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SD215A-88 8" DVC Subwoofer 4 Ohm

Quick Overview

The Dayton Audio SD215A-88 8" subwoofer speaker is one of the best bang-for-the-buck low frequency drivers available today.

Product Highlights

  • Works equally well in sealed or vented enclosures
  • Attractive gasket-less design
  • Long-life rubber surround for years of reliable service
  • Excellent bottom octave performance

Product Manuals / Spec Sheets / Downloads

Dayton Audio SD215A-88 Specification Sheet
Dayton Audio SD215A-88 Data Files

Dayton Audio DVC Series woofers were designed to offer the maximum performance-per-dollar. The speakers feature poly coated paper cones, wide rubber surrounds, large voice coils, vented pole pieces, and bumped back plates. Their healthy Xmax, long-throw construction, and dual voice coils make them perfect for any economical yet high-performing subwoofer speaker system.


Sealed Volume 0.33 ft.³
Sealed F3 68 Hz
Vented Volume 0.95 ft.³
Vented F3 38 Hz
* Enclosure volume/F3s based on BassBox "optimum" calculations

Speaker Series DVC Series
Model Number SD215A-88
List Price $38.99
Color Black
Unit of Measure Each
UPC 844632088698
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 4.7
Speaker Type Subwoofer
Nominal Diameter 8"
Power Handling (RMS) 80 watts
Power Handling (max) 160 watts
Continuous Program Power --
Impedance 8+8 ohms
Sensitivity 85.9 dB @ 1W/1m
Frequency Response

31 - 2

500 Hz

Voice Coil Diameter 38.5 mm
Magnet Weight --
DC Resistance (Re) 3.20 ohms
Voice Coil Inductance (Le) 1.16 mH
Resonant Frequency (Fs) 31.0 Hz
Mechanical Q (Qms) 3.1
Electromagnetic Q (Qes) 0.45
Total Q (Qts) 0.39
Diaphragm Mass Inc. Airload (Mms) 42.40 g
Moving Mass Of Diaphragm (Mmd) --
Mechanical Compliance of Suspension (Cms) 0.62 mm/N
Surface Area Of Cone (Sd) 208.7 cm²
Volume of Displacement (Vd) 125.2 cm³
BL Product (BL) 7.70 Tm
Compliance Equivalent Volume (Vas) 38.2 liters
Maximum Linear Excursion (Xmax) 6.0 mm
Drivers Mechanical Losses (Rms) --
Cone / Diaphragm Material Coated Paper
Entry / Exit Diameter --
Surround Material Rubber
Voice Coil Wire Material Copper
Voice Coil Former Aluminum
Basket/Frame Material Steel
Magnet Material Ferrite
Overall Outside Diameter 216 mm
Overall Depth 95 mm
Baffle Cutout Diameter 180 mm
# Mounting Holes 5
Mounting Hole Diameter --
Bolt Circle Diameter --
Product Weight --