Skip to content
🔴 EXTRA 20% off Clearance Vinyl, use code EXTRA20 shop now
🔴 EXTRA 20% off Clearance Vinyl, use code EXTRA20 shop now
  1. 🚚 Free Shipping on Orders over $99 to Continental US
  2. 10% OFF 4️⃣ or MORE Records Every Day! details
  3. 🔴 Save On Audio Gear shop gear specials

Head Box S2 Digital - Black - (Open Box Special)

SKU bst-eq-1640-cert9

high performance headphone amp + DAC w/ 32bit + DSD256 support
Write a review
| Ask a question
sale Current Price$349.00 Original Price$449.00
TTL Rewards icon Earn up to 3490 Reward Points with this purchase! Read more
  • Get more info on our FREE SHIPPING terms
  • 📦 Standard Shipping ships within 1-3 Business Days
  • 🌎 International Shipping Experts, Fully Tracked
  • ⇨ Need a gear recommendation or a customized package?
  • Contact our support team for all your questions!

    Contact support for recommendations or customization questions

    We answer requests Mon-Fri 10am-6pm EST

  • Lab Overview
  • Review & Q+A
  • Tagged

Lab Overview

Open Box / B-Stock Notes

  • exterior grade: 9.0 out of 10 - near mint, very light surface wear
  • item cosmetic note: n/a
  • item function: ✔️ tested
  • item exterior packaging: original, packaging may show damage
  • note: all open box / b-stock items are final sale


  • audiophile grade headphone amplifier + DAC
  • significantly better sound than standard headphone outputs from integrated amplifiers
  • supports playback for PCM files up to 32bit / 768kHz + DSD decoding up to quad DSD (DSD256)
  • coaxial, optical + double noise-filtered USB inputs  ensure connectivity with a wide range of digital sources
  • 1/4" headphone output on front panel, stereo RCA output on rear panel
  • 5 selectable digital filter characteristics
  • suitable for headphones w/ low or high impedance
  • extremely low noise + distortion
  • full metal housing protects against vibrations + electromagnetic interference
  • DC power supply
  • handmade in Europe

"Head Box S2 Digital comes fully equipped for the highest demands of the modern audiophile. It supports playback for PCM files up to 32bit / 768kHz and DSD decoding up to quad DSD (DSD256). Head Box S2 Digital also comes with five digital filters for soundshaping to the listeners preferences. Three digital inputs ensure to connect to any source available, be it a personal computer via the USB B input or a TV set via the optical input. The coaxial S/PDIF input takes all data from a digital transport such as the CD Box DS2 T. All inputs offer support for high resolution data up to 24bit /192kHz." - Pro-Ject 


  • DAC profile: 1x ESS9038Q2M 32 bit
  • headphone output power: 68 mW /32 Ohm, 6.6 mW / 600 Ohm
  • frequency response: 20 Hz - 20 kHz
  • output voltage: 2,05 Veff
  • THD: 0,0007% at 0dB, 2V RMS, 1kHz
  • power supply: 5V/1A DC (included)
  • dimensions: 4.8” x 4.05” x 1.46” / 122 x 103 x 37 mm
  • weight: 0.8 lbs / 0.36kg
UPC: 9120071658625

Review & Q+A


Labheads Also Viewed