1、This hum destroyer is designed for removing AC hum and noise, easy and reliable to use. 2、Just placing the hum destroyer between your stereo mixer and power amplifier, and you will get a squeaky-clean sound. 3、Breaks ground loops safely, while keeping highest sonic quality. 4、Automatically converts unbalanced to balanced signals without signal loss. 5、2 independent channels for 2 mono or 1 stereo signal. Rugged metal construction and compact size design, durable and portable. Features: This hum destroyer is designed for removing AC hum and noise, easy and reliable to use. Just placing the hum destroyer between your stereo mixer and power amplifier, and you will get a squeaky-clean sound. Breaks ground loops safely, while keeping highest sonic quality. Automatically converts unbalanced to balanced signals without signal loss. 2 independent channels for 2 mono or 1 stereo signal. Rugged metal construction and compact size design, durable and portable. Specifications: Color: Black Material: Metal Interface: 1/4 inch TRS Item Size: 10.5 * 5.7 * 3cm/ 4.1 * 2.2 * 1.2in Item Weight: 175g/ 6.2oz Package Size: 14.5 * 14 * 10cm/ 5.7 * 5.5 * 3.9in Package Weight: 290g/ 10.2oz Package List: 1 * Hum Destroyer 1 * Hum Destroyer