03-28-2012 09:35 PM

Acronym for International Auto Sound Challenge Association.

03-28-2012 09:35 PM

Acronym for In Car Entertainment.

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Refers to a source of power in the vehicle (controlled by the ignition switch) that has +12VDC on it when the ignition key is both in the run and... [Read more]

03-28-2012 09:35 PM

Acronym for Infinite Impulse Response Filter. A digital filter employing a single stage, through which the signal is passed repeatedly to achieve the... [Read more]

03-28-2012 09:35 PM

The rejection of the same signals that can be received at two or more points on the dial of a tuner by a single radio station (ghost, images). Image... [Read more]

03-28-2012 09:35 PM

The reproduction of sound accurately so that the listener can imagine the original environment and placement of the original sound sources accurately... [Read more]

03-28-2012 09:35 PM

Expressed in ohms, impedance represents the resistance to the flow of current in the signal. Impedance includes resistance from any source, including... [Read more]

03-28-2012 09:35 PM

The ability to induce an electrical current. Measured in Henrys. The capability of a coil to store energy in a magnetic field surrounding it. It... [Read more]

03-28-2012 09:35 PM

Radiated noise that is transmitted through a magnetic field to surrounding lines.

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An electrical component in which impedance increases as the frequency of the AC decreases. Also known as coils that are used in passive crossovers.... [Read more]

03-28-2012 09:35 PM

A loudspeaker baffle of infinite space that has no openings for the passage of sound from the front to the back of the speaker. Also, a sealed... [Read more]

03-28-2012 09:35 PM

A filter designed to remove extremely low frequencies inaudible by the human ear, usually between 0 to 25Hz.

03-28-2012 09:35 PM

Two or more signals that have the same waveform and identical amplitude in synchronization.

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Connection from signal source (a guitar or microphone) to a preamp and amplifier.

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Adjusts the amount of input signal being fed to the amplifier stage to reduce distortion.

03-28-2012 09:35 PM

A material that electrically isolates a conductor or thermally isolates an object from its surroundings.

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An audio component that combines pre-amplifier elements (multiple inputs, built in tuners, equalization, source switching) and amplifiers in a single... [Read more]

03-28-2012 09:35 PM

Cables that are used to connect components at a low signal level. Examples include CD player to receiver, pre-amplifier to amplifier, etc. Most... [Read more]

03-28-2012 09:35 PM

The distortion generated in single cone speakers when the cone is reproducing a high and low frequency simultaneously. The high frequency peaks will... [Read more]

03-28-2012 09:35 PM

Lets you hear the first few seconds of each track on a CD. Hit the button again when you hear the song you're looking for. The scanning feature will... [Read more]

03-28-2012 09:35 PM

Takes the input signal and applies a 180º phase shift.

03-28-2012 09:35 PM

Enclosure in which one woofer is buried in the enclosure and the other is mounted up against the first and wired in reverse polarity. There are many... [Read more]

03-28-2012 09:35 PM

Refers to a mounting system in which the head unit is mounted behind the dash panel with side brackets, employing factory installed trim panels.

03-28-2012 09:35 PM

Electrical or acoustical separation to prevent the spread of noise and the effect on the signal of unwanted elements produced by internal or external... [Read more]