This audio system by Altec Lansing is a powerful set of subwoofer and speakers that will enhance your audio experience. The system features stereo L/R RCA and 3.5 mm jack audio inputs, making it easy to connect with a variety of devices. The black color of the system gives it a sleek and modern look that will complement any setup. It has a 2.1 channel system configuration and is wired for easy connectivity. The model is BX1121 and it is in used condition.