BLACKAIRP8-V6: BlackAir Wheel Well Triple 8 Inch Passive Radiator Subwoofer Enclosurer. Perfectly designed for today’s demand for high performance yet small footprint bass enclosures. Passive radiators enable the great bass response in a small enclosure with no port, with the advantages of no port non linearities and no high frequencies reflected out of a vent. Fully compatible with our plug and play micro amplifiers. Unique Design Passive Radiator technology. Unique mounting system allows fitment in most wheel wells to maximise space. Dual 4 Ohms Voice Coil Configuration. Steel mesh grilles protect the woofer and passive radiator from any potential damage. Spring loaded terminals allow heavy gauge cable to be connected. POWERBOX400.1M-V7: Powerbox 800 Watt Micro Bass Amplifier. Small footprint, big impression! Vibe’s latest amplifier technology allows us to deliver high performance in an incredibly small footprint. Our mono & 4 channel Powerbox micro amps are small, yet mighty, with up to 400w for bass and 4 x 65w for speakers. The small size enables easy installation. The 4 channel features a +12v remote output and daisy chain signal output making it an ideal system building block. The 4 channel amp has the option to fit with ISO T harness direct to the head unit this supplies audio signal and power and earth meaning there is no need to connect a separate cable through to the vehicles battery, just plug and play. Class D Small and Mighty Micro Amplifier. Ultra compact footprint for easy installation. Use with a Critical Link Rapid kit for the fastest fit. 8? Passive Subwoofer Enclosure. Peak power: 1200 watts. RMS power: 400 watts. Impedance: Dual 4 ohms. Dimensions: 18.8? X 19.9? X 5.9? (477 x 505 x 150mm). 2nd order passive radiator enclosure. Recommended amplifier: POWERBOX400.1M-V7. 1.5? X 6.2? X 3.2? (37mm x 157mm x 82mm). Frequency response: 10Hz – 500Hz. Crossover range: 30Hz – 150Hz Class D micro amplifier. Recommended power cable 10 gauge (Max 8 Gauge) or RAPIDKIT. Optional ISO connection kit (4 ohm load only).