This list contains links to our photography, which serves the purpose of introducing the physical and aesthetical characteristics of an audio product. For example the shape of an iem’s earpieces, nozzle angle/length/lips, features that predict comfort and fit for many…and that are therefore important dealmakers/-breakers for some even prior to sonic testing. Of course we give a the tech specs and frequency responses, too.

Instead of first impressions, we offer completely flavour-neutral optical treatments before following up with our exhaustive reviews of the products’ performances.

Current Photography

  1. BQEYZ Autumn vs. BEQYZ Summer (Jürgen Kraus)
  2. Hidizs MM2 (Jürgen Kraus)
  3. IKKO OH2 vs. IKKO OH1S (Jürgen Kraus)

Vintage Photography (prior to March 2022)

  1. AME Custom Argent Hybrid Electrostatic (Jürgen Kraus)
  2. Anew X-One (Jürgen Kraus)
  3. Blon BL-05 Beta (Jürgen Kraus)
  4. Blon BL-05 Beta (Jürgen Kraus)
  5. Blon BL-05 MKI & MKII (Jürgen Kraus)
  6. BQEYZ Spring 1 (Jürgen Kraus)
  7. BQEYZ Spring 2 (Durwood)
  8. CCA CA16 (Durwood)
  9. Drop + JVC HA-FXD1 (Jürgen Kraus)
  10. Fidue A65/A66 (Jürgen Kraus)
  11. FiiO FD1 (Jürgen Kraus)
  12. FiiO FHs1 (Jürgen Kraus)
  13. Hill Audio Altair • RA (Jürgen Kraus)
  14. iBasso IT01 V2 (Jürgen Kraus)
  15. Hilidac Atom Pro (Jürgen Kraus)
  16. Ikko OH1 (Jürgen Kraus)
  17. KBEAR Believe (Jürgen Kraus)
  18. KBEAR Diamond (Jürgen Kraus)
  19. KBEAR hi7 (Jürgen Kraus)
  20. KBEAR KB04 (Jürgen Kraus)
  21. KBEAR Lark (Jürgen Kraus)
  22. Kinboofi MK4 (Jürgen Kraus)
  23. KZ ASX (Jürgen Kraus)
  24. KZ ZSN Pro (Slater)
  25. Moondrop Crescent (Jürgen Kraus)
  26. Moondrop Illumination (Jürgen Kraus)
  27. Moondrop Kanas Pro Edition (Jürgen Kraus)
  28. Moondrop SSP (Jürgen Kraus)
  29. Moondrop SSR (Jürgen Kraus)
  30. Moondrop Starfield (Jürgen Kraus)
  31. NiceHCK Blocc 5N Litz UPOCC OCC Copper Earphone Cable
  32. NiceHCK Litz 4N Pure Silver Earphone Cable (Jürgen Kraus)
  33. NiceHCK NX7 (Jürgen Kraus)
  34. NiceHCK NX7 Pro (Jürgen Kraus)
  35. Queen of Audio Pink Lady (Jürgen Kraus)
  36. Revonext QT5 (Slater)
  37. SeeAudio Yume (Jürgen Kraus)
  38. Senfer DT6 (Slater)
  39. Sennheiser IE 300
  40. Sennheiser IE 500 PRO
  41. Shozy Form 1.1 and Shozy Form 1.4
  42. Shozy Form 1.4 (Jürgen Kraus)
  43. Shozy Rouge (Jürgen Kraus)
  44. Simgot EM2 (Jürgen Kraus)
  45. Simgot EN700 Pro (Slater)
  46. Smabat ST-10 (Jürgen Kraus)
  47. Tin Hifi T2 Plus (Jürgen Kraus)
  48. Tin-Hifi T4 (Jürgen Kraus)
  49. TRN-STM (Jürgen Kraus)
  50. TRN V90 (Jürgen Kraus
  51. TRN-VX (Jürgen Kraus)
  52. Whizzer Kylin HE01 (Jürgen Kraus)
FB Group


  • Photography 1

    Head-Fier since 2016. He has been known as “Otto Motor” to Head-Fiers, as “Dr. Schweinsgruber” to users and Youtubers, and as “Brause” to Super Best Audio Friends and the Headphone Community. - For the purpose of confusion, he decided to pose under his real name Jürgen Kraus (“JK”) from now on. - This is a hobby. In “real” life, Jürgen is a professional geologist operating his own petroleum-exploration consulting company Franconia Geoscience Ltd. (see ad in the footer) based in Calgary, Canada. He holds German and Canadian passports. Jürgen had a classical music education from childhood through high school in Germany and he has been following popular music developments since the late 1970s. His understanding of arts and crafts was influenced by Bauhaus pragmatism: “less is more” and “form follows function”.