BNO Acoustics HD-70 Frequency

Practically speaking, high frequency means high pitch and low frequency means low pitch.

Foot Switch
A switch placed on the floor and pressed by a musician to do various functions.

BNO Acoustics GT-60 Ampere
The unit of current, abbreviated Amp.

Images
The squaring of the waveform that happens in the conversion of digital audio bits into analog signals.

BNO Acoustics Speakers Analog (Analogue)
Representative, continuous changes that relate to another quantity that has a continuous change.

Attenuation
A making smaller: reduction of electrical or acoustic signal strength.

IC
Abbreviation of Integrated Circuit (A miniature circuit of many components that is in small, sealed housing with prongs to connect it into equipment).

Current
The amount of electron charge passing a point in a conductor per unit of time.