As an ultra-compact monoblock power amplifier from the M-Series

Bass boost 0 - 12 dB (SUB)

Bass control available as an option

HPF/LPF 50 - 5000 Hz (REAR)

this sometimes additionally limits the spatial reproduction of the music

Audio System SUBFRAME R10 FLAT-D4 ACTIVE 220 EVO3 Packaging Unit:Individually As an ultra-compact monoblock powerThe Audio System SUBFRAME R10 FLAT D4 ACTIVE 220 EVO3 is the ideal solution for anyone who wants to enjoy powerful and precise bass without sacrificing valuable storage space in their vehicle. This active subwoofer system was specifically designed for the spare tire well and combines a powerful R10 FLAT EVO3 D4 flat subwoofer with the integrated CO 220. 1 amplifier. The sealed MDF enclosure with internal bracing ensures controlled, precise bass