The KHM 4D wired earphones are engineered for a powerful and dynamic audio experience. Featuring a 10mm driver, they capture deep lows and crisp highs across an extended frequency range of 18Hz−20000Hz. With an impressive sensitivity of 116dB±3dB and an impedance of 32Ω, they deliver loud, clear sound. They connect easily via a universal 3.5mm plug type and offer extra reach with a 130cm cord length.