The Debra Professional Audio AU-400 4 Handheld Microphone Set is a high-quality microphone set designed for professional audio recording and performance. With a sleek black design and superior sound quality, this set includes four handheld microphones perfect for musicians, public speakers, and recording professionals. Manufactured by Debra Audio in China, these microphones are sure to meet the needs of any user looking for reliable and professional-grade audio equipment.