Down4Sound
DOWN4SOUND DBz 15" SUBWOOFER - 4 OHM DVC | 1300W RMS
- SKU:
- DBz15D4
Description
The DOWN4SOUND DBz-15 D4 is built for listeners who want massive bass output, rugged construction, and unbeatable value. With a true 1300W RMS rating, this 15-inch subwoofer is designed to deliver aggressive low-frequency performance in daily-driven systems and high-output builds. Featuring a dual 4-ohm voice coil configuration and a real carbon fiber dustcap, the DBz-15 D4 offers strong durability, versatile wiring options, and powerful bass response.
Key Features
- 1300W RMS power handling
- Dual 4-ohm voice coil design
- 2.75-inch high-temperature voice coil
- 30 mm one-way Xmax
- Real carbon fiber dustcap
- Advanced motor venting for improved cooling
- Heavy-duty motor structure
Technical Specifications (T/S Parameters)
- Revc (DC Resistance): 6.050 ohm
- Resonance Frequency (Fs): 39.561 Hz
- Qms: 2.826
- Qes: 0.714
- Qts: 0.570
- Mms (Moving Mass): 435.722 g
- Cms (Compliance): 37.445 μm/N
- Rms: 0.774
- Vas: 40.977 L
- Sd: 88.141 cm²
- BL Product: 30.322 T·m
- Sensitivity (SPL): 87.4 dB
- Xmax: 30 mm
- Displacement: 0.19 cu ft
Engineering and Construction
- Extended pole piece for linear excursion
- Rear gap and pole venting for improved airflow and cooling
- Long-fiber spider system for suspension control
- Precision-wound 2.75-inch coil for high thermal capacity
- Premium carbon fiber dustcap for added rigidity
Recommended Enclosure
- Sealed: 2.0 cubic feet
- Ported: 3.0 cubic feet
- Recommended Tuning: 32 Hz
Physical Dimensions
- Cutout Diameter: 13.86 in (352 mm)
- Mounting Depth: 8.43 in (214 mm)
- Outside Diameter: 15.59 in (396 mm)
- Motor Diameter: 13.74 in (349 mm)
- Net Weight: 34 lb
- Gross Weight: 37.9 lb
Why You Should Buy
- Strong 1300W RMS performance
- Deep, powerful low-frequency output
- Dual 4-ohm coils for flexible wiring
- Durable construction capable of handling high SPL
- Carbon fiber dustcap for strength and visual appeal
Ideal Applications
- Daily-driven systems needing deep, powerful bass
- Ported or sealed enclosures in SUVs, sedans, hatchbacks, and trucks
- Systems tuned in the 28–35 Hz range for fuller low-end performance
- SQL-style daily setups requiring both punch and depth
- Users seeking high-value performance without sacrificing output
Warranty Information
Warranty Information
Your new Down4Sound product is covered by 1 limited warranty if purchased from Down4Sound or an authorized Down4Sound dealer. This warranty does not cover improper installation, accidental damage, misuse, abuse, improper wiring, operation of unit outside of listed specifications, or any product that has been modified or repaired by anyone other than Down4Sound. Your warranty covers defects in materials and/or workmanship ONLY and is not an insurance policy. The warranty only covers the original owner of the amplifier.
All warranty returns must be accompanied by the original sales invoice or receipt. You must contact us to request an RMA number prior to sending any returns via the RMA request form on our website. You are responsible for the cost of shipping your product back to us for warranty examination. If your product is covered under warranty, shipping back to you will be at no charge to you – if your product is replaced/repaired outside of warranty you must pay for return shipping and repair bill prior to the return of the product or if no defect is found you are required to pay for return shipping only.
At the sole discretion of Down4Sound your product will be either repaired or replaced when it is being covered under warranty. In the event of shipping damage due to improper packaging on products being returned to Down4Sound the customer is liable for the cost of all damages, necessary repairs, or replacement. Be sure to properly pack your return!
* Extended additional warranty purchased on amplifiers take effect from the date of purchase and must also be stated on original sales invoice or receipt.
Refund/Return Policy: https://www.down4soundshop.com/shipping-returns/
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Additional Information
Model: |
DBz |
Ohm: |
4 |
Subwoofer Size: |
15 |
Product Type: |
Subwoofer |
Subwoofer Type: |
DUAL VOICE COIL |
1 Review
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Budget bangers!!!!
I had 6 jl W0s and swapped direct for 6 of these bad boys, even on a single JP33 these things are absolute animals!!!!! Sound quality is in paradise with the jls!!!!
