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The Republic of Gamers Modus Operandi is to always provide the ultimate PC hardware. At first it was via motherboards like the Rampage and Maximus series, later graphics cards like the Matrix, MARS & ARES, and now the Xonar team has submitted sound cards into the mix, with its Xonar Phoebus.

In case you’re unfamiliar with Xonar, here’s some background into its team ethos:

“In 1490, Leonardo Da Vinci created the first SONAR system. This  revolution in science was embraced in 2007 with the ASUS XONAR. Inspired by Da Vinci’s constant pursuit of innovation and excellence, the Xonar was developed with the same mindset: to portray what people deserve to hear – pure, unadulterated Hi-Fi audio that brings out the beauty of music and entertainment through your favorite speakers or headphones. At ASUS the Xonar team aspires to bring to you the real essence of sound.”

Xonar Phoebus

The Xonar Phoebus is a two-part bundle: the sound card and control box. At the high level the sound card sports the latest version of the Oxygen HD sound codec on PCI-Express, and combined with the rest of the carefully selected audio hardware detailed below it generates up at 118dB SNR.

Another nod to gamers is the 600 ohm headphone amplifier for serious sound boosting, which, in combination with the ROG Command technology - the ROG brand name combination for Environmental Noise Cancellation (ENC) and software within the Xonar Audio Center – lets gamers hear and be heard clearly even in a loud environment, like a LAN event for example.

On the software front there is the optional Dolby Home Theater V4 and GX3.0 game engine for those that require it.

The Control Box

Xonar Phoebus Control Box

This is your desktop companion. Put it next to your mouse or keyboard and use the central twist knob to turn the volume up and down, or press down to mute. In the end there are two 3.5mm jacks for microphone and headphones that basically extend the rear jacks on your case to your desktop for convenience. The Xonar team have incorporated these here rather than added a standard front-panel connector on the sound card for two reasons.

First, the quality of internal case cabling is generally much lower or inadequately shielded, meaning sound quality is compromised. The cabling from the Control Box to the Phoebus Sound Card has extra shielding to eliminate any potential cross-talk.

The second reason is the ENC feature within the actual control box. In the closeup below you can see two holes in the red strip: they are an array microphone. These microphones themselves can act two-fold, depending on whether you’re using headphones or a headset with its own microphone.

If you’re using headphones only, then the Control Box adds the microphone function to your games or software – useful if you’ve attended a LAN and forgotten your headset, or, you simply have a favored set of pro-audio headphones that don’t come with the option of a mic. However, if you’re using a headset like the ROG Vulcan ANC then the Control Box microphones switch to ENC mode and compare what is being received via the headset microphone with what they pickup from the surrounding environment. It then eliminates the background noise, leaving only your voice to be transmitted.

Xonar Phoebus closeup

The Control Box connected up to the Xonar Phoebus:

Xonar Phoebus control box connected

The Xonar Phoebus rear I/O connectors are gold plated for anti-corrosion and electrical conductivity benefits. From left to right the connectors are: microphone in, headphone out, Control Box link (in black), line in, front, center/sub, rear and S/PDIF or side.

Xonar Phoebus rear I/O connectors

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