🏷️ Basic Information Identification Make: Kenwood Model: KAC-X4R Year: Unknown Generation: Unknown 📋 Manual Details Publication Manual Type: Repair Manual Language: English Page Count: Unknown Format: PDF Download ⚙️ Engine Specifications Power Output Channels: 4-Channel Power Output Rms 4Ohm: 50W x 4 Power Output Rms 2Ohm: 75W x 4 Power Output Bridged Rms: 150W x 2 Frequency Response Frequency Response: 20Hz - 20kHz Signal To Noise Ratio Signal To Noise Ratio: >100 dB Total Harmonic Distortion Total Harmonic Distortion: <0.04% 🔧 Transmission Control Type: N/A (Automotive Amplifier) Gears: N/A (Automotive Amplifier) 📐 Dimensions Physical Dimensions: Refer to Manual Weight: Refer to Manual 🔧 Maintenance Servicing Service Interval: As needed for repair Cleaning Cleaning Instructions: Refer to Manual 📄 Electrical Power Requirements Voltage Input: 11-16V DC Fuse Rating: 25A x 2 📄 Features Audio Processing Bass Boost: Variable High Pass Filter: Variable (50-200Hz) Low Pass Filter: Variable (50-200Hz) Connectivity Speaker Level Inputs: Yes Preamp Outputs: No