Pioneer TS-300D4 30cm 1400W Champion Series Dual Voice Coil Car Sub Subwoofer. The Pioneer Champion Series subwoofers are powerful, robust and can handle high power at high audio levels without losing audio quality. With Dual Spiders and Motor Assembly as the driving force, they can produce deep dynamic sounds that are in line with the Champion Series name. These models also feature a unique Pioneer Dust Protection design to prevent dust from interfering and reducing the performance and reliability of the subwoofer. Pioneer Champion Series subwoofers ensure precise, deep and rhythmic bass using state-of-the-art technologies, such as a Pioneer-patented IMPP composite membrane material, a strong 3D-shaped cone design and large double-stitched magnets. When powered by Pioneer’s GM-A Series with amplifiers, the Pioneer Champion Series subwoofers can deliver truly powerful, rich, high-quality bass, no matter the sound level. Upgrade the sound with the Pioneer TS-300D4. This 4 Ohm (4 Ohm x 2) dual voice-coil 30 cm subwoofer delivers 1400 W maximum power and 400 W rated power. It can be used both in an enclosure or stand-alone. Tales Pole 4-layer round copper wire. Voice coil, coil type polyimide. Lowest resonance frequency (Hz) 27 Hz. Weight 4.4 kg. Cabinet [t] 35.38 (24.1 liters to 49.5 liters). Enclosure [ft3] 1.25. Maximum power consumption 1400 W. Nominal power input 400 W. Impedance 4? X2. Mounting Depth 147 mm. Fuse opening 281 mm. Bass Speaker Material IMPP. The picture(s) in this listing are for illustration purposes only. The product design / style can vary due to alterations by suppliers during production. All our items that are sent out are checked before they are sent out to ensure all accessories are included and the item is fit for use. Please note BT, IV & JE postcodes, along with other non mainland areas will incur extra.