DS18 G8400.4D Full-Range Class D 4-Channel Car Audio Amplifier 8400 Watts The GEN-X Series returns with an extremely powerful amplifier for supercharged builds that like it LOUD! After extensive revision, the GEN-X Series is back and better than ever! The experts at DS18 have transcended the industry standard once again with the G8400.4D : a complete redesign of the GEN-X Series amplifier! The G8400.4D comes with variable full crossover filter for crystal clear audio whenever you want it! Fully adjustable High Pass, Low Pass, and Full Filters give you control over your sound! Surface mount component technology allows for creative control over the placement and design of your build! Protect your equipment effectively with Protection, Clipping, and Power Indicator LED’s that notify you when your amplifier has reached it’s limit! Anyone looking to turbocharge every piece of equipment in their system is sure to be satisfied by this amplifier! The G8400.4D has power ratings of 2 x 1700 W at 4 ohms bridge, 4 x 1000 W at 2 ohms, and 4 x 700 W at 4 ohms, and 8400 W MAX for pristine power on demand! This amplifier would be a great addition to any sound system looking to get it loud and keep it there! Highlights: Compact Size For Easy Installation Anywhere Variable Full Crossover Filter For Crystal Clear Audio On Demand Fully Adjustable HP, LP, Full Filters Surface Mount Component Technology Audio Precision Quality Control Verification Stable and Reliable Digital Circuit Design Protection, Clipping, And Power Indicator LED’s High and Low Voltage Protection Great For: Pro Audio Car Audio Technical Details Download Product Manual Specifications POWER Total Watts (Peak) 8400W RMS Power @ 4 ohm 4 x 700W RMS Power @ 2 ohm 4 x 1000W RMS Power @ 4 ohm Bridge 2 x 1700W AUDIO Frequency Response 20Hz-20KHz Signal to Noise Ratio >90dB Efficiency @ 4ohm 80% Damping Factor 78 Input Impedance 22K Channel Separation 70dB Total Harmonic Distortion (THD) 0.01% Low Level Input Range 0.25-6V High Level Input NO Selectable X-Over LPF/FLAT/HPF X-Over Filter Range 50-250 Hz Bass Boost Range N/A Bass Boost Frequency N/A Infrasonic Filter N/A Phase Selector NO FEATURES Amplifier Class Digital (D) Amplifier Type 4CH Full Range Number of Channels 4CH Minimum Impedance 2 ohms St / 4 ohms Bridge Led Indicator Power / Protection / Clip Power Input Terminal Size 4ga Fuse Size 240A Remote Level Control NO Cooling Fan NO Voltmeter NO Thermal Protection YES Over-Load Protection YES DC Output Protection YES Short Circuit Output Protection YES Voltage Input Protection YES Clipping Protection YES Body Color / Finish Matte black MEASUREMENT Overall Length 14.37″ / 365mm Overall Wide 4.72″ / 120mm Overall Height 1.96″ / 50mm Heatsink Length 12.51″ / 318mm Gross Single Unit Weight 2.6KG