C9 SUR II Surround Sound Speakers

The C 9 SUR II surround speakers provide a premium surround sound experience for your home theater and blend seamlessly into your decor with sleek, minimalist lines.

  • Concert-level sound reproduction through a high-quality woofer system
  • Deeper bass and less distortion using technology to move the sound further
  • A cleaner sound throughout your space, even if you change seats
Black White Dark Apple
C9 Sur II Dark Grey Front
C9 Sur II Dark Grey Front


The C 9 SUR II is a 3-way sealed surround speaker, designed for exceptional detail and balanced, dynamic reproduction of surround effects.



Patented Midrange Phase Diffusion technology makes sure your surround effects fit perfectly into the rest of your in-home theater system sound.

C9 Sur II Dark Grey Front Grilles
C9 Sur II Dark Grey Front Grilles


The Concert 9 Series II surround speakers bring to life several key aesthetic changes, including high-quality wood grain finishes, full-length woven tweed grilles, sleeker chrome logos, satin aluminum trim rings, and centre plugs to seamlessly integrate into your space.


System Type3-Way Sealed
Frequency Response (Hz, +/-3dB)80Hz - 24kHz
Sensitivity87 dB
High Frequency Driver25 / 1 Silk Dome with WaveGuide
Midrange Driver95.3 / 3.75 HCCC Cone
Low Frequency Driver101.6 / 4 HCCC Cone
Impedance6 Ohm
Power Handling (Watts Long/Short Term)120 / 240
InputsChrome plated screw terminals
Dimensions350 X 318.5 X 196 / 13.8 x 12.5 x 7.7
Weight (Kg/lb)8.2 / 18

Spec Sheet

For more technical detail, download the Spec Sheet here: C 9 SUR II Spec Sheet v01 2 .