Check the listing for details. BSS360 Frequency Card 12dB/Oct, 18dB/Oct , 24dB/Oct .. any Frequency , I can do. Condition: New. Listed at 49.00 USD. BSS360 Frequency Card 12dB/Oct, 18dB/Oct , 24dB/Oct .. any Frequency , I can do 1 card , brand new made to order Resistor : All 1% Tolerance Capacitor : 5% Tolerance This is make to order with standard components , make by manual soldering , 100% visual inspection and characteristic test on Active Crossover by PN Audio Products (AC34-D) . You can select the desire frequency (Hz) as following. 50, 60, 63,70,80,90,100,110, 125, 150, 160, 180,200, 220, 250,280,300,350, 400, 500, 600,700, 800, 900,1K, 1K2, 1K3,1K5, 1K6, 2K0, 2K5, 3K0, 3K5, 3K7, 4K0, 4K5, 5K,5K5, 6K0, 6K3,6K5,7K, or any LPF/HPF . Please note the desire frequency in " Add message to seller " during payment or ask before order. The images shown may not the actual item and are for your reference only. No return Enable for combine item. ShippingRegister Mail or ePACKET . Not include buyer customs TAX and fee.