This may have serious implications for diffusion systems where the bass is presented over a limited number of subwoofers or for replay of electroacoustic works over headphones.
They connect to an amplifier like a normal subwoofer.
Continuously variable phase control circuits are common in subwoofer amplifiers, and may be found in crossovers and as do-it-yourself electronics projects.
It has been used to isolate subwoofers from turntables.
The most common ones are the woofer, mid-range and tweeter, as well as subwoofers which are becoming very common.
Both had a headphone jack in the front of one speaker along with the volume control and an optional subwoofer connection port on some models.
For example, one can add a subwoofer as well as different types of decals.
The, contained a subwoofer connected to a sound system that made the bed vibrate.
