Product Details from the Brand
The Sennheiser CX 1.00 Earphones are in-ear canal headphones with a dynamic transducer to deliver a frequency response of 17 to 20,000 Hz with a THD of less than 0.5% and a maximum SPL of 119 dB. They include a set of four ear adapter sizes (XS, S, M, L) to accommodate ear canals of different sizes.