This Hafler Pro2400 power amplifier is perfect for those who want to fix or use its parts. It is a professional-grade amplifier with two channels, two inputs, and two outputs. The model is Pro2400 and the color is gray. It also comes with bridgeable, rack mountable, solid state, and balanced features. This amplifier is ideal for those who are looking for pro audio equipment and musical instruments and gear. Please note that this item is sold as is and its condition cannot be guaranteed.