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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Computer speakers</span></span>
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</style><div role="note" class="hatnote navigation-not-searchable">Not to be confused with <a href="PC_speaker" title="PC speaker">PC speaker</a>.</div>
<p><b>Computer speakers</b>, or <b>multimedia speakers</b>, are <a href="Speaker_(audio_equipment)" class="mw-redirect" title="Speaker (audio equipment)">speakers</a> marketed for use with computers, although usually capable of other <a href="Audio_equipment" title="Audio equipment">audio</a> uses, e.g. for a <a href="Shelf_stereo" class="mw-redirect" title="Shelf stereo">shelf stereo</a> or <a href="Television" title="Television">television</a>. Most such speakers have an internal <a href="Audio_power_amplifier" title="Audio power amplifier">amplifier</a> and consequently require a power source, which may be by a mains power supply often via an <a href="AC_adapter" title="AC adapter">AC adapter</a>, batteries, or a <a href="USB" title="USB">USB</a> port. The signal input connector is often an analog <a href="Phone_connector_(audio)" title="Phone connector (audio)">3.5 mm jack plug</a> (usually color-coded lime green per the <a href="PC_System_Design_Guide#PC_99" title="PC System Design Guide">PC 99</a> standard); <a href="RCA_connector" title="RCA connector">RCA connectors</a> are sometimes used, and a USB port or <a href="Bluetooth" title="Bluetooth">Bluetooth</a> antenna may supply a digital signal to an onboard <a href="Digital-to-analog_converter" title="Digital-to-analog converter">DAC</a> (some of which work only on computers with an appropriate <a href="Device_driver" title="Device driver">device driver</a>). Battery-powered wireless speakers require no cables at all. Most computers have speakers of low power and quality built in; when external speakers are connected they disable the built-in speakers by default. <a href="Altec_Lansing" title="Altec Lansing">Altec Lansing</a> claims to have created the computer speaker market in 1990.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p><p>Computer speakers range widely in quality and in price. Computer speakers packaged with computer systems are typically small, plastic, and have mediocre sound quality. Some computer speakers have equalization features such as bass and treble controls. More sophisticated computer speakers can have a <a href="Subwoofer" title="Subwoofer">subwoofer</a> unit to enhance bass output. The larger subwoofer enclosure usually contains the amplifiers for the subwoofer and the left and right speakers.
</p><p>Some discrete <a href="Computer_display" class="mw-redirect" title="Computer display">computer displays</a> have rather basic integrated speakers, or accommodations for mounting matching satellite speakers or a <a href="Soundbar" title="Soundbar">soundbar</a> externally. <a href="Laptop_computer" class="mw-redirect" title="Laptop computer">Laptop computers</a> have built-in integrated speakers, usually small and of restricted sound quality to conserve space.
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<div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div>
<ul><li><a href="PC_speaker" title="PC speaker">PC speaker</a></li>
<li><a href="Loudspeaker_enclosure" title="Loudspeaker enclosure">Loudspeaker enclosure</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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<li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">
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</style><cite id="CITEREFAltec_Lansing" class="citation web cs1">Altec Lansing. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160106100536/http://www.alteclansing.com/gb/history/">"Our History"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.alteclansing.com/gb/history/">the original</a> on 6 January 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">29 December</span> 2015</span>.</cite></span>
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<div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Computer_speakers" class="extiw external" title="commons:Category:Computer speakers">Computer speakers</a></span>.</div></div>
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</style><div id="Basic_computer_components192" style="font-size:114%;margin:0 4em">Basic <a href="Computer" title="Computer">computer</a> <a href="Computer_hardware" title="Computer hardware">components</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Input_device" title="Input device">Input devices</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Pointing_device" title="Pointing device">Pointing devices</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Graphics_tablet" title="Graphics tablet">Graphics tablet</a></li>
<li><a href="Game_controller" title="Game controller">Game controller</a></li>
<li><a href="Light_pen" title="Light pen">Light pen</a></li>
<li><a href="Computer_mouse" title="Computer mouse">Mouse</a>
<ul><li><a href="Optical_mouse" title="Optical mouse">Optical</a></li></ul></li>
<li><a href="Optical_trackpad" title="Optical trackpad">Optical trackpad</a></li>
<li><a href="Pointing_stick" title="Pointing stick">Pointing stick</a></li>
<li><a href="Touchpad" title="Touchpad">Touchpad</a></li>
<li><a href="Touchscreen" title="Touchscreen">Touchscreen</a></li>
<li><a href="Trackball" title="Trackball">Trackball</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Computer_keyboard" title="Computer keyboard">Keyboard</a></li>
<li><a href="Image_scanner" title="Image scanner">Image scanner</a></li>
<li><a href="Graphics_card" title="Graphics card">Graphics card</a>
<ul><li><a href="Graphics_processing_unit" title="Graphics processing unit">GPU</a></li></ul></li>
<li><a href="Microphone" title="Microphone">Microphone</a></li>
<li><a href="Refreshable_braille_display" title="Refreshable braille display">Refreshable braille display</a></li>
<li><a href="Sound_card" title="Sound card">Sound card</a>
<ul><li><a href="Sound_chip" title="Sound chip">Sound chip</a></li></ul></li>
<li><a href="Webcam" title="Webcam">Webcam</a>
<ul><li><a href="Softcam" title="Softcam">Softcam</a></li></ul></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Output_device" title="Output device">Output devices</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Computer_monitor" title="Computer monitor">Monitor</a>
<ul><li><a href="Electronic_visual_display" title="Electronic visual display">Screen</a></li></ul></li>
<li><a href="Refreshable_braille_display" title="Refreshable braille display">Refreshable braille display</a></li>
<li><a href="Printer_(computing)" title="Printer (computing)">Printer</a>
<ul><li><a href="Plotter" title="Plotter">Plotter</a></li></ul></li>
<li><a href="Sound_card" title="Sound card">Sound card</a></li>
<li><a href="Graphics_card" title="Graphics card">Graphics card</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Removable_media" title="Removable media">Removable <br> data storage</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Disk_pack" title="Disk pack">Disk pack</a></li>
<li><a href="Floppy_disk" title="Floppy disk">Floppy disk</a></li>
<li><a href="Optical_disc" title="Optical disc">Optical disc</a>
<ul><li><a href="Compact_disc" title="Compact disc">CD</a></li>
<li><a href="DVD" title="DVD">DVD</a></li>
<li><a href="Blu-ray" title="Blu-ray">Blu-ray</a></li></ul></li>
<li><a href="Flash_memory" title="Flash memory">Flash memory</a>
<ul><li><a href="Memory_card" title="Memory card">Memory card</a></li>
<li><a href="USB_flash_drive" title="USB flash drive">USB flash drive</a></li></ul></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Computer_case" title="Computer case">Computer case</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Central_processing_unit" title="Central processing unit">Central processing unit</a>
<ul><li><a href="Microprocessor" title="Microprocessor">Microprocessor</a></li></ul></li>
<li><a href="Motherboard" title="Motherboard">Motherboard</a></li>
<li><a href="Computer_memory" title="Computer memory">Memory</a>
<ul><li><a href="Random-access_memory" title="Random-access memory">RAM</a></li>
<li><a href="Nonvolatile_BIOS_memory" title="Nonvolatile BIOS memory">BIOS</a></li></ul></li>
<li><a href="Computer_data_storage" title="Computer data storage">Data storage</a>
<ul><li><a href="Hard_disk_drive" title="Hard disk drive">HDD</a></li>
<li><a href="Solid-state_drive" title="Solid-state drive">SSD</a> (<a href="SATA" title="SATA">SATA</a> / <a href="NVM_Express" title="NVM Express">NVMe</a>)</li>
<li><a href="Solid-state_hybrid_drive" class="mw-redirect" title="Solid-state hybrid drive">SSHD</a></li></ul></li>
<li><a href="Power_supply_unit_(computer)" title="Power supply unit (computer)">Power supply</a>
<ul><li><a href="Switched-mode_power_supply" title="Switched-mode power supply">SMPS</a></li></ul></li>
<li><a href="MOSFET" title="MOSFET">MOSFET</a>
<ul><li><a href="Power_MOSFET" title="Power MOSFET">Power MOSFET</a></li>
<li><a href="Voltage_regulator_module" title="Voltage regulator module">VRM</a></li></ul></li>
<li><a href="Network_interface_controller" title="Network interface controller">Network interface controller</a></li>
<li><a href="Fax_modem" title="Fax modem">Fax modem</a></li>
<li><a href="Expansion_card" title="Expansion card">Expansion card</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Computer_port_(hardware)" title="Computer port (hardware)">Ports</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Current</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Ethernet" title="Ethernet">Ethernet</a></li>
<li><a href="USB" title="USB">USB</a></li>
<li><a href="Thunderbolt_(interface)" title="Thunderbolt (interface)">Thunderbolt</a></li>
<li><a href="Phone_connector_(audio)" title="Phone connector (audio)">Analog audio jack</a></li>
<li><a href="DisplayPort" title="DisplayPort">DisplayPort</a></li>
<li><a href="HDMI" title="HDMI">HDMI</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Obsolete</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="IEEE_1394" title="IEEE 1394">FireWire</a> (IEEE 1394)</li>
<li><a href="Parallel_port" title="Parallel port">Parallel port</a></li>
<li><a href="Serial_port" title="Serial port">Serial port</a></li>
<li><a href="Game_port" title="Game port">Game port</a></li>
<li><a href="PS/2_port" title="PS/2 port">PS/2 port</a></li>
<li><a href="Serial_ATA" class="mw-redirect" title="Serial ATA">eSATA</a></li>
<li><a href="Digital_Visual_Interface" title="Digital Visual Interface">DVI</a></li>
<li><a href="VGA_connector" title="VGA connector">VGA</a></li></ul>
</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="History_of_computing_hardware" title="History of computing hardware">History of computing hardware</a></li>
<li><a href="History_of_computing_hardware_(1960s%E2%80%93present)" title="History of computing hardware (1960s–present)">History of computing hardware (1960s–present)</a></li>
<li><a href="List_of_pioneers_in_computer_science" title="List of pioneers in computer science">List of pioneers in computer science</a></li></ul>
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