Jamo by Klipsch S 626 Floor Standing 3 Way Speaker - Black (Pair) 1-inch (25 cm) soft dome tweeter/dual 5-inch (127 cm) aluminized midrange drivers/ 8-inch (203 cm) side-firing woofer. Bass-reflex design with dual flared, rear-firing ports: Increases speaker efficiency and bass output. Waveguide: Provides more uniform dispersion in the critical frequency range of 2-10 kHz. Dynamics and clarity are enhanced while distortion is significantly reduced. Aluminum centre-plug: Eliminates cone breakup for faster attack and increased vocal clarity. Additional voice-coil cooling reduces power compression. Aluminized midrange drivers: Increases cone rigidity and vocal clarity Side-firing woofer: Provides a slimmer cabinet design and bass optimization for varying room acoustics.