miaolinMQ-307 background music Ceiling Speaker Ceiling Speaker constant pressure of embedded audio

High-ceiling speakers MQ-307 MQ-307 high-ceiling speakers, is a 6-inch speaker unit with the rear cover, ABS plastic structure Product Specifications: Model MQ-307 frequency response 110-13000Hz input voltage 100V Sensitivity 88db NW 0.64KG GW 18KG rated / Maximum power 3-6W size of installation hole Ф165mm Size Ф218 * 68mm package size 480 * 370 * 470 (20pcs) [faith.] you have purchased the first commitment to sound equipment to ensure that as soon as you receive the goods are not satisfied We immediately, completely, 100% unconditional give you a full refund and return shipping us out! ! ! If sound quality is controversial, to your point of view prevail. If the goods are damaged during transport problem, we bear all freight risk, allowing you to shop without any worries! ! !