Hifonics offers seven newly designed HFi Series amplifiers, including four D-Class mono-block models, one 2-channel, and two 4-channel models.
Crowned with the retro style Hifonics HF logo, the HFi Series mono-blocks are all low distortion 4/2/1-Ohm stable highly efficient subwoofer amplifiers. They offer variable low-pass, subsonic filters, built-in system diagnostics, and a high-dissipation heat-sink design. They come equipped with bass remotes, and an illuminated HF logo. HFi mono-blocks are offered in the following configurations.