AIYIMA 3-Inch Bluetooth Active Bookshelf Speakers with USB DAC – HiFi Studio Monitors for TV and PC

The s400 adopts a wooden cavity and pvc iron sheet process. The wooden cavity can minimize resonance to the greatest extent. It is aesthetically pleasing while ensuring the reproduction of sound

The s400 adopts the tpa3118 power amplifier chip, which is a high-efficiency Class D audio amplifier chip from TI in the United States, with a power output of up to 50w*2

The mid and low-frequency speakers of the s400 are equipped with 3-inch fiberglass cones. The features of this speaker include good rigidity and resistance to deformation, which can better ensure powerful and undistorted bass. The high-frequency speaker uses a 20-core silk membrane tweeter , It perfectly restores the sound

The s400 can be digitally connected to a speaker via a usb interface, eliminating the traditional analog signal transmission distortion. The transmission rate can reach 16-bit 48KHz, equivalent to DVD sound quality. The advantage of DAC transmission is that there is no need to spend a lot of money on old analog signal cables, resulting in less distortion and stronger sound interpretation power

The s400 is equipped with a sub output interface, which can be connected to an external active subwoofer to form a 2.1 solution, making it convenient for users to build their own small home audio-visual solution