The subwoofer equipped with the Relax R12 subwoofer is a bass-reflex model with a laminar port and a 30 cm subwoofer. It offers a maximum power of 500 W and a nominal power of 250 W. Its frequency response varies from 30 Hz to 500 Hz, with a boost of 5.2 dB at 70 Hz. It has a sensitivity of 94 dB and an impedance of 2 Ω. The cabinet is made of 16 mm MDF and its dimensions are 360 mm in height, 305 mm in depth and 500 mm in length.