This is a nice quality Aiwa TS-W35U Subwoofer. It features an impedance of 8 ohms.
Pure Acoustic PURHIPBOXGTX12 Portable Music Hipbox with Accessories - Speakers - Retail Packaging - Black
Two 1.5" full range drivers. Freq resp: 100 Hz-20 kHz. Signal-to-noise ratio: 70 dB. Sensitivity: 600 100mV. Connect any audio source such as MP3 players, smartphones, laptops, iPads, iPhones, iPods, USB drives & SD cards. FM radio with auto/manual channel scan & up to 40 channel memory. USB flash drive & SD card input slots. Universal 3.5mm input for MP3 players, smartphones,...
Coustic subwoofers are designed to deliver high performance power at an unbeatable price. Polypropylene cone with excellent stiffness to weight ratio allows for high efficiency and high SPL. Large foam surround increases efficiency by further reducing weight. The all new Coustic subwoofers offer a solution for any enthusiast at an extreme value.