You can take your music with you with the Philips SBA1610/05 speaker. This portable speaker can be used both indoors and out to boost the sound of your device. The SBA1610/05 is a 2W speaker, and is ideal for boosting the sound of your computer. This class D digital amplifier provides you with superb sound quality, and comes with a line in socket. The Philips integrated amplifier requires 3x AAA batteries (order 1x 100-6319).