How exactly to connect a sub to a head unit
Tip: You don’t fundamentally want a radio with sub productivity jacks.
Subwoofers are widely-used in many home theater programs, but subs can also radically increase the audio of stereo techniques — and not soleley those with smaller speakers. Subs can supply a foundation toward sounds that couple of speakers can muster by themselves. So incorporating a sub is not just about adding many much deeper bass; fairly, a properly integrated subwoofer can improve the general noises from the system.
a subwoofer’s amount and crossover controls Steve Guttenberg/CNET