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C4 Powered Subwoofer

Quick Overview

Unobtrusive, handsome, and powerful, the C4 subwoofer provides an incredible bass output with immaculate control. With a 200W on-board amplifier driving a 200mm (8in) front-firing bass cone, the C4 is engineered to minimise distortion as meticulously as the rest of the range and adds effortless depth and weight to any performance.
  • Features
  • Specifications
  • Awards and Reviews

Gold-plated terminals

The exceptional acoustic definition you experience depends on the recorded signal being perfectly transmitted, so to eliminate the risk of tarnishing, the binding posts of the C Series are gold-plated.

Gold-plated terminals

C Series Hi-Fi Speakers

The C Series brings KEF's audio technology and 'know how' to affordable hi-fi loudspeakers. Both beautifully styled and incredibly versatile the C Series perform as well as speakers twice their price.


Additional Information

Design Powered bass reflex
Drive Units 1 x 200mm (8in.) LF
Frequency Response 29Hz - 140Hz (+/-3dB)
Maximum Output 108dB
Amplifier class 200W built-in Class-D
Magnetic Shielding Yes
Low level signal inputs RCA phono sockets
Dimensions 345 x 320 x 377 mm (13.6 x 12.6 x 14.9 in.)
Weight 12.2kg (27lbs)
Unit measurement Piece
Document Download C Series Brochure
C Series Manual
Awards and Reviews

Sélection « 4 stars »
Year: 2012
Magazine / Issuing Body: La Revue du Son
Country: France
Product: C Series
  • C4 Powered Subwoofer