Check the listing for details. Intertechnik 6.8mH 0.660 ohm 1.4mm AWG 15 Corobar Core Inductor for Loudspeaker. Condition: New, Made in Germany. Listed at 95.00 USD. Intertechnik Corobar choke inductor coil for passive loudspeaker crossovers. The I.T. Intertechnik CO92/6.8/140 is High load coil with very high saturation limit due to special Corobar material, PA suitable.