Mini frameless design;

Built-in 3” speaker driver uint, wide frequency response from 120 to 20KHz;

Build-in 70V/100V transformer, longer distance transmission and parallel connection;

Made of high quality engineering plastic, long-term durability, never out of shape and fading;

Spring clip clamp make installation easy and secure.

Suitable for public address and background music usage like schools, stadiums, parks, train stations, airports and shopping malls, etc.