Massdrop x Sennheiser HD 58X Audiphile Jubilee Headphones ———— Contents: Headphones, Cable. USED - Tested Working Condition. ———— The HD 58X Jubilee uses Sennheiser’s new 150-ohm drivers, which require less amplification than previous driver platforms while retaining the same magnet strength and driver size. This makes the new headphone easier to drive from sources like your mobile phone or digital audio player. The sound is clear, fast, dynamic, and lively: reminiscent in some ways of the HD 600 and in others of the HD 650. It places an emph