1. Kenwood KAC PS804EX 1000W, 4 Channel Car AmplifierHigh Performance Standard Series: The KAC-PS804EX is part of Kenwood’s Performance Standard Series, known for its reliability and superior sound quality. Engineered for high efficiency and durability, this amplifier ensures your audio system performs at its best. 2. Flexible Setup Options: Configure the KAC-PS804EX in a 4-channel or 3-channel setup (2 channels + Subwoofer) to match your audio needs. This flexibility allows you to tailor the amplifier to your specific system requirements, whether you’re powering full-range speakers or a combination of speakers and a subwoofer. 3. Powerful Output: With a maximum power output of 1000 watts, the KAC-PS804EX drives your speakers with impressive power. The amplifier delivers a rated power output of 70W x 4 at 4Ω and 100W x 4 at 2Ω, ensuring robust and clear sound reproduction across all frequencies. 4. Built-In Filters: The amplifier features both a variable low-pass filter and a high-pass filter (80Hz: ON/OFF). These built-in filters allow for precise control over the frequency range, optimizing the performance of your speakers and subwoofers. 5. Signal Sensing Turn-on: For seamless integration with your existing audio system, the KAC-PS804EX includes a signal sensing turn-on feature. This allows the amplifier to automatically power on when it detects an audio signal, simplifying installation and operation. 6. MOS-FET Switching Power Supply: The amplifier utilizes a Power MOS-FET switching power supply for efficient performance. This technology enhances power delivery and reliability, ensuring consistent performance even under demanding conditions. 7. Advanced Cooling System: Equipped with a die-cast aluminum heat sink and a cooling fan, the KAC-PS804EX maintains optimal operating temperatures. This advanced cooling system prevents overheating and ensures the amplifier performs reliably over time.