Built-in 70V/100V transformer for long-distance audio transmission High-quality full-range 4&; two-way speakers Wide frequency response from 55Hz to 10kHz Clear sound performance with 88±3 dB noise level Sturdy aluminum extruded body with die-cast end covers Durable front metal mesh grille for protection Multiple connectivity options: Bluetooth, USB, SD card, FM radio Easy wall mounting with integrated hanging holes 1 year warranty বিক্রয় ও শিপমেন্ট: MNK SHOP