Fully tested and working condition. Experience high-quality sound with the Control4 4 Zone Power Amplifier C4-AMP104. This amplifier is perfect for multi-room audio and has 8 channels and outputs, making it a great addition to any home audio setup. Its sleek black color and Control4 brand ensure that it will complement your existing home entertainment system. With its model C4-AMP104, it provides a reliable and powerful sound experience that will enhance your listening experience. Get ready to enjoy a truly immersive audio experience with the Control4 4 Zone Power Amplifier C4-AMP104.