UTGÅTT Pioneer 12", Single 4 Ohm talspole,

TS-W311
30cm 4Ω multi-use single voice coil subwoofer (1000W)

More bass. More power.
TS-W series subs combine superior sound, design and technology.
All TS-W series subwoofers are designed to produce high-quality sound. They are equipped with a fully enclosed basket, which suppresses repulsion efficiently, ensuring accurate, clear and rhythmical bass. Each sub also comes with advanced technologies, such as a Pioneer patented IMPP composite cone, a rigid 3D-shaped cone design, and large double stacked magnets. On top of that, these TS-W series offer easy installation in many different cars.
TS-W311
Get powerful, punchy bass in your car from the pedigree of world record-breaking subs. The TS-W311 is suitable for both open-air and enclosed spaces. It is also available solely for enclosed-use: TS-W311S4 or TS-W311D4.