Furman P-1800 PF R Advanced Level Power Conditioner with Power Factor Technology Rackmountable, Use for Instrument Amps Power Factor Technology supplies 45+ amps of instantaneous reserve current, on demand, for power starved amplifiers. Clear Tone Technology provides tuned filtering circuits engineered for instrument amplifiers to provide a clean and consistent tone. Furman's exclusive SMP technology provides the highest level of surge & spike protection available; Lift offers AC power filtering to ensure clean power for unequaled audio & video clarity Isolated outlet banks minimize inter-component interference and noise contamination. From the #1 brand in professional power conditioning. Perfect for instrument amplifiers, DJ equipment,pro audio rigs