KEF's Ci160TR/160TS addresses installation challenges where cavity depth is limited. Featuring a formidable 8" subwoofer version of the ultra-thin T Series woofer driver, the KEF-Ci200TRb delivers uncompromised sound quality in compact spaces. Engineered with KEF's commitment to acoustic excellence, it requires less than 2.38" mounting depth, ideal for narrow ceilings or walls, making it suitable for high-end apartments or music systems. In passive mode, it complements KEF-Ci160TR round or Ci160TS square speakers, while active mode with the KEF KASA500 amplifier provides powerful subwoofer output for dynamic home theaters. The patented tension legs ensure secure, quick installation with one hand. This ultra-thin form factor speaker is a perfect solution for space-limited applications. Explore KEF's unique speaker options for your audio needs. Specific warranty terms and details for KEF products can be found here.