The Microlab B15 is a two-channel speaker system for computer audio, suited to listening at a desk. Its total rated output is 3 W × 2 RMS.
Connect an audio source through the 3.5 mm line input; USB supplies power separately at 5 V. The system has no Bluetooth or Wi-Fi connectivity.
A cable-mounted controller makes volume adjustment accessible, while built-in seven-colour LED lighting adds illumination to the setup. The frequency range is 120 Hz–20 kHz. Each pair measures 80 × 90 mm across the footprint and stands 176 mm high, fitting a computer desk or other compact listening area.