you just bought the g53sx? i wOUld recommend you one of the best usb soundcard in the world
CREATIVE RECON 3D SURROUND 5.1 USB EXT SOUND CARD (SB-R3D-USB)
Cross-Platform 3D Surround Sound Processor
Powered by the revolutionary Sound Core3D™ quad-core sound and voice processor, this breakthrough USB audio enhancer delivers powerful gaming audio to your Xbox 360®, Playstation® 3, PC or Mac. With hardware-accelerated THX® TruStudio Pro™ and Dolby® Digital decoding it transforms even basic stereo sound into exhilarating 3D surround audio on your headset or speakers. Hear your enemies before they hear you with the proprietary Scout Mode™, which tunes your hearing to your advantage on the battlefield. Calibrate and save every aspect of your audio settings directly to the Recon3D unit for use on any platform with the exclusive Recon3DProfile™ system. The gaming audio revolution is here. Be part of it.
Powered by Sound Core3D™ quad-core audio processor
The revolutionary Sound Core3D™ Audio and Voice chipset allows you, for the first time ever, to enjoy the benefits of an internal sound card in an external USB device. Whatever your gaming platform of choice is, you can now experience Sound Blaster audio.
Hardware-accelerated THX TruStudio Pro technologies
THX TruStudio Pro sound technologies create unprecedented levels of audio realism that includes stunning surround effects, producing virtual speakers around, above and below you on your existing headset or headphones.
Hardware Dolby Digital decoder
Transform any Dolby Digital 5.1 source into high fidelity immersive surround sound for Xbox 360, Playstation 3, PC, or Mac with the built-in hardware decoder.
Breakthrough mobile audio enhancer
Stylish, rugged and extremely portable with easy-to-access controls: THX TruStudio Pro On/Off, Scout Mode On/Off, Master volume control, Microphone boost (3 settings), Instant Mute, and platform selection.
CrystalVoice™ voice enhancement and clarity technology
Four separate hardware-accelerated technologies ensure the best possible voice communication:
CrystalVoice™ Noise Reduction - significantly reduces background noise
CrystalVoice™ Smart Volume - normalizes your voice to make sure your outbound voice isn't too overwhelming or too soft
CrystalVoice™ Acoustic Echo Cancellation - eliminates speaker audio from your voice transmissions while using speakers
CrystalVoice™ FX - morphs your voice into different characters and accents
Scout Mode - Hear them before they hear you
This proprietary technology allows you to hear your enemies from further away, giving you a distinct tactical advantage in combat.
Over 400 Million Sound Blasters sold
Experience the difference of REAL audio expertise. The industry standard for audio quality on the PC is now also available on the Xbox 360, Playstation 3 and Mac.
Exclusive software for Sound Blaster
Customize audio and voice settings to your liking with THX TruStudio Pro and CrystalVoice controls, plus settings for the equalizer and mixer.
Programmable Recon3DProfile audio settings
Easily port your gaming audio settings by connecting to your PC or Mac and customizing your personal Recon3D Profile™ that can be used with any platform.
Specifications:
Feature: Description
Playback: 24-bit Digital-to-Analog conversion (up to 48 kHz to stereo output)
Audio Inputs: One 3.50 mm (1/8-inch) stereo jack for Microphone In
One 3.50 mm (1/8-inch) stereo jack for Aux In
Audio Output: One 3.50 mm (1/8-inch) stereo jack for Analog Line Out or Headphones Playback
Interface: USB
THE PRICE RM 399.00 IF YOU ARE UP TO IT BRO

THE SOUND WILL DEFINITELY IMPROVE
Added on April 20, 2012, 10:40 pmBESIDES THE CREATIVE RECON 3D SURROUND 5.1 USB EXT SOUND CARD (SB-R3D-USB), you can also try the
CREATIVE SOUND BLASTER X-FI PRO SURROUND 5.1 USB SOUND CARD (SB1095)
A complete USB sound card upgrade for your entertainment needs
Sound Blaster X-Fi Surround 5.1 Pro USB sound card turns your PC or notebook into a 5.1 entertainment system, featuring THX TruStudio Pro technology. Easy to install, it replaces low quality on-board audio with high quality connectivity options and remote control*. A convenient volume control knob, headphone and microphone inputs for a headset are also close at hand.
THX TruStudio Pro delivers the fullest audio experience for music, movies and games, while remaining true to the source and intention of the artists who created it.
Surround sound with a single digital cable
Dolby Digital Live1 connects to your decoder or home theater system through a single digital cable for compelling 5.1 surround sound from any source.
Cinematic experience from DVD movies
Cyberlink PowerDVD software (free download) with DTS® and Dolby Digital®-EX decoding delivers an unbeatable DVD movie experience.
Comprehensive connectivity for all your audio needs
High-quality, gold-plated RCA stereo and optical digital out for the best audio performance, plus convenient microphone and headphone jacks for internet chatting.
Convenience and control at your fingertips
The compact IR Remote* with mute and volume functions allows you to control playback of your music across the room.
Simple USB installation to PC or Notebook
Easy to install, the bus-powered USB 2.0 Sound Blaster X-Fi Surround 5.1 Pro sound card does not require an extra power adapter.
Specifications
Playback: USB 2.0:
Stereo/Surround: Up to 24-bit/96kHz
USB 1.1:
Stereo: 24-bit/96kHz
Surround: 16-bit/48kHz
Record: Up to 24-bit/96kHz
Control Volume Control
Connectivity Mic In/Line In
Headphone/Front Left & Right Speaker Output
Center/Sub Output
Rear Left & Right Speaker Output
Optical Digital Output
USB
Requirements
Microsoft® Windows® 7, Windows Vista®, Windows XP (Professional x64 Edition, Service Pack 2 or above)
Intel® CoreTM 2 Duo or AMD® equivalent processor, 2.2 GHz or faster
Available USB port
1 GB RAM
600 MB of free hard disk space
Available CD-ROM or DVD-ROM drive
PRICE? RM 250.00..ITS CHEAPER

THE 1ST PHOTO IS TH RM399 ONE, THE 2ND PHOTO IS THE RM 250 ONE
He's a exisiting user since last year. G53SX has a 2.0 speaker. It would support 2.1 easily. 5.1 will needed 5.1 soundcard.