Introducing the Down4Sound JP84 GREY 4-Channel Amplifier - a powerhouse that delivers 400W RMS power to transform your car audio system. Engineered to perfection, this full-range digital multi-channel amplifier offers stability into 2 ohms stereo or 4 ohms bridged configurations. With a high-speed MOSFET power supply, variable high and low pass filters, and crossover multiply x10, the JP84 GREY is designed to impress even the most discerning car audio enthusiasts. Rest assured with Class D technology and 4-way protection circuits, providing reliability and safety. Trust independent 3rd party testing, which certifies its remarkable performance at 40 Hz per channel. Experience the ultimate in car audio with the JP84 GREY. Key Features: 400W RMS power, delivering exceptional audio quality Stable into 2 ohms stereo or 4 ohms bridged configurations High-speed MOSFET power supply for reliable performance Variable high and low pass filters for customizable sound Crossover multiply x10 for versatile audio options Class D design for efficient and powerful amplification 4-way protection circuits for safety and reliability Specifications: RMS POWER: 120W x 4 @ 14.4V - 2 ohms RMS POWER: 90W x 4 @ 14.4V - 4 ohms BRIDGE POWER: Range 180 - 284W x 2 Frequency Response: 10Hz - 40KHz High Pass Filter: 20Hz - 800Hz High Pass Multipliers: 1x - x10 (200Hz - 8kHz) Low Pass Filter: 50Hz - 800Hz Low Pass Multipliers: x1 - x10 (500Hz - 8kHz) Signal to Noise Ratio: 95dB