The HT-112 extension cabinet contains 1x12" 50W custom designed speaker. It has been produced to the highest standards and using the finest materials. Every care has been taken to ensure it produces the best possible sounds. Features: 12" 50W speaker custom designed by Blackstar - Designed for use with the HT-5 range. Dimensions: 443 x 249 x 444 mm. Weight: 10,72 kg.