SA-Classic Series 6.5" Subwoofer
Notice On Packaging For Subwoofers
Sundown Audio has led the industry in quality and performance for over a decade. To improve accuracy and transparency, we have updated our subwoofer power ratings to reflect true real-world performance.
During this transition, some packaging may show previous ratings. Performance fully aligns with our current published specifications. If you have any questions about authenticity or ratings, please contact directly for confirmation.
- 300 Watts RMS/ 600 Watts Peak
- Dual 2 or 4 ohm voice coils
- Large aluminum Faraday ring for smooth acoustic response
- High-temperature voice coil wire
- Spring-loaded terminals
- Integrated vent channels for enhanced cooling
- Perfect for under/behind seat sub enclosures
Specifications
| RE (Ohms) | 4.0 | 7.1 |
| FS (Hz) | 48.9 | 51.8 |
| VAS (L) | 4.1 | 3.6 |
| Qes | 0.50 | 0.54 |
| Qms | 4.82 | 4.65 |
| Qts | 0.46 | 0.49 |
| Le (mH) | 1.69 | 2.45 |
| BL (NA) | 13.5 | 17.9 |
| Mms (Grams) | 74.8 | 75.6 |
| Cms (uM/N) | .14 | .12 |
| Sens (dB @ 1w/1m) | 81.6 | 81.5 |
| Xmax | 10mm | 10mm |
| T/S SPECS | SA 6.5 D2 | SA 6.5 D4 |
|---|
Enclosure Specifications
| Sealed Enclosure | 0.15 cu ft |
| Ported Enclosure | 0.3 cu ft |
| Recommended Tuning | 40Hz |
| Recommended Port Area | 4 sq in |
| Displacement | |
| Depth | 3.79" |
| Outside Diameter | 7.16″ |
| Cut-Out | 5.93″ |
| Physical Dimensions | Download |
Specifications
| T/S Specs | |
|---|---|
RMS Power (D4) |
|
RMS Power (D2) |
|
Peak Power (D2) |
|
Peak Power (D4) |
|
RE D2 (Ohms) |
|
RE D4 (Ohms) |
|
FS D2 (Hz) |
|
FS D4 (Hz) |
|
VAS D2 (L) |
|
VAS D4 (L) |
|
Qes D2 |
|
Qes D4 |
|
Qms D2 |
|
Qms D4 |
|
Qts D2 |
|
Qts D4 |
|
Le D2 (mH) |
|
Le D4 (mH) |
|
BL D2 (NA) |
|
BL D4 (NA) |
|
Mms D2 (Grams) |
|
Mms D4 (Grams) |
|
Cms D2 (uM/N) |
|
Cms D4 (uM/N) |
|
Sens D2 (dB @ 1w/1m) |
|
Sens D4 (dB @ 1w/1m) |
|
Xmax D2 |
|
Xmax D4 |
|
| Subwoofer Measurements | |
Documentation |
|
Displacement (Inches) |
|
Depth (Inches) |
|
Cutout (Inches) |
|
Motor Diameter (Inches) |
|
| Ported Enclosure Specs | |
Ported Enclosure Size |
|
Recommended Port Area |
|
Recommended Port Tuning |
|
| Sealed Enclosure Specs | |
Sealed Enclosure Size |
|
| 4th Order Enclosure Specs | |
4th Order Sealed Side |
|
4th Order Ported Side |
|
4th Order Port Area |
|
4th Order Port Length |
|
Find Your Local Dealer
Get your product quicker from on of our Authorized Dealers. Click here to find yur local dealer.
Our authorized dealers are trained experts and offer customer service when you need it the most. Beware of purchasing from unauthorized dealers. Purchasing From Unauthorized Sellers Will Void Your Warranty
Complete Your System