Mein Viva rhythm community bass drums deliver a lower overall tone with outstanding projection. Their synthetic shells feature a rubber bottom to prevent slippage or scratching and are shaped to allow air to escape from the shell. This creates a low fundamental tone that resonates fully. The boom SERIES pre-tuned synthetic heads give a robust attack, while the SOFT SOUND SERIES pre-tuned Napa heads have a warm, softer attack followed by a deep sustain.