... remote control 2012 King product,built-in 50W,with 2 loud speaker for 150dB. With Timer OFF and ... ,and can set a specified track sound.Built-in 50W, 12~24V power supply, power is ... external two loud speakers, maximum can support 50W speaker and the sound maximum can reach 150dB. ... Rotary volume adjustment switch, the concise operating.Built-in heatsink and high temperature resistant, suitable for long ...