The erhu resonance control pad is crafted from black wool felt, designed to effectively filter and dampen unwanted sounds. This soundproofing pad ensures a clear and pure tone by absorbing excess vibrations, making it an essential accessory for any erhu player seeking to enhance their instrument's performance. Features -Color:Black -Material:Wool -Size:15.00X3.00X0.10cm/5.89X1.18X0.04in -Noise reduction: the black wool felt erhu filter pad effectively eliminates unwanted noise, ensuring a clear and pure sound. -Enhanced sound quality: the felt sound filter provides a rich and warm tone, enhancing the depth and warmth of the erhu's sound. -Interference minimization: the mute pad reduces noise interference during performance, allowing for focused and enjoyable playing experience. -Easy maintenance: the black wool felt filter is easy to replace and clean, ensuring longterm use and convenience. -Versatile use: suitable for various playing environments, from practice sessions to performances, providing consistent sound Package list: 4 x Erhu sound filter pads