Head Box S2 Digital

£245.00
  • High-quality DSD-capable DAC
  • Headphone and Fixed RCA outputs
  • Roon Tested

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How To Buy

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Find Your Local Retailer

Our preferred option is for you to visit a nearby store and buy what you need locally. Our authorised stockists are some of the finest specialist hi-fi retailers in the country, and they're equipped to give you the best after-sales and set-up advice possible - all in person. To find your local retailer, either click the 'Buy In-Store' button on your product page for exactly the right recommendation, or head to our comprehensive Where To Buy tool.

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S2-Line

The Head Box S2 Digital takes the advanced digital design of the DAC Box S2+ but adds headphone support to the outputs for added convenience.

With support for PCM files up-to 32-bit / 768kHz and quad-DSD decoding (DSD256) via the rear-mounted USB port, there's very little this compact device can't handle with ease. The clever internal design means unwanted noise entering the system via USB is double-filtered to suppress it to insiginficantly low levels. Fully Hi-Res Audio certified and Roon Tested, the Head Box S2 Digital is a DAC that's more than comfortable in far more expensive audio systems. 

For alternative digital sources, the Head Box S2 Digital also has an optical input and coaxial S/PDIF input (both limited to 24-bit/192kHz conversion), so nothing should be out of reach - whether you're looking to connect CD players, network streamers or a computer. 

Regardless of the input used, Pro-Ject's proprietary Optimum Transient Digital Filter and complimentary clock circuitry design allows the Head Box S2 Digital to manage jitter down as low as 100 Femtoseconds, ensuring the tightest and most capable audio performance possible. The sound can then be tailored to suit any listener's preference thanks to the other four digital filters included with the ESS Sabre ESS9038Pro DAC chip.

The internal layout of the Head Box S2 Digital borrows further from the Pre Box S2 Digital design to ensure the best possible performance. Through the clever use of polymer capacitors and thin-film miniMELF resistors it is possible to fit all this technology into such a small chassis. Elsewhere, industry-first innovations in the dual-regulator architecture makes sure the sound performance does justice to the true high-end formats you can play through the DAC. 

The Head Box S2 Digital's front-seated 6.35mm headphone output delivers a clean and precise sound with a musical touch. The rear-mounted RCA outputs are a fixed Line Level output for easy connection to an existing amplifier - turning the Head Box S2 Digital into both a full system DAC and a high-quality headphone amplifier 

Power is provided by the included power supply, but you can upgrade your convenience further by switching to any 5V power bank. Housed within the improved S2 chassis, the overall build, feature list and performance of the Head Box S2 Digital is enviable for the price.

Key Features:

  • High-end ESS Sabre ESS9038 DAC
  • Proprietary clock circuitry design
  • Organic polymer capacitors and thin-film miniMELF resistors
  • 32-bit / 768kHz PCM support
  • Up-to DSD256 (DSD over PCM) support
  • Up-to 24-bit / 192kHz support for optical & coax inputs
  • Five selectable digital filter characteristics
  • One filter is proprietary optimum transient digital filter
  • Synchronization of all internal oscillators
  • Jitter as low as 100 Femtoseconds
  • Front-mounted high-quality headphone output
  • Fixed level RCA outputs for connection to an amplifier
  • Gold plated four layer PCB
  • Premium S2 chassis
  • Available in black or silver

Technical Data

DAC:  1x ESS9038Q2M 32-bit PCM 768kHz / DSD256
Digital Inputs:  1x Coax (S/PDIF)
2x Optical (TOSlink®)
1x USB B
Headphone Amp Chip: ESS9063
Sampling Rates: 32kHz
44.1kHz
48kHz
88.2kHz
96kHz
176.2kHz
192kHz
352.8kHz
384kHz
768kHz
DSD Support: DSD64
DSD128
DSD256
Filter Settings: 5x Selectable
Frequency Response: 20Hz - 20kHz
THD: 0.0007%
Analogue Outputs: 1x Headphone (6.35mm Jack)
1x Pre Out (RCA)
Dynamic Range: 120dBA
Output Voltage: 2.05 Veff
Power Consumption: 5V. Micro USB
Dimensions: 103 x 37 x 120mm
Weight: 366g (Without PSU)
Note: We’re constantly updating our website to ensure all our listings are as accurate as possible. However, the images and text on this page can be subject to change without notice, and errors and omissions are excepted.

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