Vintage AudioControl EQX Series II Car Equalizer 2Way 24dB Car Crossover
Crossover Slope: 24 dB per octave. Crossover Type: 2-way Linkwitz-Riley. Programmable Crossover Frequency: 50 to 6500 Hz. Size: 1.25"h × 8.9"w x 6.9"d. PFM Frequency: Programmable 15 to 100 Hz. PFM Filter Slope: 18 dB per octave.