Bass independent regulation: Bass signal output can operate independently, in addition to operating outside of the volume but also on the bass amplitude range fine-tuning. The discrete subwoofer output is controlled separately from the stereo output, with controls for level adjustment and crossover adjustment found on the amplifier's face High and low volume actuator: May be appropriate to adjust your style effect according to your needs for sound effect Aux Auxiliary Input: Audio source connectivity is provided via a front-mounted stereo 3.5 mm jack, or a stereo pair of RCA jacks on the rear of the amplifier, to external phone, DVD,CD, MP3, MP4 Blue-ray drives, notebook, PC, Tablet PC

A quiet fan system designed for cooling routers, modems, game consoles, and other AV components. Protects components from overheating, performance issues, and shortened lifespans. Programming features two thermal trigger modes and four speed control options.