This is a nice quality Aiwa TS-W35U Subwoofer. It features an impedance of 8 ohms.
SpecificationsOne Pair / Two Brand New 12" Neodymium Subwoofers500 Watts RMS and 1000 Watts Max per pair50 - 3500 Hz Frequency Response97dB SPL8 Ohm ImpedanceHigh Temperature 2.5" Flat Ribbon wire multi layer voice coilsNeodymium MagnetsSturdy Kevlar Loaded Paper Cones with Cloth Accordion Edge SurroundsProgressive Rolled SpidersReinforced Aluminum FramesSilver Spring Loaded...
Frequency response 25Hz-250kHz . Reversible top gasket. Large copper-wound Kapton voice coil. Auto tension push terminals. Flat Conex spider with loop stitched tinsel leads
Orion Cobalt Series 10 Inch 400-Watt Subwoofer - ORN CO104SFEATURES: Frequency response 39Hz-250kHz Reversible top gasket Large copper-wound Kapton voice coil Autotension push terminals Flat Conex spider with loop stitched tinsel leads Orion Cobalt Series 10 Inch 400-Watt Subwoofer - ORN CO104S