Four Behringer guitar effects pedals to include a PB100 Preamp Booster, a BEQ700 Bass Graphic Equalizer, a DR100 Digital Reverb and a UC100 Ultra Chorus
Behringer PB100 Preamp Booster - YouTube
Behringer | Product | PB100
Behringer PB100 Preamp Booster Pedal - Evolution Music
Behringer PB100 used as a BASS overdrive - YouTube