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 PT-1.0 Passive Terminator provides a quick connection of SpeakerCraft IR Receivers equipped with mating Quad Plug and for status, power, and emitter connections. The PT-1.0 provides a quick and low cost means of interconnecting SpeakerCraft Quad Mini-Plug equipped IR Receivers with other IR products in basic IR repeating systems. The Passive Terminator has an amplified circuit for driving...
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