1. Do not support LED display screen， FM， and remote control. Support bass tuning， through audio and bass compensation adjustment. <br />2. With overload， short circuit and overheat protection function. <br />Note: To install and wire， please refer to the instructions on amplifier interface. <br />Color: Black <br />Product size: about 155 x 95 x 38 mm<br />Package size: about 160 x 100 x 47 mm<br />Working voltage: 9-14V/2A<br />Input impedance: 47K<br />Output power: 25Wx2 (RMS) <br />Speaker impedance: 2-8Ω<br />Working frequency: 20HZ-20KHZ<br />Interface: 3.5mm<br />1 x Amplifier <br />In original package<br /><img src="http://img6.eachbuyer.com/x13/p30/bf055_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p30/bf055_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p30/bf055_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p30/bf055_4.jpg" />