JBL PD5122 Extension 100196703 Holds 2 speaker subwoofer poles

Holds 2 speaker subwoofer poles

mono/stereo select

Six models are available

The D4 really puts that extra "oomph" in your kick drum

Stereo Chorus)

JBL PD5122 Extension 100196703 Holds 2 speaker subwoofer polesJBL PD5122 Dual 12 inch Low Frequency Extension Unit The PD5122 is intended for use as a flown or ground supported, high power low frequency module used in conjunction with mid high only or full range systems of the PD5000 series. Features: Dual high power 300 mm (12 in) low frequency drivers. Designed to extend LF pattern control of PD6322 systems. Slot loaded configuration duplicates LF performance of PD6322. Specifications: Frequency Range: 41 Hz