Blaupunkt Class A/B 2 Channel Amplifier, 2000W MAX 150 x 2 MAX @ 2 Ohms 100 x 2 RMS @ 4 Ohms DIM (WXHXL) 7.4"e; x 2.2"e; x 11"e; Fuse: 25A x 2 2 Ohm Stable Frequency Response: 10Hz - 30kHz Signal-To- Noise Ratio: >96 dB Voltage Supply: 11 - 16V DC Gain Adjust: 200mV-8V Total Harmonic Distortion: <0.05% RCA Input: 2-channel Crossover Frequency: 50Hz - 400Hz Crossover Slope (dB/oct): 8-10dB/oct