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External Sound Card USB 2.0 Virtual 7.1 Channel CH 3D USB Audio Sound Card Adapter ...
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Fesjoy Live Sound Card R8 Live Sound Card with Audio Cable USB Cable Sound Effects Dodge ...
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Card 5.1-Channel USB Audio Interface External 3.5mm Microphone Audio Adapter card for ...
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Makeupart Live Sound Card, USB Singing Sound Card with Remote Controller, Portable Mini ...
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7.1 3D External Sound Card USB 2.0 Audio Adapter to Jack 3.5mm Earphone Sound Card for ...
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Hilitand Fullduplex 4.1 Channel Sound Card Desktop Internal Sound Card CMI8738 PCI ...
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Sound Card 7.1 Channel External Sound Card to Jack 3.5mm Headphone Audio Adapter ...
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JVFYI PCI Express CMI8738 4CH Sound Card
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Live Sound Card Voice Changer, Portable I9 Live Sound Card Set Mini Gaming Voice Plug and ...
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6 Channel External Sound Card USB 2.0 External 5.1 Surround Sound Optical S/PDIF Audio ...
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_Mega Brand Gaming Audio Mixer Sound Board Mixer USB Audio Interface Voice ...
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Weastlinks Professional USB Sound Card 6 Channel 5.1 Optical External Audio Card ...
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7.1 Gaming DAC External USB Sound Card, 7.1 Virtual Surround Sound Blaster, 24bit/192KHz, ...
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Creative Sound Blaster Audigy FX PCIe 5.1 Sound Card with High Performance Headphone ...
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Usb Volume Control Knob Multimedia Audio Controller, Usb Hub With Audio Adapter, External ...
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Weastlinks PCI Sound Card 4.1CH PCI Port HIFI Electronic Practical Audio Card Desktop PC ...
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Tenlamp G9 Live Sound Card Game audio mixer with built-in audio interface, compatible with ...
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V9 Sound Card Podcast Desktop Recording Musical Full Set Microphone Live Broadcast Sound ...
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Portable Voice Changer Voice Modulator with Adjustable Voice Functions Phone Computer ...
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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.