Brand N/A Model HT25 Quantity 2 piece(s) Color Black Material Iron + plastic Amplifier Class A FM Frequency 2KHz~20KHz MHz Frequency response 2000~20000 Hz Number of Channels 2 Input Power 150W Peak Power Output 150W RMS Power Output 40W Input Sensitivity 92dB lnput Impedance 4 ohm Signal To Noise Ratio 92 dB Slewing Rate 100 Input Voltage 10~15V Speaker Impedance 4 ohm THD (Total Harmonic Distortion) 0 Interface Cable connection Remote Control No Application Car Other Features 25mm diameter voice coild high-pitched voice diameter: 35mm. High performance small size and easy installation. Packing List 2 x Car speakers (80cm-cable) 2 x Brackets 2 x Covers 2 x Adhesive tapes 4 x Screws