![]() Test the computer or laptop sound output with the amplifier’s volume knob (if present) slightly up.Then from there to each speaker, making sure to match the polarity as marked. Connect the positive and negative speaker wire pairs to the labeled amplifier speaker outputs.Connect the other end (RCA plugs) to the amplifier’s RCA inputs.This is an inexpensive RCA Y adapter cable with a headphone 3.5mm stereo plug on one end. Connect the output jack as shown to a 3.5mm (1/8 inch) headphone plug to RCA plug adapter.Connecting passive speakers (non-powered speakers) to a computer or laptop You’ll only need a few watts of power, so don’t worry. I used an inexpensive mini amp to drive bookshelf speakers with excellent results. If you have an old speaker set or some type of extra external speaker set handy, it’s possible to have great sound from your computer! However, if you don’t already own a home stereo receiver or amp you’ll need one. Using a mini amplifier to drive your speaker system DIAGRAM – How to connect stereo speakers to a computerġ. Today’s laptops usually include a built-in Bluetooth device meaning you have another option as I’ll show you below. ![]() The headphone jack is also a stereo connector with a 3.5mm (1/8 inch) standard size. However, most of the time the headphone jack can be used. Laptops are a different situation as they don’t normally provide a dedicated line level output jack. In some cases, the label may be a bit harder to see and you’ll need to look more closely or check the owner’s manual. The jack you need on a computer is often color-coded with green and a symbol as shown in the photo above. A line level output provides a low-level signal that can be amplified by any amplifier, stereo receiver, or powered computer speaker set. These are provided both with an add-on sound card or the original motherboard. Pretty much all desktop PC computers have a dedicated line level audio jack. How to connect stereo speakers to a computer or laptop Which jacks should I use? Dealing with electrical hum through your speakers.Good mini amplifiers to use for powering speakers.What if I have no sound with everything connected?.Using Bluetooth connectivity and a Bluetooth adapter DIAGRAM – How to connect stereo speakers to a computer.How to connect stereo speakers to a computer or laptop.Laptop computers have built-in integrated speakers, usually small and of restricted sound quality to conserve space. Some computer displays have rather basic speakers built-in. The larger subwoofer enclosure usually contains the amplifiers for the subwoofer and the left and right speakers. More sophisticated computer speakers can have a subwoofer unit to enhance bass output. Bluetooth speakers can be connected with a computer by using an Aux jack and compatible adaptor. Some computer speakers have equalization features such as bass and treble controls. Computer speakers sometimes packaged with computer systems are small, plastic, and have mediocre sound quality. Ĭomputer speakers range widely in quality and in price. Altec Lansing claims to have created the computer speaker market in 1990. Most computers have speakers of low power and quality built in when external speakers are connected they disable the built-in speakers. Battery-powered wireless Bluetooth speakers require no connections at all. ![]() The signal input connector is often a 3.5 mm jack plug (usually color-coded lime green per the PC 99 standard) RCA connectors are sometimes used, and a USB port may supply both signal and power (requiring additional circuitry, and only suitable for use with a computer). Most such speakers have an internal amplifier and consequently require a power source, which may be by a mains power supply often via an AC adapter, batteries, or a USB port. A pair of external speakers for notebook computers that are powered and audio-connected to the computer via USBĬomputer speakers, or multimedia speakers, are speakers sold for use with computers, although usually capable of other audio uses, e.g. ![]()
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