Kinera Freya 2.0 Technical Specification 7mm DD + 3 Knowles BA Impedance: 20 ohm Sensitivity: 105 dB Frequency Response: 20Hz-50kHz Alloy Copper Cable Plug with 3.5mm and 4.4mm Final Type E eartips x 5 ( SS/S/M/L/LL ) K-07 balanced eartips x 3 ( S/M/L ) 221 vocal eartips x 3 ( S/M/L ) Tuning...