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Comparison Asus Xonar Essence STX II vs Asus Strix Raid PRO

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Asus Xonar Essence STX II
Asus Strix Raid PRO
Asus Xonar Essence STX IIAsus Strix Raid PRO
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Featuresaudiophile (Hi-Fi)audiophile (Hi-Fi)
Specs
Typeinternalinternal
InterfacePCI-EPCI-E
Channels27.1
AudiochipASUS AV100C-Media 6632AX
ASIO
 /2.0/
Additional power
DAC
DAC resolution24 bit24 bit
Max. sampling rate192 kHz192 kHz
Signal-to-noise ratio124 dB116 dB
ADC
ADC resolution24 bit24 bit
Max. sampling rate192 kHz192 kHz
Signal-to-noise ratio118 dB110 dB
More features
 
 
headphones amplifier
external control module
Inputs
mini-Jack (3.5 mm)1
Jack (6.35 mm)1
Outputs
mini-Jack (3.5 mm)5
Jack (6.35 mm)1
RCA2
Coaxial S/P-DIF11
Added to E-Catalogseptember 2016february 2016

Channels

The most advanced multi-channel audio format that a sound card is capable of outputting.

2. Standard stereo sound on two channels — left and right. This format allows you to provide a sense of surround sound (especially when using headphones), which is quite enough for most simple tasks. However, it noticeably loses to multi-channel sound in terms of the "immersion effect", which can be critical for demanding gamers and audiophiles.

5.1. The classic and most popular multi-channel surround sound format today: a centre channel, two front and two rear channels allow you to achieve a full-fledged “surround effect”, and a separate subwoofer channel provides rich bass sound.

7.1. The 7.1 format differs from 5.1 by the presence of two additional channels. There are several options for localizing these channels — for example, a pair of side speakers, a pair of additional speakers above the front ones, etc. Anyway, the 7.1 format provides a more reliable surround sound transmission than 5.1, but such cards are more expensive, and there is less specialized content for 7.1.

When choosing a sound card by the number of channels, it is worth considering such moments. Firstly, multi-channel options are capable of producing sound in simpler formats (for example, a 7.1 card can be used for 5.1 acoustics), and stereo sound output is support...ed by all models in general. Secondly, modern multimedia software (in particular, codecs) allows you to output multi-channel audio through a card with fewer channels — for example, play 5.1 sound through a two-channel card with stereo speakers without quality loss. Thirdly, for the full-fledged operation of multi-channel sound, you will need not only a card, but also appropriate acoustics; therefore, it makes no sense to specifically look for a multi-channel model if you plan to use exclusively stereo speakers.

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.

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.

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.

mini-Jack (3.5 mm)

The number of inputs in the design of the sound card using 3.5 mm mini-Jack connectors. This connector, usually used to transmit an analogue signal, is one of the most popular in modern audio technology. Speaking of inputs, it's worth noting that most computer microphones are designed to plug into the 3.5mm jack; this also applies to separate microphone plugs on headsets. At the same time, the specific purpose of the mini-jack sockets in different sound cards may be different; Moreover, in some models, the same socket can be reconfigured and even change its purpose (from input to output and vice versa). These points, usually, are specified in the characteristics.

Using a simple adapter, you can also connect a 6.35 mm plug (Jack) to the 3.5 mm jack.

Jack (6.35 mm)

The number of inputs in the design of the sound card using 6.35 mm Jack connectors. This connector is in many ways similar to the 3.5 mm mini-Jack described above (and is compatible with it through a simple adapter), however, due to its larger size, it is poorly suited for portable electronics. On the other hand, in the 6.35 mm standard it is easier to implement a three-channel connection scheme and ensure the transmission of a balanced signal (for more details, see "XLR"), which is often required in professional audio work. Therefore, connectors of this type are quite popular in advanced stationary technology, where connection reliability and signal quality are more important than compactness. The Jack input can be used for various purposes, which is usually indicated in the specifications; however, its very presence, usually, speaks of a rather high class sound card.

Note that on balanced XLR models (see below), a 6.35mm input can be built right into the XLR jack; in such cases, these interfaces cannot be used simultaneously.

mini-Jack (3.5 mm)

The number of outputs with 3.5 mm mini-Jack connectors in the design of the sound card. It is this connector that is used by the vast majority of modern computer headphones and speakers of all price categories (although it is relatively rare in top-end technology), and it is very popular in other consumer-class audio devices. Therefore, almost all entry-level and mid-level sound cards have at least one 3.5 mm jack; the absence of such outputs is typical for specialized models (for example, DAC, see "View"). Also note that a single mini-jack output can work with a maximum of two channels, however, this interface is also used in multi-channel sound systems — in this case, the audio card is equipped with several connectors, each of which is responsible for its own part of the system. For example, for 5.1 systems, one connector is allocated to the centre, one to a pair of front channels, one to a pair of rear channels, and one to a subwoofer.

As with 3.5mm inputs (see above), this type of output can be used in a variety of ways and can even be configurable.

Jack (6.35 mm)

The number of outputs with 6.35 mm Jack connectors provided in the design of the sound card.

This connector is in many ways similar to the 3.5 mm mini-Jack described above (and is compatible with it through a simple adapter), but due to its larger size it is poorly suited for portable electronics. On the other hand, the 6.35 mm standard gives a more reliable connection with less chance of interference on the connectors; besides, it is possible to implement a balanced connection without any special difficulties (for more details about it, see "Balanced XLR"). Both are important in professional audio work. So the presence of such a connector, usually, indicates a rather high class sound card. But the specific specifics of using the Jack type output in different models can be different, these nuances should be clarified separately.
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