Made In: JapanDecades of pro musicians don't lie, the Ampeg SVT-810E Bass Enclosure will rattle your foundation. 8 - 10" speakers produce an incredible wall-of-sound! Fidelity is enhanced by the fact that each pair of speakers is in a separate internal cabinet that prevents standing wave interference. 800W RMS handling capability. 1,600W program handling. 4-ohm nominal impedance..