I thought I make this as I feel Rosie will be big. Credit goes to DAR Australia Specs: Custom-made Proprietary Balanced Armature Drivers (6BA per side) Powered by soundrIVe technology : Dual low, Dual Mid and Dual High balanced armature drivers per side Variable bass output, adjustable from cable : user controlled low frequency drivers with the adjustable bass (0 - +15dB). Frequency ranges from flat bass response up to +15dB (10Hz to 100Hz) Integrated 4th Order crossover Triple Bore with Stainless Steel Tubing Noise Isolation -26dB Moon Audio IEM cable for 3.5mm unbalance and 2.5mm balance cable both are included in the package Official product page:http://www.astellnkern.com/ It is placed at the cheapest JH/AK lineup. Sound is said to be similar to JH13 but the bass knob places it between Roxanne and Layla when it is all the way up. Price is 899 USD, 1399 AUD.