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V8 Live Sound Card, Audio Mixer USB External Sound Card Headset Microphone Sound Card ...
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Creative Sound Blaster Audigy FX PCIe 5.1 Sound Card with High Performance Headphone ...
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CLSC-SN800 Digital Audio Mixing Interface Type-C OTG Sound Card 48V Live Stream ...
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Aomoproing SE-PCIE-SC-10 High Quality PCIe 7.1 Channel Sound card ( Chip set : CM8828 + ...
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External Stereo Sound Adapter Audio Sound Card Virtual 7.1 Microphone Converter with ...
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PCI Express PCI-E 5.1 Ch 6 Channel PCIE Audio Digital Sound Card Adapter New
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Mobile Phone K Song Condenser Sound Card Microphone Wireless K Song Live Singing ...
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GAX-MD44 High Quality Professional 4-Channels Sound Card 24Bit 192KHz Audio Interface ...
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Q16 Audio Interface for Recording Computer Free Drive USB External Sound Card for Pc Pro ...
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USB 5.1 Channel External Sound Card Optical SPDIF, Aluminum Alloy, for Laptop, PC, ...
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F668 Live Streaming Sound Card with Folding Digital Display, RGB Lighting Customizable ...
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HEYUAN Live Sound Card, V8 Audio Card USB External Sound Card Headset Microphone ...
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Sound Card External USB Interface 3.5mm Stereo Microphone Audio Volume Adjustment ...
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USB Sound Card, External Stereo Sound Adapter Splitter Converter for Windows and Mac, Plug ...
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Sound Card PCI-E 5.1-Sound-Channel CMI8738 Desktop Computer Accessories for Win7 ...
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Equipment, Voice Converter for Computer / Phone / iPad / Etc., Sound Card with Various Funny ...
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Weastlinks External USB Sound Card Stereo Mic Speaker Headset Audio Jack 3.5mm Cable ...
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Bluetooth Sound Card Audio USB Headset Microphone Webcast Live Sound Card for Phone ...
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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.