IWISTAO HIFI Full Range Speaker Aluminum Casing 2x25W NdFeB Magnetic 4 ohm 78Hz-19.8Khz This speaker is a whole aluminum casing, with ultra-thick materials, precision CNC machining, and install a special developed 4-inch full-range speakers, low frequency is better than the same diameter (4 inch) speakers. The use of aluminum alloy cabinet has many advantages, that is, it will not peel off, aging, cracks, etc. unless it falls on the ground, and the life is almost unlimited. And its density is heavier than the wooden speaker, there will be better shock absorption effect and with the internal sound-absorbing cotton, and the low frequency will not diverge. 👇👇👇 https://www.iwistao.com/products/iwistao-hifi-full-range-speaker-cabinet-with-whole-aluminum-casing-2x25w-ndfeb-strong-magnetic-unit-8-ohm-78hz-19-8khz-black-w?variant=18563421438067 #iwistao #fullrangespeaker #metalspeaker https://www.instagram.com/p/Cor8CFbLbI2/?igshid=NGJjMDIxMWI=