OUTDOOR: The MOV50W is weatherproof, ideal for outdoor decks, patios, and pool areas. It can withstand extreme temperatures and unknown outdoor conditions like rain, snow and heat. | DESIGN: The OSD Black Series MOV50W can be daisy-chained for long distance runs. It can be set up for large-scale home installations or commercial applications | VOLUME CONTROL: The knob allows you to adjust the volume up and down. It doesn’t add more volume than the master volume level on your amplifier or receiver. | Package Weight: 3.0 pounds