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Audio Adapter 6 Channel 5.1 External Sound Card Suit 3.5mm Headphone Stereo Microphone ...
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Creative Sound Blaster Audigy Fx V2 Upgradable Hi-res PCI-e Sound Card with 5.1 Discrete ...
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Hifi Dac o Sound Card Module I2S+Led Indicator for Raspberry Pi 3B/2B
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Noise Cancelling PC USB External Audio Laptop Multi Interface Cable Sound Card Illuminated ...
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CALIDAKA Professional Live Sound Card V300 Pro Sound Card Bluetooth 4.0 Noise Reduction ...
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AERJMA Live Sound Card, Voice Changer, Mobile Phone and Computer Compatible with ...
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High Quality EQ Xear 3D USB Sound Card 7.1 Channel Audio Adapter LED Indicator For Windows ...
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CHYSP Bluetooth Sound Card USB Headset Microphone Webcast Live Streaming Sound Card ...
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Sound Card Audio USB 5.0 Headset Microphone Webcast Live Sound Card 12 Sound Effects 10 ...
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PCI Surround Sound Card 5.1CH Channel 8738 Chipset Digital Desktop Plug-In Board ...
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5.1CH PCI Sound Card CMI8738 Chipset Audio Digital Sound Card Desktop Pci Sound Card 5.1 ...
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Interface V8 Usb Sound Card Microphone Webcast Live Sound Card External Usb Bluetooth ...
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PCI Express 6 Channel 5.1 CMI8738 Audio Sound Card PC Computer Compatible For Windows ...
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Professional Live Sound Card Reverb Effect Condenser Live Stream Sound Card Set Studio ...
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USB Sound Card - Driver-Free External Computer Sound Card Converter for Stereo Output ...
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Minivoice changer for computer/mobile phone sound card -0ne-click audio enhancement ...
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24BIT192KHz SPDIF Daughter Card Optical Fiber Coaxial Digital Sound Card Baffle DAC DTS ...
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PC Audio USB Headset Microphone Webcast Entertainment Streamer Sound Card for twitch ...
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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.