Description
Experience compact yet powerful bass performance with the DOWN4SOUND SB-8 Subwoofer, designed for car audio enthusiasts who demand clean and impactful sound in a smaller footprint. Featuring a dual 4-ohm voice coil configuration and true 500W RMS power handling, this 8-inch subwoofer is ideal for tight installations and high-performance daily systems. A refined suspension system and durable motor assembly ensure reliable, accurate bass and long-term performance.
Key Features
- 500W RMS power handling
- Dual 4-ohm voice coil configuration
- 2.5-inch high-temperature voice coil
- 21 mm one-way Xmax
- Highly optimized suspension
- Compact design ideal for tight installations
Technical Specifications (T/S Parameters)
- Revc (DC Resistance): 5.800 ohm
- Resonance Frequency (Fs): 39.620 Hz
- Qms: 3.118
- Qes: 0.657
- Qts: 0.543
- Mms (Moving Mass): 133.659 g
- Cms (Compliance): 120.732 μm/N
- Rms: 0.773
- Vas: 9.330 L
- Sd: 210.106 cm²
- BL Product: 17.140 T·m
- Sensitivity (SPL): 80.0 dB
- Xmax: 21 mm
- Displacement: 0.07 cu ft
Engineering and Construction
- Optimized suspension for accurate low-frequency reproduction
- Vented motor for improved heat dissipation
- Precision-wound 2.5-inch voice coil
- Durable cone and surround assembly
- Compact motor optimized for tight-space performance
Recommended Enclosures
- Ported: 0.65 cu ft (net)
- Port Area: 9 sq in
- Tuning: 35 Hz
- Sealed: Not recommended
Physical Dimensions
- Cutout Diameter: 7.09 in (180 mm)
- Outside Diameter: 8.50 in (216 mm)
- Mounting Depth: 4.98 in (126.5 mm)
- Motor Height: 2.36 in (60 mm)
- Net Weight: 30 lb
- Gross Weight: 33.1 lb
Why You Should Buy
- Compact powerhouse delivering solid, clean bass
- Durable design built for long-term performance
- Dual 4-ohm coils offer flexible wiring options
- Accurate and controlled sound reproduction
Ideal Applications
- Tight-space installations in cars, trucks, and SUVs
- Ported designs needing strong output and accuracy
- Daily-driven systems seeking clean, punchy bass
- Users wanting high performance from a compact 8-inch sub
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: |
SB |
Ohm: |
4 |
Subwoofer Size: |
8 |
Product Type: |
Subwoofer |
Subwoofer Type: |
DUAL VOICE COIL |
1 Review
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SB8-D2
This thing is a little monster and you are not gonna find a equivalent sub anywhere at this price and probably the biggest value yet....other than Black Friday when I got a JP23v2 for $230. Couple things I'd like to see is the X-max labeled in the specs and I noticed all the weights are off. Almost seems like on each size the weight is for 2 subs. Regardless the fact you can get a 16lb 8" for under a Ben is pretty awesome!
