The Heco Signature Sub 30A is a powerful active bass reflex subwoofer designed to deliver deep and immersive sound. With a 300 mm woofer, it efficiently reproduces low frequencies, making it suitable for both music and cinematic experiences. The subwoofer operates within a frequency response range of 20 to 200 Hz and has an impedance of 4 Ohms. The output power reaches 150 Watts RMS and peaks at 250 Watts, ensuring that it can handle dynamic audio without distortion. The adjustable crossover frequency allows users to set the transition range between 50 to 150 Hz, providing flexibility in tuning to different audio setups. Its construction features a robust MDF cabinet with internal bracing to minimize unwanted resonance, enhancing overall sound clarity. The dimensions of the subwoofer are approximately 354 mm in width, 430 mm in height, and 412 mm in depth, weighing around 19.5 kg. The Heco Signature Sub 30A is available in various finishes, adding a stylish element to its performance-focused design.