★ Detailed parameters: ★ size (size): 6.5 inch voice coil impedance ★ (voice coil impedance): 4Ω ★ coil size (voice coil size): 25 core ★ cone cone (cone): cone / rubber edge ★ range (specialty): ★ full frequency range of frequencies (freq response): 67Hz ~ 20KHz ★ Sensitivity (SPL): 86 dB (1M / 1W) ★ rated power (rated power input): 30W ★ Maximum power (max power input): 60W ★ magnet (magnet): For the Yi Ting ferrite popular audio brand, increase brand awareness, Yi-ting sound in a "high-quality products to meet customer needs for the purpose," the spirit of "excellent quality, affordable, pay goods in a timely manner, "the principle to customers solemn promise: a commitment to product quality: 1. manufactured products through rigorous testing. The absolute highest standards in line with international electro-acoustic. 2. Detection of product performance, we strictly control the quality to the highest international quality standards for the detection of the guidelines, with quality products and customer service. Second, the product price promise: 1. To ensure product reliability and advanced materials are selected domestic and international high-quality materials. 2. Our technology without compromising product performance, do not change the product components on the basis of the most favorable prices available to customers with quality products. Third, the delivery commitment: Product delivery: according to user requirements, if you have special requirements, be completed ahead of schedule, I may FATF production, assembly, and strive to meet customer needs. Four. Service commitments: 1. quality products to win customer satisfaction. 2. professional after-sales team of technicians to solve customer problems. Dongguan Yi-ting Sound Technology Co., Ltd. National Hotline: 400-805-8839 Company base: 0769-8625-6868 Company QQ: 2851691869 Company Website: http: //www.eritten.cn/ Company Address: Town, Dongguan City Wang Tong Management Area on the 2nd Street Bridge yuan