Ashdown ABM-600-EVO IVUnleash your bass's true potential with the Ashdown ABM EVO IV. For over two decades, the ABM range has been the go to choice for bassists seeking unrivalled tone, versatility, power, and reliability. Now in its fifth iteration, the ABM EVO IV pushes the boundaries further. The 600W head features the Variable Valve Drive Plus, offering an array of clean to overdriven tones at your fingertips. The new 9 band EQ, with precision controls, ensures you