Specification Brand : Multizenic BulletPoint1 : High-Performance Chip: Adopts imported TPA3255 chip for guaranteed quality, ensuring long-lasting and stable performance for your audio needs. BulletPoint2 : Simple Installation: The digital amplifier board features easy installation, making it a breeze to set up and use in various applications. BulletPoint3 : Excellent Sound Quality: Special inductance for audio keeps the sound clear and powerful, delivering an immersive listening experience. BulletPoint4 : Wide Application: With its practical adaptability, the amplifier board maintains high performance across a range of uses, making it a versatile addition to your audio setup. BulletPoint5 : Detailed Specifications: Offers a quiescent current of 150mA, work efficiency of over 90%, and various output power options to meet different requirements. Frequency response ranges from 20Hz to 20KHz, dynamic range is over 100 dB, and signal-to-noise ratio is greater than 111dB. ItemName : Digital Amplifier Board Module with TPA3255 Chip, 4 Sound Channel High Power Class D Audio Parts, Supports Wide Application, Clear and Powerful Sound ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 14 centimeters ItemTypeKeyword : electronic-component-audio-amplifiers Manufacturer : Multizenic ModelName : Multizenicgav36dtzi7 ModelNumber : Multizenicgav36dtzi7 PartNumber : Multizenicgav36dtzi7 ProductDescription : Item Type: Digital amplifier board Working Method: Class D Quiescent Current: 150mA Work Efficiency: .>90% Output Power: 315W/4Ω, distortion 10% x 4 185W/8Ω, distortion 10% x 4 260W/4Ω, distortion 1% x 4 150W/8Ω, distortion 1% x 4 Frequency Response: 20Hz to 20KHz Dynamic Range: >100 dB Signal to Noise Ratio: > 111dB Working Voltage: DC24-48V switching power supply (DC) (It is recommended to use DC36V switching power supply. If use the DC48V power amplifier board, temperature of the will be higher, the fan needs to be added for cooling.)