High-pass and low-pass filter on bass in the mix - YouTube
Maestro | Titan Boost
SOLD Broughton HPF variable High Pass Filter - Effects For Sale - Basschat
I made a tiny high-pass filter : r/diypedals
NPD - Broughton Low + High Pass Filter. Does a great job of cleaning up muddy low end and hissy high end frequencies I don't want. Just the creamy middle! : r/BassGuitar
SOLD - fDeck HPF-Pre Series 3 | TalkBass.com
variable HPF and LPF in a pedal? | TalkBass.com
Tech 21 Q-Strip EQ and Preamp Pedal Direct Box with 4-band EQ, LPF and HPF, XLR Output and 9V Phantom Power - Zorro Sounds
variable HPF and LPF in a pedal? | TalkBass.com
High Pass Filter | Broughton Audio
Broughton High Pass Filter Pedal | Reverb
Broughton (HPF) High Pass Filter Pedal | Reverb
Used Broughton Low + High Pass Filter Bass Effect Pedal | Musician's Friend