Introducing the DS18 ION1600.4D, a powerhouse Full-Range 4-Channel Class D Amplifier designed to elevate your car audio system with its impressive performance and efficiency. Boasting a compact design, this amplifier delivers high power output without occupying much space. With 2 x 240W @ 4-Ohm, 4 x 400W @ 2-Ohm, and 2 x 800W @ 4-Ohm bridged, the ION1600.4D ensures a premium listening experience. It features adjustable audio settings, robust safety features, and versatile installation options. Enjoy crystal clear sound and powerful bass with the DS18 ION1600.4D, your ultimate car audio upgrade. Technical Data: • SKU: ION1600.4D • Total Watts (Peak): 4800W • RMS Power @ 4 ohm: 2 x 240W • RMS Power @ 2 ohm: 4 x 400W • RMS Power @ 4 ohm Bridge: 2 x 800W Audio Specifications: • Frequency Response: 10Hz-20KHz • Signal to Noise Ratio: >95dB • Efficiency @ 4 ohm: 88% • Damping Factor: 210 • Input Impedance: 27Kohms • Channel Separation: 59dB • Total Harmonic Distortion (THD): 0.01% • Low Level Input Range: 0.2-6V • High-Level Input: Yes • Selectable X-Over: LPF/HPF/FULL • X-Over Filter Range: 40Hz-2KHz • Bass Boost Range: 0~12dB • Bass Boost Frequency: 45Hz Protection Features: • Thermal Protection: Yes • Over-Load Protection: Yes • DC Output Protection: Yes • Short Circuit Output Protection: Yes • Voltage Input Protection: Yes • Clipping Protection: Yes Design and Dimensions: • Amplifier Class: Digital • Amplifier Type: Full-Range Stereo • Number of Channels: 4 • Minimum Impedance: 2 Ohm (Stereo) / 4 Ohms (Bridge) • LED Indicator: Power / Protect / Clipping • Power Input Terminal Size: 4 AWG • Fuse Size: 140A (external) • Remote Level Control: No • Cooling Fan: Yes • Body Color / Finish: Aluminum Black / Silver Extra Features: • Hi-Level Speaker Connector: Yes • Tiffany RCA Terminal: Yes • LED Clip Indicator: Yes • High Efficiency Micro Digital Design: Yes Measurements: • Overall Length: 7.32" / 186mm • Overall Width: 4.72" / 120mm • Overall Height: 2" / 52mm • Heatsink Length: 6" / 153mm