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IPX6: Protection against Powerful Water Jets / Water projected in powerful jets, up to 12.5mm (0.49 inch) against the amplifier from any direction shall have no harmful effects. IPX7: Protection against Immersion, up to 1 m (3 feet, 3 inch) depth / Restricts harmful amounts of water entry when the amplifier is immersed in water under defined conditions of pressure and time, up to 1 m (3 feet, 3 inches) of submersion. IP6X: Effective against Dust-tight / Dust entry is restricted to avoid damage to the amplifier. A Drain Tunnel Structure is employed for creating a gap between the amplifier and the installation surface. This prevents saltwater and sand from accumulating on the bottom, increasing corrosion protection.
Saltspray-proof: ASTM B117 salt spray (or salt fog) corrosion test simulates harsh conditions in a saltwater environment to ensure the amplifier does not corrode or fail in these harsh conditions. By adopting the Corrosion-Resistant Sealed Cast Aluminum Chassis and stainless-steel screws resistant to rust and corrosion, this amplifier achieves the highest level of durability in its class.
Vibration-proof: Vibration can be damaging to amplifier if it is not designed to withstand it. This amplifier passes a 3-axis multi-frequency vibration test. The amplifier mounting section is made of 15/64 inch die-cast material to suppress the amplification of vibration. In addition, the thick heat-transfer sheet was also placed to the substrate and the Aluminum die cast heat sink to suppress the vibration of the substrate.
Thicker terminal connection points and increased wire size enables maximum current flow and higher output for better low frequency response and cleaner output.
High Quality PMLCAP’s (Polymer Multi-Layer Capacitors) are utilized to lower distortion levels, improving the overall listening experience at higher volumes, while maintaining the integrity of the sound.
Magnetic Shielding for the output coils reduce radiated noise, delivering smooth and accurate sound
If your receiver does not have RCA audio outputs, simply connect your speaker wires to to the KS-DR2004D’s RCA cable to use as an audio signal input.
|Operating voltage||12V DC car battery|
|Operational temperature range||–10°C – 60°C|
|Waterproof & Dustproof||IP66, IP67|
|Max Power Output||600W|
|Speaker Impedance||4Ω (2Ω to 8Ω allowable) (Bridged connection: 4Ω to 8Ω allowable)|
|Frequency response (+0, –3dB)||10Hz–35kHz|
|Input Sensitivity (RCA)||0.2V-5.0V|
|Signal to noise ratio||89dB|
|Low pass filter frequency (–12dB/oct.)||50Hz–200Hz (variable)|
|High pass filter frequency (–12dB/oct.)||50Hz–200Hz (variable)|
|Stereo (4Ω)||50W x 4 (20Hz–20kHz, ≤1.0% THD)|
|Stereo (2Ω)||75W x 4 (1kHz, ≤1.0% THD)|
|Bridged (4Ω)||150W x 2 (1kHz, ≤1.0% THD)|
|Amplifier Output (Watts)||600|
|Color Finish Name||Black|