The Heco Superior Sub 20 A is a subwoofer manufactured by Heco, a German audio company. It features a built-in amplifier and is designed to enhance the low-frequency range of audio playback. The subwoofer has a frequency response range of 22 Hz to 200 Hz and delivers a maximum power output of 200 watts. It offers adjustable volume, phase, and crossover controls to optimize the bass performance according to the listening environment. The Heco Superior Sub 20 A is known for its powerful and dynamic bass reproduction.
