MOONDROP ARIA 2 MOONDROP ARIA 2 Review Specs Sensitivity: 122dB/Vrms (@1kHz) Impedance: 33Ω±15% (@1kHz) Frequency Response Range: 16Hz-22kHZ (IEC61094, Free Field) Effective Frequency Response Range: 20Hz-20kHZ (IEC60318-4, -3dB) EarphoneJack: 0.78-2pin THD+N: THD ≤0.05% (@1kHz) Cavity Material: Zinc Alloy Cavity + Brass Nozzle Plug: 3.5mm single-ended Price: $89.99