Alpine KTA-450 Power Pack Compact 4-channel car amplifier — 50 watts RMS x 4

  Features and Specs Performance RMS Power Output (Watts x Channels) 50 x 4 Peak Power Output (Watts x Channels) --- Power at 2 Ohms (Watts x Channels) 50 x 4 Bridged Power (Watts x Channels) --- Minimum Impedance Bridged --- Minimum Impedance Unbridged --- Best Frequency Response --- THD at Rated RMS Power --- Signal to Noise Ratio --- Input Voltage --- Features Amplifier Class Not Given Low-Pass Crossover Frequency N/A Low-Pass Slope (dB/octave) --- High-Pass Crossover Frequency off, 60, 80, 120 H High-Pass Slope (dB/octave) 12 dB/octave Bass Boost --- Bass Boost Frequency --- Fan Cooled --- Fuse Rating 15 Speaker Level Inputs RCA Preamp Outputs No Width (inches) 7 Height (inches) 1-1/4 Depth (inches) 3-1/2 Parts Warranty 1 Year Labor Warranty 1 Year