i got 6xs audiocontrol like new sell for 139$ free shipping
6-channel Linkwitz-Riley electronic crossover
gray steel chassis with gold-plated RCA jacks
top-mounted controls for easy adjustment
6-channel inputs (front, rear, sub)
8-channel outputs: front high-pass (250 Hz and up), front low-pass 90-250 Hz), rear high-pass (250 Hz and up), subwoofer (30-90 Hz)
balanced inputs eliminate noise
PFM subsonic filter (18-100 Hz at 18 dB/octave)
frequency response: 10 to 100,000 Hz
signal-to-noise ratio: 110 dB
maximum output level: 9.5 volts (13v peak)
fuse rating: 2 amps
size: 7-1/4"W x 1-1/4"H x 7-3/4"D