4-piece bluetooth wifi ceiling speakers powerful sound quality built-in digital class d music player spk active ceiling

        4-piece bluetooth wifi ceiling speakers, powerful sound quality built-in digital class d music player, spk active ceiling Specifications:● power: 430/class d digital amplifier module;● Frequency response: 80hz-20khz (±3db);● Non-linear distortion thd: < 0.05% at 1khz output power 1/3 rated;● Signal to noise ratio s/n: > 70db● Speaker units: 6 " Bass * 1 coaxial 1.5 " Treble;● Power consumption: 162w;● Installation: ceiling mount;● Decorative material: abs;● Power supply: ac110v ~ ac220v ± 10% 50-60hz;● Case size: ☑ 235105*185 mm. (antenna open);● Opening hole size: ☑ 205mm● Weight: 9 kg. (4 pieces)Note:Please note that the package does not include speaker cables, speaker cables must be purchased separately.100 cores Https://www.aliexpress.com/item/1005004689506718.html200 cores Https://www.aliexpress.com/item/4000938426917.htmlPackage included:4 x ceiling speakers (1 master 3 slaves)1 x power adapter