The Boss NS-2 Noise Suppressor Gate is a digital noise gate unit designed to fit electric guitars. Known for its quality and reliability, this model from Boss is perfect for suppressing unwanted noise and feedback during performances. With its sleek design and easy-to-use functions, the NS-2 is a popular choice among musicians looking to clean up their sound and create a more professional audio output. doesn’t come with 9V power supply
eBay