Technical features Diamond tweeter Solid body Tweeter-on-Top Continuum cone bass/mid Matrix™ Anti-Resonance plug Flowport™ Description 2-way vented-box system Drive units 1x ø25mm (1in) diamond dome high-frequency 1x ø165mm (6.5in) Continuum cone bass midrange Frequency range 34Hz to 35kHz Frequency response (+/-3dB from reference axis) 42Hz to 28kHz Sensitivity (on axis at 2.83Vrms at 1m) 88dB Harmonic distortion 2nd and 3rd harmonics (90dB, 1m on axis) <1 % 90Hz – 20kHz <0.