Manufacturer of the finest loudspeaker drivers, woofers, and subwoofers!
Your ALT-Text here Your ALT-Text here

Product Page
Pro Box Enclosures
Clearance Corner
About Us
Talk and Tips
Warranty
You Asked
Contact
Dealer Inquiry
Safe Shopping

Online Store
Product List
View Cart
Checkout

  • Factory Hours: Monday thru Thursday 7:00 A.M. - 5:30 P.M.

  • Shipping Hours: Monday thru Thursday 7:00 A.M. - 5:30 P.M.

  • Call Toll Free: 1-866-210-8731

  • OEM speaker manufacturing.

  • Dealer Inquiries welcome.

  • Shop online anytime

 

 
Your ALT-Text here Your ALT-Text here Your ALT-Text here
Your ALT-Text here Your ALT-Text here
Your ALT-Text here Your ALT-Text here

All of our subs are built with American made coils!

 

Look for this symbol M to designate great Super Bass enclosures and subwoofers that work great in the ProBox Super Bass!

 

Sealed box size range 2.00 - 5.5 cu. ft. Ported box size range: 3.0 - 10.0 cu. ft.

M1000 watts max in recommended boxes. 500 watts continuous RMS in recommended boxes. Credence Speakers 2 1/2" dual 2 + 2 and 4 + 4 ohm heavy duty voice coil, square, inner lead subwoofer. Fully packed with all the most wanted features! Stitched Santoprene surround, heavy talc filled copolymer cone body, laminated spider neck, 120 oz magnet, large 283 oz. magnet structure, Kapton voice coil former, bond-coated hi-temp copper wire, rear vented motor structure, and Credence patented Inner Lead System.

 

Available in 2 ohm or 4 ohm

 

SQ15ILD2 and SQ15ILD4

  11 Inch square inner lead subwoofer

 

Your ALT-Text here Your ALT-Text here Your ALT-Text here  Physical Specs  Your ALT-Text here Your ALT-Text here Your ALT-Text here
Your ALT-Text here Your ALT-Text here Your ALT-Text here Your ALT-Text here
Your ALT-Text here Your ALT-Text here Your ALT-Text here Your ALT-Text here

 

Basket Material 1.5 mm Steel
Basket Finish Black Crinkle Powder
Magnet Weight 120 oz.
Magnet Material Strontium Ferrite
Magnet Structure Weight 17.7 lbs
Cone Body Material Talc Filled Copolymer
Cone Edge Material Black Santoprene Rubber
Cone Edge Stitched Yes
Voice Coil Diameter 2 1/2 "
Voice Coil Wire Type 4 Layer round
Voice Coil Former Kapton
Extended Pole Yes
Vented Pole Yes
Lead Configuration Patented ILS
Compression Terminals No (Heavy gauge lead-outs for direct connection)
Primary Box Type Sealed or Vented
Dust cap Style Dome Up
Dual Voice Coil Yes

   Top of page

Your ALT-Text here Your ALT-Text here Your ALT-Text here Technical Specs - Thiele-Small parameters Your ALT-Text here Your ALT-Text here Your ALT-Text here
Your ALT-Text here Your ALT-Text here Your ALT-Text here Your ALT-Text here
Your ALT-Text here Your ALT-Text here Your ALT-Text here Your ALT-Text here
 
  SQ15D2 SQ15D4
Power Rating RMS Cont. 500 Watts 500 Watts
Max Power Rating-Unclipped Amp 1000 Watts 1000 Watts
Freq Response 15*-100 Hz Coming Soon
Nominal Imp 2 + 2 Ohms 4 + 4 Ohms
Voice Coil 2 1/2"  4 layer 2 1/2" 4 layer
FS 21.73 Hz Coming Soon
Qms 6.667 Coming Soon
Qes 0.5260 Coming Soon
Qts 0.4875 Coming Soon
Vas 207.37 Liters Coming Soon
Cms 1.459E-04 M/N Coming Soon
Re 3.95 Ohms 7.4 Ohms
BL 19.42 Newtons/Amp Coming Soon
Sd 0.100603 Sq. M Coming Soon
Mms 0.37721 kg Coming Soon
Hvc 1.6" 1.6"
Hag 0.5" 0.5"
Xmax 0.55" 0.55"
Xlin 1.10" 1.10"
Ref Eff 0.3888% Coming Soon
Predicted Output 89.096 DB/1W/1M Coming Soon

* 1000 watts max. in recommended box = 2.0 - 5.5 cu. ft. sealed box or 3.0 - 10.0 cu. ft. ported. 500 watts continuous RMS in recommended boxes. Response can go as low as 10 Hz, in car, in some boxes, with reduced max. output.

Recommended = Pro Box 115SPB Super Bass box, with steep 28Hz high pass filter.

** At reduced max. power in ported home theater boxes 10 - 12 cu. ft. 17-100 Hz in most car audio applications.


Above parameters are with coils in series.

Top of page

Your ALT-Text here Your ALT-Text here Your ALT-Text here Drawings and Dimensions Your ALT-Text here Your ALT-Text here Your ALT-Text here
Your ALT-Text here Your ALT-Text here Your ALT-Text here Your ALT-Text here
Your ALT-Text here Your ALT-Text here Your ALT-Text here Your ALT-Text here

Drawings

A 0.400"
B 3.90"
C 5.350"
D 8.025"
E 6.490"
F 13.75"
G 15.40"
   
M 14.80" Sq
N 0.202"
O 0.325"
   
R 1.015"
S 0.700"
T 2.15"
   
U  
V  
W  
   
X  
Y  

Price and buying information in the "Speaker Store"

Back to Product Page • Back to Home Page

Top of page
Your ALT-Text here Your ALT-Text here Your ALT-Text here Your ALT-Text here
Your ALT-Text here Your ALT-Text here

Last updated:

Credence Speakers, Inc. © 2008