Nobsound A5 TPA3255 Stereo HiFi Audio Class D Digital Power Amplifier with 300W x Compatible with Home Theater and Bookshelf Speakers Amplifier,

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ----------------------------------------------------------------------

HiFi Sound and Adjustable High-Pass Filter: The Douk Audio A5 is equipped with a TPA3255 chip and features an adjustable high-pass filter (HPF) from 30Hz to 200Hz. This refines mid- and high-frequency ranges and minimizes low-frequency interference. It is particularly well-suited for bookshelf and passive speakers, improving sound clarity and creating a dynamic soundstage. It delivers an immersive audio experience in home stereo and theater systems. It's also the perfect choice for audiophiles seeking high-quality sound to enjoy the subtle nuances of sound. Easily Customizable Plug-and-Play Op-Amps: The Douk Audio A5 features a tempered glass access panel, making it easy to replace Op-Amps. In addition to the standard NE5532 Op-Amps, it can be upgraded to dual Op-Amps such as 2134, 2604, 5532, 2068, and muse02. This allows users to customize the sound profile to their liking. Since sound quality can be easily adjusted without disassembling the amplifier, even those new to audio equipment maintenance can use it with confidence. PFFB Technology and High-Performance PCB Design: This digital amplifier employs Post-Filter Feedback (PFFB) technology and a 4-layer Immersion Gold PCB, which reduces distortion and improves frequency response. It also enhances signal integrity and provides effective thermal management. As a result, it delivers exceptional audio accuracy and delivers the best performance when listening to music or movies. The use of high-quality components ensures stable sound quality even over long periods of use. Stylish design perfect for living rooms and studios: The Douk Audio A5 features a compact and modern design. It features a transparent panel and adjustable internal LED lighting, available in multiple color variations, allowing you to create the perfect atmosphere for your living room or studio. Its sophisticated appearance complements any interior, so it can be used not only as an audio device but also as an accent piece in any space. High-Power Output of 300W x 2 and High-Quality Components: The Douk Audio A5 features a TPA3255 chip and high-quality components, delivering a high-power output of 300W x 2. It boasts ultra-low distortion (0.002% THD) and excellent compatibility with the DAC-Q11. It delivers excellent sound quality for a variety of situations, from weekend movies and evening music listening to music to relaxing after work. In addition to the standard 32V/5A power adapter, you can also use a 48V/5A adapter for even higher power output. parameter - Brand: Nobsound - Model: A5 - Audio Input: Stereo RCA - Audio Output: Banana Speaker Jack/3.5mm AUX - High-pass filter adjustment range: 30Hz-200Hz - MAX output efficiency: 300W*2 (4Ω) - Supported speaker impedance: 4-8Ω - THD+N: 0.002% - SNR: ≥114dB - Input Sensitivity: 2V - AUX Rated Output Level: 3.7V - Frequency response: 20Hz-20KHz (±0.7dB) - Operating voltage: DC 24-48V - Dimensions (W*D*H): 130*102*33mm - Package Dimensions (W*D*H): 265*240*65mm / 10.43*9.45*2.56in - Weight: 506g / 1.12lb - Package Weight: 1.1kg / 2.43lb