package included<br />1 x car audio amplifier<br /><br /> and reliable quality mono 600 watts car audio amplifier gives you a wonderful in-car entertainment.<br />current /amperage overload， short circuits， thermal overload，dc offset<br /><br />specifications<br />1. model: pa-60a<br />2. max power: 600w<br />3. rated power: 150w<br />4. thd: ＜0.1%<br />5. frequency response:30hz~280khz<br />6. operating voltage:12v<br />7. impedance:4?<br />8. snr: 105dba