There’s a crack on the protective cover. You can just remove it if you want. Up for sale is a Biamp MXA150 6-channel 150W audio mixer amplifier. This powerful device is perfect for any professional audio setup, whether you’re a musician or a sound engineer. The Biamp MXA150 is known for its high-quality sound and versatility, making it a popular choice among professionals in the industry. This particular unit has been previously used, but it powers up and is ready for use. It has been well maintained and is in great working condition. With its intuitive controls and reliable performance, the Biamp MXA150 is a must-have for anyone looking to take their audio setup to the next level.