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Coustic C154 15" Subwoofer

Brand:|Model: C154|Part # 267-938

Nothing moves air like a 15" subwoofer, and the Coustic C154 combines its large cone area with high excursion capabilities to produce massive bass output!
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Part # 267-938
  • Single 4 ohm voice coil on a 1.75" aluminum former
  • Black anodized 60 oz. motor structure provides power handling and control
  • Treated foam surround and conex spider suspension for linearity and reliability
  • Rugged construction includes a durable pressed steel basket and heavy gauge tinsel leads
  • 20 mm long copper voice coil for clean, high impact bass

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Product Details

Coustic C154 15" Subwoofer

Coustic subwoofers are designed to deliver high performance power at an unbeatable price. Their polypropylene cone's excellent stiffness to weight ratio allows for high efficiency and high SPL. A large foam surround increases efficiency by further reducing weight. Available in three sizes, 10", 12" and 15", the all new Coustic subwoofer speakers offer an extreme-value solution for any enthusiast!

Product Specifications
  • Nominal Diameter15"
  • Power Handling (RMS)250 Watts
  • Power Handling (max)500 Watts
  • Impedance4 ohms
  • Frequency Response30 to 800 Hz
  • Sensitivity94.4 dB 2.83V/1m
  • Voice Coil Diameter1.75"
Thiele-Small Parameters
  • Resonant Frequency (Fs)32.3 Hz
  • DC Resistance (Re)3.23 ohms
  • Mechanical Q (Qms)8.38
  • Electromagnetic Q (Qes)0.91
  • Total Q (Qts)0.82
  • Compliance Equivalent Volume (Vas)6.58 ft.³
  • Maximum Linear Excursion (Xmax)8.5 mm
Materials of Construction
  • Cone MaterialPoly
  • Surround MaterialFoam
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerAluminum
  • Basket / Frame MaterialSteel
Mounting Information
  • Overall Outside Diameter5.19"
  • Baffle Cutout Diameter13.88"
  • Depth6.44"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume12.93 ft.³
  • Sealed F334 Hz
Coustic C154 15" Subwoofer
  • BrandCoustic
  • ModelC154
  • Part Number267-938
  • UPC715442740475
  • Product CategoryCar Subwoofer Speakers
  • Unit of MeasureEA
  • Weight10.95 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Coustic C154 15" Subwoofer

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Part # 267-938
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