Down4Sound
DOWN4SOUND DBz 8" SUBWOOFER - 2 OHM DVC | 700W RMS
- SKU:
- DBz8D2
Description
The DOWN4SOUND DBz-8 D2 is engineered for listeners who want powerful, precise, and affordable low-frequency performance in a compact footprint. Featuring a high-efficiency motor design, extended mechanical throw, and a real carbon fiber dustcap, the DBz-8 delivers impressive output and accuracy suitable for daily driving, compact installs, and value-focused high-performance systems.
This model provides a true 700W RMS power rating and a dual 2-ohm voice coil configuration for flexible amplifier matching and wiring options. Every component is built for durability, cooling efficiency, and long-term reliability under demanding playback conditions.
Key Features
- 700W RMS power handling
- Dual 2-ohm voice coil design
- 2.5-inch high-temperature voice coil
- 21 mm one-way Xmax for strong linear excursion
- Real carbon fiber dustcap for added strength and rigidity
- Advanced venting throughout the motor structure for improved cooling
- Heavy-duty construction designed for high output in compact boxes
Technical Specifications (T/S Parameters)
Laboratory-verified values for WinISD, enclosure modeling, and professional system design.
- Revc (DC Resistance): 4.000 ohm
- Resonance Frequency (Fs): 44.954 Hz
- Qms: 2.440
- Qes: 0.568
- Qts: 0.461
- Mms (Moving Mass): 179.966 g
- Cms (Compliance): 69.651 μm/N
- Rms (Mechanical Resistance): 0.757
- Vas: 3.988 L
- Sd: 200.105 cm²
- BL Product: 18.923 T·m
- Sensitivity (SPL): 79.9 dB
- Xmax: 21 mm (one-way, mechanical)
- Displacement: 0.13 cu ft
Engineering and Construction
- Optimized compact motor for high efficiency and strong output
- Rear gap ventilation for reduced coil temperatures during extended play
- Reinforced suspension for reliable high-excursion performance
- Precision-wound 2.5" coil for thermal stability
- Carbon fiber dustcap enhances rigidity and prevents deformation
- Built to deliver maximum output at an affordable cost
Recommended Enclosures
Sealed Enclosure:
-
0.3 – 0.4 cubic feet (net)
Ported Enclosure:
- 0.75 – 1.0 cubic feet (net)
- Recommended Tuning: 32 Hz
- Recommended Port Area: 12 – 16 sq in
Physical Dimensions
- Cutout Diameter: 7.32 in (186 mm)
- Mounting Depth: 6.61 in (168 mm)
- Outside Diameter: 8.71 in (221 mm)
- Motor Diameter: 7.32 in (186 mm)
- Net Weight: 23.6 lb (10.7 kg)
- Gross Weight: 26.9 lb (12.2 kg)
Why You Should Buy the DBz-8 D2
- Strong, clean output at an affordable price
- Compact footprint with surprising low-end authority
- Dual 2-ohm coils provide flexible wiring options
- Carbon fiber dustcap adds strength and premium appeal
- Designed for users who want big performance without overspending
Ideal Applications
-
Daily-driven builds needing big bass in limited space
- Systems tuned in the 28–35 Hz range, where the DBz-8 delivers deep, rolling lows amplified by real vehicle cabin gain
- Compact ported boxes, under-seat enclosures, hatchbacks, and small SUV installs
- SQL-style daily systems with strong punch and usable low-end extension
- Users wanting responsive, hard-hitting bass that blends depth with aggression
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: |
2 |
Subwoofer Size: |
8 |
Product Type: |
Subwoofer |
Subwoofer Type: |
DUAL VOICE COIL |
3 Reviews
-
Dbz 8 subs
Finally got these subs in a box and hooked up!! I have 4 of them underneath my back seat of my crew cab GMC pickup. I got to say these dudes are kick A! I have them wired to 1 ohm being powered by the JP23v2. Which is just right. I have had the Skar EVL8 but, in my personal opinion the DBZ8 is better for my application!!!
-
Best product
As a dealer for all Down4sound products I will say hands down it is the best product that I have bought and install inside of my customers vehicles
-
Dbz 8
Love the sub it's sound way more expensive than what it cost.
