Reserve Series 12″ Dual 2-ohm Subwoofer

Max Power (watts) 1,800
RMS Power (watts) 900
Efficiency (1w/1m) 83.50
Voice Coil Configuration 3″ DVC 2Ω



In recent years, our subwoofers have evolved to meet various performance and placement goals, keeping your, the Soundstream fanatic, suggestions in mind. New for 2020, we introduce Reserve subwoofers, available exclusively to our Exclusive Soundstream Reserve dealers. Premium materials & performance characteristics include over-saturated 12mm top plate and t-yoke, high-density poly-ether foam surround, & a massive 3” voice coil. High-density Spruce pulp cone and double poly-cotton blend suspension hold everything together. These behemoths are not for the faint-hearted…

Reserve RSW.122 Features:

  • Overcompensating Motor Structure for Increased Magnetic Strength
  • 12mm T-Yoke & Top Plate Improve Low-Frequency Dynamics
  • Vented T-Yoke & Frame Reduces Voice Coil Heat Build-up
  • Non-Magnetic Non-Resonate Die-Cast Aluminum Frame
  • 3” 4-Layer Voice Coil w/ Direct Connect Wire Increases Power Handling
  • High-Temperature Tolerance Adhesives Resist Thermal Failure
  • Non-Transfer Spruce Pulp Cone w/ UV & Chemical Protection
  • Stitched and Glued Surround/Cone Joints for Strongest Bonding
  • Extended Excursion Poly-ether Foam Surround w/ UV & Chemical Protection
  • Dual Poly-Cotton Suspension Dampen Violent Accelerations
  • 1-pc Gasket/Trim Ring w/ Concealed Mounting Holes Included


MAX Power (watts) 1,800
RMS Power (watts) 900
Efficiency (1w/1m) 83.50dB
Voice Coil Configuration 3″ DVC 2Ω
Mounting Depth 6.25″
Optimum Sealed ft3 0.75
Optimum Ported ft3 1.25


RSW Subwoofer Owners Manual [PDF]