PSB CSIW SUB28 Dual 8 Inch In-wall Subwoofer Category--Mono Amplifiers Air as a dielectric reduces

Air as a dielectric reduces the Capacity to a minimum

metal cone woofers

not a close approximation

The result is a 10x harder surface than the body of Eminent EX

PSB CSIW SUB28 Dual 8 Inch In-wall Subwoofer Category--Mono Amplifiers Air as a dielectric reducesCSIW SUB28 Dual 8 In Wall Subwoofer Maximum impact, minimal footprint The CSIW SUB28 by PSB is an in wall subwoofer that pairs with the CS 500W to redefine bass delivery in your home theatre. Dual 8 high performance drivers and a sealed cabinet design produce deep, detailed sound without occupying floor space. Experience cinematic sound with zero footprint. Designed for detailed performance Achieve audiophile grade sound with the CSIW SUB28. Boasting