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Comparison Asus Strix Soar vs Asus Xonar D2

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Asus Strix Soar
Asus Xonar D2
Asus Strix SoarAsus Xonar D2
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Protective cover design with LED light. Premium DAC. Operation in 192 kHz/24 bit mode. 7.1 format support. Friendly with headphones up to 600 ohms. Very handy Sonic Studio software.
Featuresgaminggaming
Specs
Typeinternalinternal
InterfacePCI-EPCI
Channels7.17.1
AudiochipC-Media 6632AXASUS AV200
StandardsDolby Digital, DTS
ASIO
 /2.0/
Additional power
 /6 pin/
DAC
DAC resolution24 bit24 bit
Max. sampling rate192 kHz192 kHz
Dynamic Range96 dB
Signal-to-noise ratio116 dB118 dB
ADC
ADC resolution24 bit16 bit
Max. sampling rate192 kHz192 kHz
Signal-to-noise ratio110 dB
More features
headphones amplifier
 
Inputs
mini-Jack (3.5 mm)1
/line/microphone/
Coaxial S/P-DIF1
MIDI
/on an additional bar/
Outputs
mini-Jack (3.5 mm)54
Coaxial S/P-DIF11
MIDI
/on an additional bar/
Added to E-Catalognovember 2015december 2013

Interface

The main interface used to connect a sound card to a computer or other device.

Like the sound cards themselves, the interfaces used in them are divided into internal ( PCI, PCI-E USB, USB C, FireWire, Thunderbolt, 3.5 mm mini-jack, Bluetooth). Here is a more detailed description of each of these options:

— PCI-E. The main modern interface for connecting internal peripherals (including sound cards) to computer motherboards. Used in most internal type models (see above). The main advantage of solutions with PCI-E is that connectors for their connection can be found on almost any modern motherboard. True, these connectors may be needed for other components - a video card, a TV tuner, or even an SSD drive; however, even on the simplest motherboards, there are usually several PCI-E slots, so this point cannot be called a serious drawback.

— PCI. Interface for connecting expansion boards to the PC motherboard. It is the forerunner of PCI-E, has significantly lower bandwidth and more limited features, so is generally obsolete. Nevertheless, in our time, motherboards with such connectors and sound cards for the PCI interface (including quite advanced ones) continue to be produced. This is due to the fact that a relatively low bandwidth...is sufficient to work with sound; and installing an audio card in the PCI slot leaves PCI-E slots free, which may be required for components that are more demanding on connection speed. In any case, before buying such a sound card, it does not hurt to make sure that the "motherboard" has a connector for connecting it.

— USB. Connection via standard USB port. Until recently, this was the most popular interface for external peripherals, found in almost all PCs and laptops. It was under USB that most external sound cards were made. The disadvantage of this connection method is that USB connectors may be required for other devices, which creates problems with a small number of ports and an abundance of peripherals. On the other hand, such situations do not occur so often, and to solve them, it is enough to have a USB splitter (hub) on hand.

Separately, we note that the full-sized USB sockets in modern PCs and laptops have been replaced by more compact USB C (see below).

- USB C. Peripheral connector with a symmetrical contact group, which is often replaced by full-size USB ports on board modern PCs and laptops. Many new models of external sound cards are made for this interface. The exception to the rule are only individual instances for Thunderbolt (see below) - for them, it is Thunderbolt, and not USB C, that is indicated as a peripheral connection connector.

— Thunderbolt. A universal peripheral connector used primarily in Apple computers and laptops. It should be borne in mind that different generations of Thunderbolt differ in the type of physical connector: versions v1 and v2 use a miniDisplayPort socket, version v3 uses a USB C socket. So, when choosing a sound card with such a connection, you must definitely clarify this point. On the other hand, versions of Thunderbolt with different connectors are quite mutually compatible through the appropriate adapters.

— FireWire. It is also IEEE 1394. An interface for external devices, which some time ago enjoyed a certain popularity, but today it is practically obsolete.

- 3.5 mm (mini-jack). Mini-jack is one of the most common audio connectors. However, it is usually provided as one of the audio inputs (see below) and is rarely used as the main interface for connecting a sound card to an external device. Such a connection is found mainly in specialized gaming models, including those designed for use with consoles. At the same time, in such models, the mini-jack connector can be made combined, with the ability to connect both a linear (analog) signal via a conventional electrical wire, and an optical (digital) signal via a TOSLINK cable. Recall that the optical interface is notable for its complete insensitivity to external interference, it allows you to transmit multi-channel sound, however, cables for such a connection require care in handling.

— Bluetooth. Wireless connection according to the Bluetooth standard. It is found mainly in models designed for use with smartphones and tablets - there are few wired connectors in such gadgets, but Bluetooth modules are almost guaranteed. True, initially, with such a transmission, the sound is greatly compressed, which noticeably affects its quality; however, modern Bluetooth audio cards usually include support for aptX to remedy this shortcoming. Of course, the signal source must also support this technology - you should make sure of this before buying.

Audiochip

Brand of the audio chip installed in the sound card.

The audio chip is one of the most important parts of a sound card, a kind of "heart" of the whole circuit, and it is on its characteristics that the sound quality and other capabilities of a particular model largely depend. Knowing the brand of the chip, you can easily find various information on it — official specifications, test results, reviews, etc. — and based on this, draw a conclusion to what extent this sound card is able to meet your requirements. Of course, for ordinary video cards (see "View") there is no need to delve into such details, but when choosing a gaming or audiophile model, they can be very useful.

Standards

Various standards and special digital audio technologies that the sound card is officially compatible with. For example, the Dolby and DTS standards in various variations are used primarily for multi-channel audio tracks in films, while DirectSound and EAX provide high-quality “surround” sound in games. In fact, the ability to work with one or another standard is largely determined by the software part of the system, and not by the characteristics of the sound card; however, official compatibility means at least the full compliance of the card with the requirements of the standard and the minimum risk of conflicts at the hardware level.

Additional power

The need to connect additional power to the sound card.

Most of both internal and external (see "Type") sound cards are powered directly through the connection connector (see "Connection interface"). At the same time, for normal operation of advanced models (for example, audiophile and gaming, as well as some DACs; see "View"), this power may not be enough, which requires an additional power source. In internal audio cards, it is carried out from the computer power supply, in external ones — directly from the 230 V network.

Dynamic Range

The dynamic range of a DAC is the ratio between the loudest sound that the converter can produce and the quietest. The wider the dynamic range — the richer the sound will be, the lower the likelihood that quiet sounds that complement the overall picture will be muffled during conversion. At the same time, it is worth noting that almost all modern sound cards provide a dynamic range that is quite sufficient for comfortable everyday use, and in many models this parameter may not be indicated at all. It is worth paying attention to it when choosing an advanced specialized audio card — for example, a gaming one (see "View"). The minimum for professional models is 90 dB, but in fact, among similar solutions, this figure is usually 120 dB or more.

Signal-to-noise ratio

This parameter determines the ratio of the "clean" sound produced by the DAC at the output to all extraneous noise. As such, it is a pretty strong indicator of sound purity. According to the signal-to-noise ratio, DACs in modern sound cards can be divided as follows:

up to 90 dB — initial level;
90-100 dB — average level, advanced "home" models;
more than 100 dB — professional level.

ADC resolution

The bit depth of the analogue-to-digital converter (ADC) of the sound card. An ADC is a module that encodes an analogue audio signal into a digital format; it is he who is responsible for transmitting sound "to the computer" — for example, through a microphone when communicating via Skype or from a guitar pickup when recording a track. The bit depth is one of the main parameters that describe the quality of the ADC: the higher it is, the less distortion will be introduced into the digitized sound and the higher the maximum possible quality of its recording. Of course, the properties of the actually recorded sound will depend on many other things (hardware, software, settings, file format, etc.), but for high-quality recording, you will definitely need a good ADC.

A bit depth of 16 bits is considered quite sufficient for everyday use, however, even fairly simple models of audio cards are increasingly acquiring 24-bit ADCs.

Signal-to-noise ratio

The signal-to-noise ratio provided by the analogue-to-digital converter (ADC) of the sound card in the processed signal. For more information about this ratio, see the paragraph of the same name above. Here we note that in domestic use it does not play a decisive role, but if you plan to record sound in good quality, you should choose a card with a high value of this indicator.

More features

— Headphone Amplifier. The presence of a separate headphone amplifier in the design of the sound card. Such equipment allows at least to improve the overall sound of the “ears”, as well as to implement various additional settings for such sound (for example, a separate volume control). And some headphones — primarily high-impedance Hi-Fi models — in principle cannot be used without special amplifiers.

— External control module. The presence of an external control module in the design of the sound card. Such a module is actually a control panel with a wired connection; it doesn't give you the freedom of movement that a wireless remote control does (see below), but it's cheaper and often more convenient. So, the control module does not have to be in direct line of sight with respect to the audio card, and the length of the wire is often enough to place the device at the user's hand. However the set of adjustments placed on the external unit is usually limited to the most basic settings; however, even this, usually, is quite enough for comfortable use. In addition, the control unit often provides additional connectors for connecting headphones and a microphone. Among other things, this feature is especially convenient in games — it allows you to adjust the sound without distracting from the game itself. However, other types of sound cards can also be equipped with external modules (see "View").
...
— Remote control. A remote control is included with the sound card. Do not confuse this function with the external control module described above: in this case, we mean a classic wireless IR remote control, like those used in TVs. Such a device does not necessarily cover all the capabilities of the audio adapter, however, the range of functions of the remote control can be quite extensive. On the other hand, the need to control a sound card from a distance is extremely rare, and in most cases, the mentioned external module is enough for this. So models with a remote control are not widely used.

Exit to the front panel. Ability to connect an internal sound card (see "Type") to the connectors on the front panel of the PC. To do this, a special connector (or several connectors) is provided on the board, which is connected to the corresponding connector (s) using a wire. The convenience of this feature is obvious: in desktop computers, the front panel is located closest to the user, and it is to it that it is easiest to connect peripherals that involve frequent plugging and unplugging, such as headphones and microphones. Actually, connectors for such devices are most often displayed on the front panel.
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