1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0Specifications Product Name 2X300W Audio AmplifierAmplifier Type HiFi AmplifierChip Model TPA3255Power Supply Voltage DC 19V DC 52VOutput Channel 2 channel stereoFrequency Response 20Hz to 20KHzDynamic Range 100dBSNR 111dBWork Efficiency 90 Output Power 315W 4Ω THD 1 5 185W 8Ω THD 1 5 260W 4Ω THD 1 150W 8Ω THD 1 Impedance 4 8 ΩProduct Size 136 x 73 mmScrew Hole Spacing 66 x 128 mm Features 1 High Performance Class D Amplifier The TPA3255 chip delivers high end true Class D efficiency offering superior sound quality with ultra low distortion across the entire audio frequency range This ensures an exceptional listening experience making it perfect for audiophiles 2 Advanced Circuit Design Utilizing advanced integrated feedback design and proprietary high speed gate driver error correction this amplifier ensures ultra low distortion and high fidelity even at higher power outputs It effortlessly maintains sound quality while driving up to 2x315W 4Ω loads 3 High Quality Components Crafted with high quality components including HIFI tantalum capacitors and Japanese chemical capacitors the TPA3255 amplifier is designed for stable performance and longevity at DC 52V This provides reliable operation and excellent sound reproduction 4 Differential Input Structure The TPA3255 features a differential input structure with a TL072 operational amplifier which adopts field effect input for warm