Large active subwoofer bass reflex/horn The TTS56-A is a highly powerful active subwoofer that sets new standards in its category. The new 21" neodymium woofer represents years of development focused on producing high-quality and groundbreaking speakers. The integration of a 6800W digital amplifier and advanced processing sets new standards for sound quality and thermal efficiency. - 2 x 3400 W digital amplifiers - 2 x 21" powerful neodymium woofers - 96 kHz, 32-bit DSP processing - Remote monitoring - Delay settings - Cardioid preset