The SD2 Voice Amplifier is a smartphone application that reduces your muffled mask voice and allows you to be heard loud and clear!
Also use SD2 for public speaking with a Bluetooth speaker and for amplifying your voice if you have a medical condition that stops you from speaking loudly!
Amplify your voice to larger groups in meetings, parties and in classrooms using a Bluetooth Speaker!
If you have a medical condition that stops you from speaking loudly,
SD2 is a great option to ensure you are heard!
Finally - stay safe in a pandemic world by wearing a mask! Use SD2 to stop muffled mask voice!