JBL HDI 1200P 1000W Powered Subwoofer Black Gloss Display Model colour-oak This semi-symmetrical cable has shielding

This semi-symmetrical cable has shielding connected only at one end

The Hegel H400 amplifier

If you’re not sure which end is running to which

Maximum input signal at 1kHz

JBL HDI 1200P 1000W Powered Subwoofer Black Gloss Display Model colour-oak This semi-symmetrical cable has shieldingJBL HDI 1200P 1000W Powered Subwoofer Black Gloss Display Model BY COLLECTION ONLY 12 inch (300mm) 1000W Powered Subwoofer Designed and engineered in JBLs world famous acoustic engineering facility in Northridge, California, the HDI 1200P is the foundation of a complete HDI Series surround system. This powered subwoofer features a 12 inch (300mm) Poly plasTM cone woofer driven by a 1,000 Watt amplifier for powerful dynamics and incredibly accurate