Description
Estimated Ship-Out Date: 12/15
The DOWN4SOUND DBz-10 D4 is built for car audio enthusiasts seeking massive bass, rugged performance, and unbeatable value. Delivering a true 1300W RMS, this subwoofer produces strong, punchy bass without demanding a premium budget. With a dual 4-ohm voice coil configuration, the DBz-10 D4 offers wiring flexibility for a wide variety of amplifier setups. Its real carbon fiber dustcap adds a sleek aesthetic while improving rigidity and long-term durability.
Built to perform in both compact and mid-sized enclosures, the DBz-10 D4 delivers serious output for daily drivers, demo setups, and cost-effective high-performance builds.
Key Features
- 1300W RMS power handling
- Dual 4-ohm voice coil design
- 2.75-inch high-temperature voice coil
- 28 mm one-way Xmax for extreme linear excursion
- Real carbon fiber dustcap for strength, rigidity, and premium appearance
- Advanced venting throughout the motor structure for improved cooling
- Heavy-duty build engineered for long-term high-output use
Technical Specifications (T/S Parameters)
- Revc (DC Resistance): 6.050 ohm
- Resonance Frequency (Fs): 40.803 Hz
- Qms: 2.360
- Qes: 0.510
- Qts: 0.420
- Mms (Moving Mass): 331.124 g
- Cms (Compliance): 45.948 μm/N
- Rms: 0.795
- Vas: 8.600 L
- Sd: 56.305 cm²
- BL Product: 31.746 T·m
- Sensitivity (SPL): 82.5 dB
- Xmax: 28 mm (one-way, mechanical)
- Displacement: 0.09 cu ft
Engineering and Construction
- High-efficiency motor system engineered for aggressive output
- Rear gap and pole venting for improved cooling and reduced thermal compression
- Reinforced suspension designed for reliable high-excursion performance
- Precision-wound 2.75" voice coil built for thermal strength
- Premium carbon fiber dustcap improves rigidity and reduces cone flex
- Built to maximize output while maintaining long-term durability
Recommended Enclosures
Sealed Enclosure:
- 0.5 cubic foot (net)
Ported Enclosure:
- 1.0 cubic foot (net)
- Recommended Tuning: 32 Hz
This enclosure range gives the DBz-10 D4 excellent balance between low-end extension and punchy upper bass for daily listening.
Physical Dimensions
- Cutout Diameter: 9.45 in (240 mm)
- Mounting Depth: 7.36 in (187 mm)
- Outside Diameter: 10.79 in (274 mm)
- Motor Diameter: 7.48 in (190 mm)
- Net Weight: 31.7 lb (14.4 kg)
- Gross Weight: 35.3 lb (16.0 kg)
Why You Should Buy the DBz-10 D4
- Delivers true 1300W RMS performance suitable for demanding systems
- Compact footprint with impressive output capability
- Dual 4-ohm coils provide wiring flexibility across common amplifier setups
- Carbon fiber dustcap enhances both appearance and structural rigidity
- Perfect blend of affordability, durability, and daily-driving performance
Ideal Applications
- Daily-driven builds needing high output without large enclosure requirements
- Systems tuned in the 28–35 Hz range, where the DBz-10 D4 produces deep, rolling lows enhanced by real cabin gain
- Ported or sealed enclosures in sedans, SUVs, hatchbacks, and trucks
- SQL-style daily setups seeking a balance of low-end authority and punch
- Users wanting responsive, aggressive bass performance at a budget-friendly price
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: |
10 |
Product Type: |
Subwoofer |
Subwoofer Type: |
DUAL VOICE COIL |
2 Reviews
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10” DBZ dual 4 ohm subwoofer
A Very affordable heavy duty well made subwoofer that looks great and handles alot of power.
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D4s Dbz subs
These subs look so good l had to comment!! Here goes: I am going to try these out in my civic first to see how they do. If these hold up like I know the amps do these are going to be the secret weapon no one saw coming PERIOD!!!!!! DOWN4SOUND BREAKIN GROUND!!!! LOL