Matchless ES-412: 412 Extension CabinetMatchless speaker cabinets are manufactured using the best available raw materials from the wood down to the speaker components. Our speakers are modified in house to produce our signature tone. Each cabinet is voiced to produce the best possible tone for the size and power rating of the unit. We use the best available 11 ply Baltic birch wood and the toughest grade vinyl. Baffle designs are optimally tuned to produce maximum clean headroom and smooth