8 Balanced Armature | 10Hz-18900Hz (+-20dB into 711 ICE coupler) |
3way cross-over in Single Phase configuration | Dual Low, Dual Low-mid, Dual full-range, Dual tweeter |
107dB @1kHz @0.1V | 50 Ohm @1kHz |
Silicone body | Vented receivers for better bass response |
Similar earphones signature: HD650, Sennheiser IE80, Westone 4, 1964 Quads
These IEMs are meant to be used with either low or high impedance sources for best possible performance. High impedance sources will not have effect on bass response and will decrease high frequencies. Use of external headphone amplifier is highly recommended.