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7.1 USB Surround Sound Card- 48KHz-384KHz Sample Rate for Headphones, Full Aluminum ...
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l External USB Sound Card Adapter 8.1 Channel 3D Audio Headset Microphone 3.5mm Jack For ...
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ZHIERPIUS Sound Card, Voice Changer Mini Sound Card Set Portable Multi Voice Effects ...
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2020 Professional USB Sound Card 6 Channel 5.1 Optical External Audio Card Converter ...
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7.1 5.1 USB External Sound Card USB2.0+ Type C to 3.5mm Jack Headphone Microphone ...
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Sound Card 5.1 CH 3D Audio Adapter for Desktop Laptop Notebook Computer
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PCIe Sound Card for PC Windows 10,5.1 Internal Sound Card with Low Profile Bracket, 3D ...
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TF Card U Disk Play MP3 Decoder Player Module with Audio Amplifier Audio Decoding Player ...
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7 Type Voice Changer Computer Sound Card Voice Changer Sound Changes Device For Any ...
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4 Channels Audio Mixer DJ Sound Mixing Console External Sound Card for Computer Audio ...
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Bluetooth sound card live broadcast equipment Web live entertainment for mobile phone/PC
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48V Microphone Recording Dedicated Capacitance Electric Stereo Plug KTV External Sound ...
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V88 Live Sound Card for Streaming, Bluetooth Audio Mixer with Voice Changer & Funny Sound ...
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USB Sound Card w/ SPDIF Digital Audio & Stereo Mic External Sound Card for Laptop or PC SPDIF ...
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Creative Sound Blaster Audigy FX PCIe 5.1 Sound Card with High Performance Headphone ...
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Live Streaming Audio-to-video Sync Stereo Audio Mixer Portable Sound Card Guitar ...
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Live Sound Card Voice Changer, Portable I9 Live Sound Card Set Mini Gaming Voice Plug and ...
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Makeupart Live Sound Card, USB Singing Sound Card with Remote Controller, Portable Mini ...
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Questions to Ask When Shopping for a Sound Card

Introduction

Though motherboards sometimes have built-in audio capabilities, there are advantages to using a dedicated sound card. For users that require more than basic audio playback functionality, integrated sound cards sometimes lack beneficial features and have lower specifications. To help guide you through the technical details, NeweggBusiness answers several common questions about sound cards below.

What is signal-to-noise-ratio (SNR)?

SNR is a measurement used to determine sound clarity and is usually given in decibels (dB). The higher the SNR is, the less background noise there will be during audio playback. Compared to onboard audio devices, dedicated sound cards typically have higher SNR ratings.

Some sound cards have different SNR ratings for various input and output ports, so it is important to examine the SNR specifications for all ports. For example, a sound card may have a SNR of 110 for its head phone output, 120 for its auxiliary input, and 130 for its rear output.

What do I need to output surround sound?

To output surround sound from a computer system, there are two common methods. One is to use a sound card with a separate analog output for each surround channel. Another is to use a sound card with a digital output such as TOSLINK or S/PDIF.

If you plan to have the computer output the audio to an A/V receiver, then you will want a sound card equipped with either TOSLINK or S/PDIF output. However, if you want to output audio directly to the speakers and not use a receiver, you can use a sound card equipped with separate analog outputs for each channel.

What type of motherboard interface do sound cards typically use?

The three most common types of interfaces for sound cards are PCI, PCI Express®, and USB. From a performance standpoint, PCI Express and USB 3.0 are capable of faster data transfer rates than PCI. However, a sound card will rarely use the maximum data bandwidth of the PCI standard.

When adding a sound card to a desktop PC, you should consider which expansion slots are available and if they will be used in the future. For laptops, USB is the only option if you wish to add a discrete sound card.

What does sample rate mean?

Sample rate is a measure of the number of audio samples taken per second and is commonly rated in either hertz (Hz) or kilohertz (kHz). A higher sample rate means more audio detail can be played or stored. For example, a sound card that can output 192 kHz is capable of better sound reproduction than one that outputs 96 kHz. If the computer will be used for tasks that require very accurate audio reproduction, you should choose a sound card capable of high sample rates.