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1PC New Mini USB 2.0 3D Virtual Full-Speed 12Mbps External 7.1 Channel Audio Sound Card ...
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Usb Interface Virtual 7.1 Channel Usb adapter Sound Card Adapter 3.5mm mic and Drive one ...
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7.1 Channel Computer External USB Sound Card Audio Interface for Headset Gamer ...
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USB 3d Audio Sound Card Microphone Headset Adapter
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Card Professional Bluetooth Audio USB Headset Microphone Webcast Live Card Usb External ...
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24BIT192KHz SPDIF Daughter Card Optical Fiber Coaxial Digital Sound Card Baffle DAC DTS ...
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24Bit 192KHz Daughter Card SPDIF Optical Fiber Coaxial Digital Sound Card Baffle Black
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HIFI Mobile Phone Decoder, Computer Sound Card, Fever Grade Audio DAC Headphone ...
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5.1 USB Audio Sound Card with SPDIF, External USB Sound Card Adapter for PC Laptop Audio, ...
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MLDSN V8 Audio External USB Headset Microphone Live Broadcast Sound Card for Mobile ...
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ZHIERPIUS Sound Card, USB 2.0 Sound Card 6 Channel 5.1 Optical External Audio Card SPDIF ...
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Professional Live Sound Card Reverb Effect Condenser Live Stream Sound Card Set Studio ...
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USB 2.0 3D External 7.1 Channel Virtual 12Mbps Audio Sound Card Adapter Newest
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_Mega Brand Gaming Audio Mixer Sound Board Mixer USB Audio Interface Voice ...
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Creative Sound Blaster Audigy FX PCIe 5.1 Sound Card with High Performance Headphone ...
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Virtual 7.1 Channel USB Sound Card Converter Adapter External Volume Adjustable For ...
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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.