The X-8 v.4 is THE KING of standard cut-out size 8″ subwoofers and it sets the standard for others to follow.

It builds on the legacy of the v1, v2, and v3 models but definitively out-performs all previous generations. The secret sauce is largely in the painstakingly FEA optimized spider and surround. It’s hard to overstate the impact of proper suspension design on a subwoofer but anyone who has used the X-8 v.4 can attest that we’ve nailed it here.

Beyond the suspension – the X-8 v.4 is built on a newly revised version of our classic custom-tooled 8″ frame. It represents the absolute maximum performance possible on this frame platform. The motor and coil are capable of ~20mm of linear x-max one-way and around 2.4″ p-p before the coil leaves the gap (with a little beyond that before any physical bottom is reached).

As with most of our subs it also features an aluminum magnet ID shorting ring for reduced inductive distortion as well as a few other secret Sundown tricks for distortion reduction!”

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Don’t let the size fool you — the Z8 Series 8” subwoofer is built to perform well beyond expectations. With an incredible 2000 watts RMS and 4000 watts peak power handling, this compact beast is ready to drop low, hit hard, and take a beating — all while maintaining control and clarity. Designed for high-output systems with limited space, the Z8 offers the same elite-level engineering found in our larger Z Series drivers, packed into an 8-inch frame.

This sub is built around a black aluminum 2.75″ 4-layer round-winding voice coil with a massive 30mm Xmax, giving it incredible excursion and power handling for its size. Every component is engineered for airflow and cooling: from the optimized high-velocity pole vent to the cast-aluminum vented frame spacer ring and heavily vented magnetic gap. Add in stitched XL tinsel leads, a Mega-Roll v.2 surround, custom spider packs, and a large aluminum Faraday ring, and you’ve got a sub that’s made for real-world abuse and long-term performance.

Designed specifically for ported enclosures (sealed not recommended), the Z8 thrives in a 1.0 cu. ft. net enclosure tuned to 32Hz. Whether you’re building a powerhouse daily driver or squeezing competition-level performance into a tight space, the Z8 delivers big bass in a small footprint — no compromises.

Features

• Power Handling:2000 Watts RMS / 4000 Watts Peak
• Xmax = 30mm
• Heavily vented magnetic gap
• Spring Loaded Terminals
• Optimized high-velocity pole vent
• Innovative high-velocity cast-aluminum vented frame spacer ring
• Black aluminum 2.75 inch 4-layer round-winding voice coil sing our proprietary ultra-thick winding method
• Mega-Roll v.2 surround
• Custom tooled basket
• Large aluminum Faraday (shorting) Ring
• Stitched-On XL Tinsel Leads to prevent fatigue and failure
• Custom-tooled ultra-linear spider packs

Specifications

T/S SPECSZ8 D1Z8 D2

Enclosure Specifications

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RMS 500 watts
Dual 2 or 4 ohm voice coils
Vented magnetic gap with 16 chamfered vents
Large aluminum Faraday ring for smooth acoustic response
Patented high-strength cast aluminum frame
Low distortion motor construction
High-temperature voice coil wire
Spring-loaded terminals
Stitched-on “XL” tinsel lead wires
The pinnacle of low distortion ported box subwoofer technology, the SA 8-inch sub is completely custom tooled. It has a full 16mm of one-way linear excursion and mechanical capacity, exceeding double the linear limits, ensuring durability and low distortion. The v.3 update includes a new surround with linear geometry and improved thermal performance with the addition of 16 chamfered gap vents to keep high-velocity air flowing over the voice coil.
SA V.3 8″
RE (Ohms) 3.36 6.0
FS (Hz) 38.29 40.0
VAS (L) 6.88 7.17
Qes 0.324 0.392
Qms 6.31 4.31
Qts 0.309 0.36
Le (mH) 2.08 3.32
BL (NA) 18.94 22.06
Mms (Grams) 144 126.6
Cms (uM/N) 120 125
Sens (dB @ 1w/1m) 82.79 82.71
Xmax 16mm 16mm
T/S SPECS SAV3 8″ D2 SAV3 8″ D4
SA V.3 8″
Sealed Enclosure 0.3 cu ft
Ported Enclosure 0.65 cu ft
Recommended Tuning 35Hz
Recommended Port Area 9 sq in
Displacement 0.08 cu ft
Depth 6.625″
Outside Diameter 8.375″
Cut-Out 7.375″
Physical Dimensions Download

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Unleash the power of precise bass performance with the DOWN4SOUND SB 8” Subwoofer, crafted for car audio enthusiasts who value clean and impactful sound. Featuring a dual 2-ohm voice coil configuration and 500W RMS power handling, this subwoofer is optimized for versatile setups and exceptional sound quality in a compact package. Engineered for durability and long-lasting performance, the SB-8 D2 is the perfect choice for any car audio build.

QUICK NOTES:

• RMS Handling: 500W RMS
• Coil Size: 2.5 Inch
• Cutout Diameter: 7.20 inches / 183 mm
• Outer Diameter: 8.50 inches / 216 mm
• Mounting Depth: 4.98 inches / 126.5 mm
• Motor Height: 2.36 inches / 60 mm
• Net Weight: 30 lbs / 13.6 kg
• Gross Weight: 33.1 lbs / 15 kg
• Highly optimized suspension for accurate sound reproduction
• Compact design ideal for tight installations

Technical Specifications:

• Revc (DC Resistance): 3.8 Ohm
• Resonance Frequency (Fs): 37.05 Hz
• BL Product: 14.17 T·m
• Total Moving Mass (Mms): 125.0 g
• Suspension Compliance (Cms): 139.65 μm/N
• Effective Piston Area (Sd): 210.1 cm²
• Equivalent Volume (Vas): 9.016 L
• Sensitivity (SPL): 80.3 dB
• Qms (Mechanical Q): 3.098
• Qes (Electrical Q): 0.582
• Qts (Total Q): 0.490

Recommended Enclosures:

• Ported Enclosure Size: 0.65 cu ft (net)
• Port Area: 9 sq in
• Port Tuning: 35 Hz
• Sealed Enclosure: Not Recommended

The post DOWN4SOUND SB 8″ SUBWOOFER – DVC | 500W RMS appeared first on Car Audio Direct.

QUICK NOTES:

• RMS OUTPUT: 700W RMS
• COIL SIZE: 2.5 INCH
• CUTOUT: 7.36 inches (187 mm)
• MOUNTING DEPTH: 6.61 inches (168 mm)
• NET WEIGHT: 23.6 lbs (10.7 kg)
• GROSS WEIGHT: 26.9 lbs (12.2 kg)
• XMAX : 21 mm (one-way)

Precision Engineering: Engineered with an optimized motor strength (BL Product: 24.797 T·m) and an effective piston area (Sd) of 210.105 cm² for powerful sound output at an affordable price.

Technical Specifications:

• Revc (DC Resistance): 6.400 Ohm
• Resonance Frequency (Fo): 46.157 Hz
• Total Moving Mass (Mms): 202.138 g
• Suspension Compliance (Cms): 57.318 μm/N
• Equivalent Volume (Vas): 3.290 L
• Sensitivity (SPL): 79.2 dB
• Qms (Mechanical Q): 1.895
• Qes (Electrical Q): 0.618
• Qts (Total Q): 0.466
• Voice Coil Inductance (Le): Not specified
• Mechanical Resistance (Rms): 0.757
• Sealed Enclosure: .3 cubic foot
• Ported Enclosure: 1 cubic feet

The post DOWN4SOUND DBz 8″ SUBWOOFER – DVC | 700W RMS appeared first on Car Audio Direct.

• Want setup help? Go to KICKERU for a free woofer & amplifier configuration app!

*The Solo-Baric L7S 8-Inch Subwoofer works best with a sealed or ported enclosure and 450 watts of recommended power. See below for more details.

The post kicker-l7s-8inch-20cm-subwoofer-dual-voice-coil-cast-aluminum-basket-2-ohm-or-4-ohm-dual-2-ohm appeared first on Car Audio Direct.

500 watts RMS

Dual 2″ voice coils, dual 4 Ohm

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The post SUNDOWN AUDIO U SERIES 8″ (600W RMS) D2/D4 OHM SUBWOOFER appeared first on Car Audio Direct.

The M Series Subwoofer is now available in 6.5″, 8″, 12”, 15”, and 18″ models! These subwoofers can handle a plenty of power and increased play times thanks to its rigid structure and Cool Flow flared vent backplate motor for increased heat dissipation.

The post M Series 8″ Subwoofer appeared first on Car Audio Direct.

The RS Gold Series is geared towards audio fanatics searching for a high performance driver without breaking your budget!

SPECS

RMS: 1000

SPL: 79.1 dB

FMS: 42.5 Hz

BL: 26.4

Res: 117

Re: 6.0

Qms: 4.17

Qes: 0.54

Qts: 0.48

Cms: 0.06

Mms: 237.9 gr

Nref: 0.05%

VAS: 3.8 L

Rp: 40.4

Lp: 41.0 mH

Cp: 428.0 uF

Le: 3.59 mH

Xmax: 19

BOX HEALTHY RECOMMENDATION

Every vehicles applications, equipment, tuning, wiring, ext all play a factor in making sure your woofers are playing clean signals to avoid any clipping. Our products have the reputation of taking some of the most abuse in the industry for its given power rating, but to ensure the longevity using the right air space and scoping for a clean signal will be sure to have a lasting daily resilient subwoofer. 

Suggested Healthy spec range.

Rule of thumb lean towards smaller enclousre if clamping @ or more than conservative power. Lean towards bigger enclosure clamping below conservative power

Ported enclosure

.9 -1.1 ft tuned @35hertz with 12-16sqaure inch of port area per cubic foot. 

CUTOUT 7.3″

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