This is a nice quality Aiwa TS-W35U Subwoofer. It features an impedance of 8 ohms.
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
The high-performance Fluance DB Subwoofer System offers our listeners incredible, room-shaking bass in a uniquely small profile. Utilizing state-of-the-art engineering technology, the DB series can accurately reproduce any cinematic special effect - from the low rumble of an earthquake to the powerful blast of an explosion, the Fluance DB Subwoofer System offers a truly immersive listening...
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