CT Sounds engineered the CT-80.4D Full-Range Class D Multichannel Car Amplifier for anyone in need of a powerhouse amplifier that fits just about anywhere in your vehicle and won’t destroy your wallet. If you want to do 70 mph down the highway with the windows down and still have crisp and clear sound over the wind noise then look no further. This multi-channel amplifier features a Low Pass Filter (LPF) and Subsonic Filter so you can get the exact sound you are looking for out of your amplifier. The MOSFET power supply and proprietary heat dissipation design will ensure that the amplifier runs cool for even the most demanding playlists. Furthermore, the compact chassis and small footprint make it easy to install in any car audio application. You can sleep easy at night knowing your amplifier is protected from damage due to the amplifier's uniquely engineered protection circuitry featuring high voltage, low voltage, over current, and high-temperature protection. Quick Facts: RMS Power: 2Ω @ 14.4v 125 Watts x 4-Channels RMS Power: 4Ω @ 14.4v 80 Watts x 4-Channels RMS Power: 4Ω @ 14.4v 250 Watts x 2-Channels Bridged Power & Ground Input Size: 4 Gauge Speaker Input Size: 12 Gauge FEATURES Features: High Level Input ✔️ Continuously-Variable Input Gain Control ✔️ Remote Turn-On / Turn-Off Circuit ✔️ MOSFET Pulse Width Modulated Power Supply ✔️ Soft Turn-On Circuit ✔️ High Voltage / Low Voltage Protection Circuit ✔️ Thermal and Speaker Short Protection Circuit ✔️ LED Power and Protection Indicators ✔️ SPECS Technical Specifications: Amplifier Type: 4-Channel Amplifier Amplifier Circuitry: Class D Built-In Crossover? Yes; HPF, Full-Range, LPF Bridgeable? Yes RMS Power @ 2 Ohm: 125 Watts x 4-Ch (14.4v) RMS Power @ 4 Ohm: 80 Watts x 4-Ch (14.4v) RMS Power @ 4 Ohm (Bridged): 250 Watts x 2-Ch (14.4v) Recommended Fuse: 60A (Internal Fuse Built-In) Power & Ground Input Size: 4 Gauge Speaker Input Size: 12 Gauge Gain Adjustment: 0.22v - 9v Low Pass Filter (LPF): 40 Hz - 4 kHz High Pass Filter (HPF): 40 Hz - 4 kHz Bass Boost: 0 dB - 12 dB Bass Boost Frequency: 45 Hz Frequency Response: 20 Hz - 20 kHz Signal-To-Noise Ratio (S/N): 87 dB Damping Factor: 140 Input Impedance: 22 Kohms Input Sensitivity: 220 mV Operating Voltage: 9v - 16v Minimum Impedance: 2 ohm Dimensions: Length: 7.87" Width: 5.63" Height: 2.19"
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