Features ◦ 4 Channel Class D Circuitry◦ ACT - Adaptive Crossover Technology◦ High efficiency Full Range Class D Technology◦ Direct Connect Speaker Terminals◦ Large Gauge Power Wire Inputs◦ APC - Audio Protection Circuit◦ SESI - Signal Evaluation Status Indicator Specifications @14.4 Volts - 1% THD 4 x 50 Watts @ 4 Ohm 4 x 100 Watts @ 2 Ohm 2 x 200 Watts @ 4 Ohm (Bridged) Working Voltage: 10 - 16 Volts Frequency Response: 10Hz - 20KHz Signal to Noise Ratio: < 85dB Damping Factor @ 4 Ohm > 57/ 1KHz Low Level Input: 6V - 0.2V Ch 1/2 High Pass Filter Variable: 20Hz - 5KHz Ch 1/2 Low Pass Filter Variable: 50Hz - 5KHz Ch 3/4 High Pass Filter Variable: 20Hz - 5KHz Ch 3/4 Low Pass Filter Variable: 50Hz - 5KHz Minimum Working Impedance: 2 Ohm Stereo DIMENSIONS L - 5" / 127mm W - 5.20" / 132.08mm H - 2.50" / 63.50mm Description Expertly designed for optimal performance, the EX100.4 Mini 4 Channel Full Range Class D Amplifier delivers powerful and clean sound. With 4 ohm @ 14.4 volts & 1% THD, this compact amplifier provides 4 x 50 Watts to enhance your audio experience. Its advanced features, such as the variable high and low pass filters, ensure precise tuning for a frequency response of 10Hz - 20KHz. Achieve superior sound quality with the EX100.4. Product Manual Product Manual PDF Dyno Testing