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Contact SupplierComputer Speakerss, or multimedia Speakerss, are Speakerss external to a computer, that disable the lower fidelity built-in Speakers.Â
They often have a low-power internal amplifier. The standard audio connection is a 3.5 mm (approximately 1/8 inch) stereo phone connector often color-coded lime green (following the PC 99 standard) for computer sound cards. A few use a RCA connector for input.Â
There are also USB Speakerss which are powered from the 5 volts at 500 milliamps provided by the USB port, allowing about 2.5 watts of output power. Computer Speakerss were introduced by Altec Lansing in 1990.