The Emerald Tablet: Alchemy of Personal Transformation (Compass)

12000W low rpm permanent magnet generator, 3 Phase Gearless Permanent Magnet Generator 12V 24V 48V 120V 220V AC Alternator Water Wind Turbine Generator With Rectifier,12V

Pyle 8'' Dual Bass Subwoofer Box System - 400-Watt Slim Mount Truck Audio Subwoofer Box - Rear Vented Design with Built-in Illuminating LED Lights, 2x400 Watts Max Power - PLBA82LE,Black

Dayton Audio Epique E150HE-PR 5-1/2" Carbon Fiber Cone Passive Radiator

JBL Professional GSB8GN Waterproof, 8" In-Ground, Landscape, Outdoor, Garden, Omnidirectional Subwoofer, Green, 1 Speaker

JBL Club 122-12” Subwoofer, 400Wrms, 1200W Peak, Sensitivity (@ 2.83V): 89dB, Frequency Response: 25Hz – 500Hz, Nominal Impedance: 4ohm

Black Diamond DIA-T15.4D 15" Car Audio Subwoofer 4-Ohm Dvc 2000 Watts (1 Speaker)

Skar Audio AR2X12V Dual 12" Universal Fit Armor Coated Ported Subwoofer Box with Kerf Port

EARTHQUAKE Sound SUB6 Passive in-Wall/in-Ceiling 6.5" Subwoofer