KENWOOD Compact 4-Channel Digital Amplifier

General: Multi-ApplicationCompact design with controlable interface to adjust the sound from a receiver.① Filter Frequency Control (A.ch/B.ch)② Filter Switch to apply HPF / OFF / LPF (A.ch/B.ch).③ Line In terminal④ Input Sensitivity Control (A.ch/B.ch)Conformal CoatingConformal coating is a special film that protects circuit boards, components, and other electronic devices from adverse environmental conditions.It provides increased dielectric resistance, operational integrity, and protection from corrosive atmospheres, humidity, and airborne contamination such as salt-spray, dirt and dust. Key Features - Feature-0: 4 channel digital (Class D) amplifier Key Features - Feature-1: Maximum output power 400W Key Features - Feature-2: 4 x 45W @ 4ohm (CEA-2006 standard) Key Features - Feature-3: RCA / Speaker level input Key Features - Feature-4: Signal sensing turn-on/off Key Features - Feature-5: Variable Low- & High-Pass filter Key Features - Feature-6: Compact size (145 x 45 x 99mm) Key Features - Feature-7: Conformal coating protection Amplifier Features - Class D Amplifier: Yes Amplifier Features - Full Range Digital Amplifier: Yes Amplifier Features - Load Capability: 4Ω Stable Amplifier Features - Maximum power output: 400W Amplifier Features - Rated power output (4Ω): 45W x 4 (4Ω) Amplifier Features - CEA-2006 Compliant: Yes Amplifier Features - Low-pass Filter: Yes Amplifier Features - High-pass Fliter: Yes Amplifier Features - Switched Mode Power supply: Yes, Power MOS-FET Amplifier Features - Signal Sensing Turn-on: Yes Amplifier Features - Line in: 4 RCA / Speaker level Amplifier Features - Speaker level Input: Yes Amplifier Features - Die-Cast Aluminium Heat Sink: Yes Amplifier Features - DC cable Supplied: Yes Amplifier Features - Conformal Coating: Yes Amplifier-Specifications - Rated power output (CEA-2006): 45Watts RMS x 4 at 4 ohms and 1% THD Amplifier-Specifications - Low-pass Filter: 50~200Hz (-12dB/oct) Amplifier-Specifications - High-pass Fliter: 50~200Hz (12dB/oct) Amplifier-Specifications - Input Impedance: 10kΩ Amplifier-Specifications - Signal to Noise Ratio: 98dB Amplifier-Specifications - Signal to noise ratio (CEA-2006): 82dBa (Reference: 1 Watt into 4 Ohms) Amplifier-Specifications - Frequency response (+0dB, -3dB): 20Hz ~ 20Hz Amplifier-Specifications - Operating voltage: 14.4V (11V ～ 16V allowable) Amplifier-Specifications - Maximum current consumption: 15A Amplifier-Specifications - Dimensions (WxHxD): 145 x 45 x 99(mm), Amplifier-Specifications - Weight: 0.7kg Amplifier-Specifications - Unit weight in individual package: 0.99 kg.