LA-1B introduction • Designed in Small size easy installation . • Cabinet is designed in a efficient way, help the subwoofer perform very well. • The transient performance is perfect. • Fit for fixed installation or touring as the main bass subwoofer . Could stack with LA-1 as a system. • Each type of cavity design technology .Efficient electricity sound conversion efficiency. • LA-1B have powerful output could display the music in clear rhythm have pure plump sound. • Could display the music in a wide dynamic range, Let the sound transmission for long distance. • LA-1B have use the update technical as follows • The best frequency extended • Best Acoustic frequency conversion.