This passive stereo 2channel volumes attenuator high precisely control with 6position switches for each channel (A: 0dB to -15dB, B: 0dB to -20dB). Its metal construction ensures durability while supporting 3.5Mm and connection for professional music equipment compatibility. Crafted with metal housing, this levels attenuator provide durability &antiinterference . The durability design maintains signals integrity, making it for studio and live sound . With 50kΩ input/output impedance and -35dB most attenuation, this passive device delivers nodistortion without external power. Perfect for studios, home music systems, and mobile setups. The not power design ensures energy efficiency and portability, while double channel stereo operate allows flexible sound shaping. Its simple interfaces suit professional and beginners needing reliability attenuation. Wipe the metal shell with dry cloth to maintain appearance. Avoid liquid exposure and store in a dry to preserve the switches mechanisms.