USB Audio Interfaces
You will need an audio interface to record guitar's 1/4 output to a computer. An audio interface will give you better signal to the computer , less noise which a cleaner , better sound. USB 2.0 is sometimes as fast as Firewire but it is not as stable, steady. Firewire is better if you are playing or recording a lot of audio tracks. USB interfaces are generally cheaper then the firewire interfaces.
These are general audio interfaces. Check out the
Guitar Interfaces page for more guitar specific audio interfaces.
Please contact me with ANY questions.

The new Audio Kontrol 1 is a high-end audio interface. Offering crystal-clear 192 kHz, 24 bit-quality, it is far more than just a sound card. Freely assignable buttons and controller knob combined with advanced MIDI and key command functionality grant full control of software applications -- setup files for popular programs ensure it's hassle-free. Audio Kontrol 1 merges innovation and quality and does so with an ear for practicality.
Audio Kontrol 1's adaptability makes it the perfect audio interface for musicians, producers and DJs. Versatile connection configurations, included controller assignment preset files as well as the full versions of Keyboard Collection, Guitar Combos and Traktor 3 LE guarantee its universal appeal.
It also comes with Cubase LE but only for PC.
"The Audio Kontrol 1 elegantly combines the features of a small, high-quality USB recording interface with a controller so that things like transport commands and virtual instrument parameters are at your fingertips. Strengths of the AK1 include excellent build quality, great audio specs, small size, and a great software bundle."
Tape Op, US, 01/2007

The Alpha Desktop Recording Studio is extremely compact, yet it gives you the features needed to get professional recording results anywhere! Designed with many of the same features found in professional studios, Alpha Studio is your complete recording solution: a USB powered I/O mixer with Cubase LE, the popular recording production suite from Steinberg, and our acclaimed Lexicon Pantheon VST reverb plug-in. A dual-input, 2-bus, 2-output USB I/O mixer with extra high-impedance instrument input and separate headphone output gives you the freedom to not only record but also mix anywhere.
4 Inputs: Record Up to 2 Tracks at Once
Stereo line inputs for keyboards, drum machines or analog output of a CD/MP3 player. RF-filtered TRS active-balanced inputs accept either balanced or unbalanced signals.
One microphone input--Low-noise mic preamp with balanced XLR inputs.
*For recording acoustic guitar, two mic inputs would be better.
One high-impedance front panel input for electric guitar or bass.
The new Lambda Desktop Recording Studio continues the tradition of excellence.The Lambda Desktop Recording Studio system includes everything needed for portable and professional recordings, including the Lambda Studio USB I/O mixer, Steinberg's Cubase LE multi-track PC and Mac OS X recording software as well as the Lexicon Pantheon reverb VST plug-in.
The Lambda Studio features
TWO XLR microphone inputs designed by dbx, with TRS inserts and switchable +48V phantom power. Good for recording acoutic instruments with two mics.
Rounding out the full complement of connectivity on the Lambda are two TRS balanced 1/4 in. line inputs, two TRS balanced line outputs, a 1/8 in. front-panel mounted high-power headphone output jack, a front-panel ultra-high-impedance instrument input, and MIDI input and output.

The M Audio Fast Track USB is the easiest way to record your guitar with professional results for those of us who make music with GarageBand or other software recording programs. Fast Track USB has an instrument input for guitar, bass and keyboards, plus a mic input. The included GT Player Express software gives you killer effects so you don?t need any other gear to sound great, and plays audio files (AAC/MP3/WAV) that let jam along with your favorite music at variable speeds.
Today the studio is no longer a place, it's a state of mind. M-Audio mobile audio solutions let you use your laptop or any USB- or FireWire-compatible computer to record and play audio whenever and wherever inspiration strikes. Our mobile audio solutions offer a variety of configurations to suit every need-all with our legendary driver support spanning all popular operating systems and industry standards.
* Class compliancy supports up to 16-bit/48kHz 2 x 4 operation on OS X 10.3.9 and higher. Driver installation required to access more I/O.