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The dCS Bartók APEX combines cutting-edge digital technology, the renowned Ring DAC™, and a high-end headphone amplifier to deliver uncompromising sound quality and exceptional versatility in your high-end audio system.
Reference-class DAC, streamer & headphone amplifier
The dCS Bartók APEX embodies the very best of British engineering and audiophile passion. Built on decades of high-end expertise, it brings the transparency, musical insight and technical innovation associated with the legendary Vivaldi and Rossini ranges into a single, elegant unit.
Designed for the most demanding music lovers, Bartók APEX combines state-of-the-art digital technology, the acclaimed dCS Ring DAC™, an exceptionally capable headphone amplifier, a flexible streaming architecture and extensive connectivity. Whether used as a pure DAC, an all-in-one solution for headphones, or as the digital hub of a reference hi-fi system, Bartók APEX sets new standards for flexibility, build quality and musical expression.
World-class sound, effortlessly musical
Bartók APEX elevates digital playback to a new level. With remarkable transparency it reveals the finest details, hidden textures and dynamic nuances, while creating a natural, unforced soundstage that makes you rediscover familiar recordings.
Its ability to reproduce everything from explosive dynamics to the most delicate micro-detail with total control makes it a perfect match for audiophile headphones, active monitors or traditional stereo systems. Tone colour, timing and spatial imaging are as precise as they are emotionally engaging.
Master craftsmanship & intelligent design
Each unit is built by skilled specialists in Cambridgeshire, UK, with meticulous attention to detail. The solid aluminium chassis reflects exceptional manufacturing quality and protects the sensitive electronics from external influences.
A modular construction and advanced software architecture ensure Bartók APEX stays current not just today, but for years to come — performance and feature updates can be installed easily via firmware.
Intuitive control & maximum flexibility
With the dCS Mosaic app you can manage streaming services, digital sources and system options from one intuitive interface — on iOS, Android or tablet.
Bartók APEX supports virtually all relevant formats, offers native DSD and DoP, enables true 24-bit streaming over Ethernet, and provides numerous filters and upsampling options to tailor the sound to your preference.
The result: a versatile digital centerpiece that combines reference performance, future-proof architecture and captivating musicality.
| Type | Upsampling network DAC with headphone amplifier |
| Finish | Silver or Black |
| Dimensions | 444 mm (W) × 430 mm (D) × 115 mm (H) / 17.5" × 17.0" × 4.6" Allow additional depth for cable connectors |
| Weight | 16.7 kg / 36.8 lbs |
| DAC topology | dCS proprietary Ring DAC™ topology |
| Digital inputs | Ethernet RJ45 (up to 24-bit/384 kHz PCM, DSD64 & DSD128 DFF/DSF) USB 2.0 Type-B (up to 24-bit/384 kHz PCM, DSD64 & DSD128 DoP) USB OTG (up to 24-bit/384 kHz PCM, DSD64 & DSD128 DoP) AES/EBU (up to 24-bit/192 kHz PCM, DSD64 & DSD128 DoP) Dual AES (up to 24-bit/384 kHz PCM, DSD64 & DSD128 DoP) S/PDIF (RCA, BNC, Toslink, up to 24-bit/192 kHz PCM, DSD64 DoP) |
| Analog outputs | 1 × balanced (XLR), output levels: 0.2 V / 0.6 V / 2 V / 6 V RMS 1 × unbalanced (RCA), output levels: 0.2 V / 0.6 V / 2 V / 6 V RMS Min load: 600 Ω (XLR), 52 Ω (RCA), recommended: 10 kΩ–100 kΩ |
| Headphone outputs | 1 × 4-pin XLR (balanced) 1 × 6.35 mm (1/4") jack Full-scale: 1.4 W RMS @ 33 Ω, 0.15 W RMS @ 300 Ω Minimum headphone impedance: 33 Ω |
| Power consumption | 30 W typical / 50 W maximum |
| Type | Upsampling network DAC with headphone amplifier |
| Colour | Silver or Black |
| Dimensions | 444mm (W) × 430mm (D) × 115mm (H) / 17.5" × 17.0" × 4.6" Please allow extra depth for cable connectors |
| Weight | 16.7 kg / 36.8 lbs |
| Converter Type | dCS proprietary Ring DAC™ topology |
| Digital Inputs | Ethernet RJ45 (up to 24-bit/384kHz PCM, DSD/64 & DSD/128 in DFF/DSF format) USB 2.0 type-B (up to 24-bit/384kHz PCM, DSD/64 & DSD/128 DoP) USB On-The-Go (up to 24-bit/384kHz PCM, DSD/64 & DSD/128 DoP) AES/EBU (up to 24-bit/192kHz PCM, DSD/64 & DSD/128 DoP) Dual AES (up to 24-bit/384kHz PCM, DSD/64 & DSD/128 DoP) SPDIF (RCA, BNC, Toslink, up to 24-bit/192kHz PCM, DSD/64 DoP) |
| Analogue Outputs | 1 × balanced pair (XLR), output levels: 0.2V, 0.6V, 2V, 6V RMS 1 × unbalanced pair (RCA), output levels: 0.2V, 0.6V, 2V, 6V RMS Minimum load: 600Ω (XLR), 52Ω (RCA), recommended: 10k–100kΩ |
| Headphone Outputs | 1 × stereo balanced 4-pin XLR 1 × stereo 6.35 mm (1/4") jack Full-scale output: 1.4 W RMS into 33Ω, 0.15 W RMS into 300Ω Minimum headphone impedance: 33Ω |
| Wordclock I/O | 2 × Word Clock inputs (BNC), accepts standard word clock at 44.1, 48, 88.2, 96, 176.4, or 192kHz 1 × Word Clock output (BNC, TTL-compatible) |
| MQA | Full decoding and rendering of MQA data from network and USB inputs |
| Residual Noise | 24-bit data: Better than –113dB (20Hz–20kHz, unweighted, 6V output setting) |
| L/R Crosstalk | Better than –115dB (20Hz–20kHz) |
| Spurious Responses | Better than –105dB (20Hz–20kHz) |
| Filters | Up to 6 PCM filters for different sonic characteristics DSD mode: 4 filters for noise shaping; Filter 5 with improved transient response |
| Conversion | User-selectable PCM upsampling to DXD, DSD or DSDx2 |
| Software Updates | Download and install via dCS Mosaic Control app |
| Local Control | dCS Mosaic Control app RS232 interface (for 3rd party automation) dCS Universal Remote available as an option |
| Power Supply | Factory set to either 100, 115/120, 220 or 230/240V AC, 50/60Hz |
| Power Consumption | 30 Watts typical / 50 Watts maximum |