I have 2 RE audio SR10 D2 subs in a .75 cubic foot + alittle polyfill per side ported box forsale. These are dual 2ohm subs together running at 2 ohms. $275
sub specs: http://reaudio.com/specs.html#sp_sr
* Kraft Pulp Cone
* Rubatek Foam Surround
* Pressed Steel Basket
* 4-layer Copper Voice Coil• FEA Optimized Motor Structure
* Double Stack Magnets
* Linear Spiders
* Foam Gasket
* Mounting Depth - 5.25"
* Mounting Hole Diameter - 9.25"
* Overall Diameter - 10.25"
* Bolt Hole Circle - 9.625"
* Motor Width - 6.25"
* Motor Depth - 2.5"
* Basket Depth - 2.75"
* Displacement - 0.12 cu. ft.
* Weight - 14.5 lbs
* QES: 0.39
* QMS: 5.5
* QTS: .36
* Free air Resonance - FS - 25.3 HZ
* VAS: 31 Liters
* XMAX: 18 MM
* SPL @ 1W / 1M: 85.3 dB SPL
* Effective piston area: Sd: 310 cm ^2
* Dc Resistance: RE: 1.8 ohm
* Nominal Impedance: Dual 4 Ohm
* 300w RMS Rated
* 600 watts max
* Force Factor, BI: 14.35
sub specs: http://reaudio.com/specs.html#sp_sr
* Kraft Pulp Cone
* Rubatek Foam Surround
* Pressed Steel Basket
* 4-layer Copper Voice Coil• FEA Optimized Motor Structure
* Double Stack Magnets
* Linear Spiders
* Foam Gasket
* Mounting Depth - 5.25"
* Mounting Hole Diameter - 9.25"
* Overall Diameter - 10.25"
* Bolt Hole Circle - 9.625"
* Motor Width - 6.25"
* Motor Depth - 2.5"
* Basket Depth - 2.75"
* Displacement - 0.12 cu. ft.
* Weight - 14.5 lbs
* QES: 0.39
* QMS: 5.5
* QTS: .36
* Free air Resonance - FS - 25.3 HZ
* VAS: 31 Liters
* XMAX: 18 MM
* SPL @ 1W / 1M: 85.3 dB SPL
* Effective piston area: Sd: 310 cm ^2
* Dc Resistance: RE: 1.8 ohm
* Nominal Impedance: Dual 4 Ohm
* 300w RMS Rated
* 600 watts max
* Force Factor, BI: 14.35