FEATURES ◉ German Infineon's new digital high-power amplifier chip has higher quality, high efficiency, and low energy consumption ◉ Using Japanese NJRC company electronic volume control chip NJW1194, precise volume control, and ultra-low distortion ◉ It can be bridged (BTL) into a single-channel amplifier with a higher power to drive large speakers ◉ Built-in SMSL SDB patented sound and treble/bass adjustment for easy matching of a variety of speakers and music ◉ The built-in high-pass filter circuit can filter out the subwoofer, drive the main speaker, and cooperate with the subwoofer to form a 2.1 system ◉ With subwoofer signal pre-output, it is convenient to connect the active subwoofer to form 2.1 system ◉ New Bluetooth 5.0 reception, better sound quality, longer transmission distance! ◉ All aluminum alloy CNC precision processing shell, anodizing technology and chamfering process, exquisite workmanship and delicate touch ◉ The user-friendly operating system is easy to understand, equipped with full-featured remote control function ◉ A large number of audiophile-grade audio components are used to enhance the subjective sense of hearing ◉ High quality gold-plated input and output terminals; ◉ Perfect protection circuit for overheating, overcurrent, etc. ◉ Built-in high quality power supply, specially designed for audio!