BNO Acoustics BP-40 Headphones

Devices that can be worn on the head with small speakers that fit over the ears (or sometimes into the ears).

DC
Abbreviation for direct current.

BNO Acoustics TS-10 Centre Frequency
The frequency of the audio signal that is boosted or attenuated most by an equalizer with a peak equalization curve.

Foot (Foot Drum)
Another name for Bass Drum (the largest drum in the Drum Kit which puts out bass frequencies and is played with a foot pedal).

BNO TS-10 Front Loaded
A speaker cabinet where the speaker faces out toward the front.

Line
1) Short for line level.
2) A cable.

Chord
Three or more musical pitches sung or played together.

Alternating Current
Electric current which flows back and forth in a circuit.