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In this article Music Matter round up 6 of the best USB Audio Interfaces for 2015 under £100, featuring many popular brands such as: Focusrite, M-Audio, Steinberg, Presonus along with cheap Audio Interfaces from Alesis and Roland.
So why USB – or more accurately, USB2? Well USB is found on almost every computer in the world and even some tablets, so there are unlikely to be any issues with compatibily when it comes to interfaces that use it. A USB audio interface is great for recording multiple tracks simultaneously and will generally have input connections for microphones, instrument level signal (such as electric or semi-acoustic guitars) and line level equipment such as keyboards and synths. Most of the interfaces listed below do supply +48v phantom power, all the interfaces below are USB bus-powered which means they draw the power they need from the computer rather than requiring a sepearate power supply. This makes them an ideal choice for portable audio recording.
When looking to buy a USB audio interface be sure to include these important points into your thinking: What types of input and output connections are on the interface, they could be mic, line or MIDI so make sure they match what you specifically require. The compatability to your laptop or computer is also important to find out, whether it 's Window compatible, Mac compatible or both. Another important point to consider is the audio quality, a clear indication of the recording and playback quality is the Bitrate and resolution so for example; 24 bit/96 kHz is faster at processing than 16 bit/48 kHz and therfore should result in higher recording and playback quality.