※ all the way to line input, unbalanced signal, and a volume adjustment; ※ single-core shield with a standard audio signal for the signal transmission line; ※ reserved 50CM single-core shielded cable, easy to use; ※ AC220V power supply mode; ※ reasonable structure, nice, with good waterproof ability to facilitate the installation to the outdoor use; ※ built-in the latest research and development of high-fidelity 1.5 "/ 8Ω*1, 6.5" / 8Ω * 1, hi-fi high, low-frequency speakers; ※ close to hi-fi class sound quality power amplifier circuit, frequency response range up to 100Hz ~ 20KHz (± 3dB); ※ With automatic power saving function, when the detection of no signal input, automatically cut off the main power amplifier;
