PSB Speakers Dual 8 Inch Passive In-Wall Subwoofer - CSIW SUB28
Model #:CSIW SUB28
$1,449.00 CAD / Each
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Dual 8″ in-Wall Subwoofer

The CSIW SUB28 is a premium in wall sealed cabinet subwoofer with dual 8” high performance drivers capable of delivering detailed low frequency performance. Equipped with heavy duty nylon dog-ears, and a magnetic small perforation grille, the CSIW SUB28 can be used in both new construction or retrofit applications. Versatile, and easy to deploy, the CSIW SUB28 is a cornerstone of hidden audio system design.

  • Dual 8″ Passive In-Wall Subwoofer
  • Polypropylene cone, rubber surround
  • Ideal match with CS 500W subwoofer amplifier
  • Designed for both new construction or retrofit applications
  • Sealed Cabinet Design
  • High strength doglegs for easy installation and removal
  • Magnetic, small perforation grille
  • Design and final voicing engineered by Paul Barton
  • Ideal match with CS 500W subwoofer amplifier
  • Height : 25 3/8″ – Width: 13 1/2“ – Depth: 3 3/4“
Sound Pressure Level
Maximum @ 100HzTBD
Anechoic Chamber87dB
Listening Room89dB
Nominal4 Ohms
Acoustic Design
Woofer (Nominal)2 x 8″ (100mm), Carbon Fibre Cone, Rubber Surround, Steel Basket
Grille FaceMetal
Dimensions / Weights / Finish
DimensionsNet W – 13 1/2″* (343mm), Net H – 25 3/8” * (625mm), Net D – 3 3/4” * (95mm)
Shipping DimensionsNet W – 18 1/2″* (470mm), Net H – 31 4/5” * (808mm), Net D – 12 1/5” * (310mm)
Volume0.3 ft³
WeightNet – 26lb (12kg), Shipping – 32.6 lb (14.8 kg)
FinishWhite Paintable Grille

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