Ensuring Excellent Integration With OEM Systems For A Hassle-Free Experience! 300W 4-Channel Amplifier (DPower 4) The Hertz DPower 4 (Order Code DPOWER4) 300W 4-Channel Amplifier is excellent for OEM systems upgrades, the Hertz DPower4 four channels car audio amplifier is ultra-compact to ensure effortless installations in the increasingly narrow spaces of modern vehicles or in the factory amp area. The efficient D Class circuit delivers 600W of maximum power within a compact chassis, an essential requirement for in-car integration. The versatile crossover filter of the DPower 4 enables the user to create a front-rear or front + subwoofer system by connecting two channels in bridge mode. The double speaker and RCA inputs allow the DPower4 to connect to any type of source, be it OEM or aftermarket. For an excellent integration with OEM systems, the DPower4 is equipped with a smart automated turn-on and off circuit according to the factory radio. Features: Ultra-compact design allows for effortless installation in modern vehicles or factory amp areas, perfect for upgrading OEM systems with limited space. High Power/Size Ratio with its efficient D class circuit delivers 600W of maximum power. Versatile X-OVER to enhance subwoofer punch with the bass boost function, elevating the audio experience at 45Hz up to 12dB. Speaker and RCA inputs allow connectivity to any source, whether OEM or aftermarket, providing flexibility for diverse audio setups. Smart Auto Remote Turn-On/Off circuitry aligns with the factory radio, ensuring excellent integration with OEM systems for a hassle-free experience. Specifications: Channels: 4Ch / 3Ch / 2Ch Power Supply Voltage: 11 - 15V DC Idling Current (Power ON/OFF): 1A / 0.04mA Consumption @ 2-Ohm, 14.4V DC (Max Musical Power): 16A Remote-In: 4 - 15V DC - 1mA Distortion - THD (100Hz @ 4-Ohm): 0.2% Bandwidth: 10 - 30kHz S/N Ratio (A-Weighted @ 1V): 95dB Damping Factor (100Hz @ 4-Ohm): 60 Pre-ln Sensitivity: 0.2 - 5V RMS Load Impedance (Min): 2-Ohm (4-Channel) Adjustable Crossovers: Yes Output Power (RMS) @ 14.4V DC, THD 1%: 4Ch: 50 x 4 (4-Ohm) 3Ch: 50 x 2 + 130 x 1 (4-Ohm) 2Ch: 130 x 2 (4-Ohm) 4Ch: 65 x 4 (2-Ohm) 3Ch: 65 x 2 + 130 x 1 (2-Ohm) Total Power RMS: 300W Inputs & Filters: Inputs: Pre-In & Speaker-In Input Mode: 2Ch / 4Ch Front Ch Filters: Hi-Pass Rear Ch Filters: Hi-Pass & Lo-Pass Dimensions: (L) 222mm x (W) 142mm x (H) 50mm Packaging Type: Giftbox Weight: 1.58kg