Saitek (DM03U) A-250 Wireless 2.1 Speakers True digital-delivery 2.1 stereo through 2 main drivers and an active sub-woofer Improved audio response using neodymium speaker technology boosts the bass performance. Active crossover feeds three separate amplifiers for High fidelity and natural sound Reliable high-quality wireless link receives and controls audio within 98-foot range Connect to MP3, CD and portable media players via 3.5mm jack audio cable (provided)