SOUND-100SUB With the 2-way active systems and the subwoofers of the SOUND series, powerful and powerful speakers are available in different sizes and features. What Allen have in common is the construction in high-quality bass reflex MDF housings and the use of magnetically shielded speakers. They are ideal for use as active hi-fi speakers, high-end PC speakers and for powerful small sound systems such as: B. Media presentations. Active subwoofer box, 120 W •Bass-strong and impulsive active subwoofer to complement the SOUND active systems but also all other compact speakers in the hi-fi, home cinema and home recording sectors •In addition to the variable input sensitivity, the amplifier has a phase Switch and a switchable automatic switch-on via an adjustable crossover frequency (50-150 H