Sennheiser CX 680 Wired Earphones于 2012 年 3 月 17 日首次发布。优雅的黄色设计，重量为 10.00g，线长为 1.2m，使Sennheiser CX 680 Wired Earphones和耳机舒适。
Sennheiser CX 680 Wired Earphones vs Sennheiser MM60 Wired Headphones
Sennheiser CX 680 Wired Earphones vs Panasonic RP-HXD5WE Wired Headphones
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Sennheiser CX 680 Wired Earphones vs Audio-Technica ATH-CKF300 Wired Earphones
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Sennheiser CX 680 Wired Earphones vs Audio-Technica ATH-P150LG Wired Headphones
Sennheiser CX 680 Wired Earphones vs Panasonic RP-HS46 Wired Headphones
