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2. Speaker wire - Wikipedia

   en.wikipedia.org/wiki/Speaker_wire

   Speaker wire is a passive electrical component described by its electrical impedance, Z. The impedance can be broken up into three properties which determine its performance: the real part of the impedance, or the resistance, and the imaginary component of the impedance: capacitance or inductance. The ideal speaker wire has no resistance ...

3. Bi-wiring - Wikipedia

   en.wikipedia.org/wiki/Bi-wiring

   Bi-wiring is a means of connecting a loudspeaker to an audio amplifier, primarily used in hi-fi systems. Normally, there is one pair of connectors on a loudspeaker and a single cable (two conductors) runs from the amplifier output to the terminals at the loudspeaker housing. From this point, connections are made to the loudspeaker drivers ...

4. Covert listening device - Wikipedia

   en.wikipedia.org/wiki/Covert_listening_device

   A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and police investigations. Self-contained electronic covert listening devices came into common use with ...

5. Voice coil - Wikipedia

   en.wikipedia.org/wiki/Voice_coil

   Voice coil. A 7.5 cm diameter dual voice coil from a subwoofer driver. A voice coil (consisting of a former, collar, and winding) is the coil of wire attached to the apex of a loudspeaker cone. It provides the motive force to the cone by the reaction of a magnetic field to the current passing through it.

6. Electrostatic loudspeaker - Wikipedia

   en.wikipedia.org/wiki/Electrostatic_loudspeaker

   Electrostatic loudspeaker. Schematic showing an electrostatic speaker's construction and its connections. The thickness of the diaphragm and grids has been exaggerated for the purpose of illustration. An electrostatic loudspeaker (ESL) is a loudspeaker design in which sound is generated by the force exerted on a membrane suspended in an ...

7. Speaker terminal - Wikipedia

   en.wikipedia.org/wiki/Speaker_terminal

   A speaker terminal is a type of electrical connector often used for interconnecting speakers and audio power amplifiers. The terminals are used in pairs with each of the speaker cable 's two wires being connected to one terminal in the pair. Since speaker connections are polarized, the terminals are typically color-coded so that the positive ...

8. Digital speaker - Wikipedia

   en.wikipedia.org/wiki/Digital_speaker

   For the number of bits required for high-quality sound reproduction, the size of the system becomes impractically large. For example, for a 16-bit system with the same bit depth as the 16-bit audio CD standard, starting with a 0.5 cm 2 driver for the least significant bit would require a total area for the driver array of 32,000 cm 2, or over 34 square feet (3.2 m 2).

9. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

   www.aol.com/entertainment/20-off-raycon-earbuds...

   These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...