Sample rate (PCM)44.1kHz, 48kHz, 88.2kHz, 96kHz
DIGITAL IN: Toslink: Word length (PCM)16, 24 bits
ANALOG OUT: Balanced: ConnectorsXLR
ANALOG OUT: Balanced: Output impedance:100 Ohms
ANALOG OUT: Unbalanced: ConnectorsRCA
ANALOG OUT: Unbalanced: Output impedance:75 Ohms

Additional information

Power Supply

Dual Supply, Two Monos +£19,950


Femto 77, Femto 33 +£9,950

Output Module

Base Without Analogue, Select Preamp With Analogue Inputs +£11,985

Additional Outputs

None, Sub Output XLR +£1,590, Sub Output RCA +£1,590, Analogue XLR +£1,590, Analogue RCA +£1,590

Additional Inputs

None, XLR +£990, RCA +£990


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