Active crossover for bi-amping 2-way systems. Adjustable slopes and attenuation. Details at Link.All connections are pro standard 1/4", NOT RCAs. About 10 hours use for a project a few years ago and been in the box since. Actively bi-amped systems are like Convertibles, you have to own at least one in your lifetime; some continue to do so. Pix show condition and Eddie The Dog who bites low-ballers...guess where? US Postal Money Order ONLY, no checks, no Paypal, no 3% or other nonsense. Buyer pays about $12 shipping, call it $60 including by USPS. It'll be double boxed
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