No matter how good your amp is, the speaker cabinet must also be top quality to have great tone. The Peavey 212-C and 212-6 extension cabinets have 18mm plywood construction. The 212-6 features 2 premium Celestion Greenback 25 speakers. The 212-C features 1 Celestion Vintage 30 speaker, which is renowned for its midrange, and 1 Celestion G12-T 75 speaker, which has enhanced high and low end. The back of each cabinet is convertible for changing the cabinet to an open back configuration. A stereo/mono input cup, rubber feet and metal corners complete the package. Great quality, great look, great tone and great value!