JL Audio 10TW3-D8 10" 400W RMS Dual 8-Ohm Voice Coil Shallow-Mount Car Subwoofer
JL Audio 10TW3-D8 10" 400W RMS Dual 8-Ohm Voice Coil Shallow-Mount Car Subwoofer
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DESCRIPTIONS
DESCRIPTIONS
BRAND NEW
JL AUDIO 10TW3-D8
10-inch 400 Watts RMS Dual 8-Ohm Voice Coil Shallow-Mount Subwoofer
TW3s are optimized for small enclosures and offer our tab-ear mounting design to maximize cone area within their mounting footprints. We know youre going to love working with these amazing Subwoofers.
Key Features:
- Very shallow mounting depth (3.25 / 3.50 Inches)
- No pole vent: permits mounting close to the rear wall of enclosure.
- Very small sealed enclosure volume requirements
- Very long linear excursion capability (0.60 In / 15.2 mm, one-way)
- DMA-optimized motor designs
- concentric tube architecture
- Patented floating cone attach method technology
- Cast alloy frame
- Injection-molded, mica-filled polypropylene cone
- Rubber surround
- Aluminum-alloy dust cap and rear cap with JL Audio logo
- Precision-built in USA at JL Audios Miramar, Florida factory with global components
Specifications:
- Continuous Power Handling (RMS): 400 W
- Recommended Amplifier Power (RMS): 200 - 400 W
- Nominal Impedance (Znom): Dual 8
- Nominal Diameter: 10 in / 250 mm
- Overall Diameter: A1: 11.2 in / 284 mm | 10.5 in / 267 mm
- Mounting Hole Diameter: 9.625 in / 244 mm
- Bolt Hole Circle Diameter: 10.5 in / 267 mm
- Motor Outer Diameter: 5.1 in / 130 mm
- Mounting Depth: 3.25 in / 83 mm
- Driver Displacement: 0.019 cu ft / 0.54 L
- Net Weight: 10.1 lb / 4.6 kg
Parameters:
- Free Air Resonance (Fs): 39.262 Hz
- Electrical (Qes): 0.825
- Mechanical (Qms): 9.84
- Total Speaker (Qts): 0.761
- Equivalent Compliance (Vas): 0.510 cu ft / 14.44 L
- One-Way Linear Excursion (Xmax)*: 0.6 in / 15.2 mm
- Reference Efficiency (no): 0.23%
- Efficiency (1 W / 1 m)**: 82.27 dB SPL
- Effective Piston Area (Sd): 56.532 sq in / 0.0365 sq m
- DC Resistance (Re)***: 15.008
- 10-Inch Shallow-Mount Car Subwoofer
- Continuous Power Handling (RMS): 400 W
- Nominal Impedance (Znom): Dual 8
SHIPPING & DELIVERY
SHIPPING & DELIVERY
We aim to provide a smooth and reliable delivery experience for all orders placed with Havenlia.
Processing Time
Orders are processed within 1–3 business days. Once your order has been dispatched, you will receive a confirmation email with tracking information.
Delivery
Most orders arrive within 7–12 business days after dispatch. Delivery times may vary depending on the item and your location. All orders are shipped with care to ensure quality and consistency.
Free Shipping
We offer free shipping on all orders within the United States, with no additional or hidden fees.
Customer Service
Availability: Monday to Friday, 9:00 AM – 5:00 PM (EST)
Company name: Havenlia
Business Address: 535 Beluga Ave Apt D, JBER, AK 99505, United States
Business email: [email protected]
Phone: +1 (313) 999-6518
Support Information:
Our English-speaking customer support team is available to assist customers across the United States. We aim to respond to all inquiries within 24 hours on business days.
RETURNS & REFUNDS
RETURNS & REFUNDS
We want you to feel confident with every purchase. If you are not completely satisfied, you may request a return within 30 days of receiving your order.
To be eligible for a return, items must be unused, in their original condition, and in the original packaging.
Once your return is received and inspected, we will process your refund.
Support Hours
Monday to Friday, 9:00 AM – 5:00 PM (EST)
Company name: Havenlia
Business Address: 535 Beluga Ave Apt D, JBER, AK 99505, United States
Business email: [email protected]
Phone: +1 (313) 999-6518
Support Information
Our dedicated customer support team is here to assist customers across the United States. We aim to respond to all enquiries within 24 hours on business days and are committed to providing fast, friendly, and professional support.

Made to Last
Every Havenlia product is chosen for real, everyday use — durable materials, thoughtful design, and details that hold up over time. This isn't just decor, it's built to be part of your daily life.
Made for Real Life
Whether it's your morning coffee corner or a quiet evening in the garden, Havenlia products are designed to fit naturally into your everyday routine — simple, functional, and genuinely useful.
Frequently Asked Questions
How long does delivery take?
Orders are processed within 1–3 business days (Monday to Friday). Once shipped, delivery typically takes 7–12 business days.
What is your return policy?
We offer a 30-day return guarantee. You may return your item within 30 days of delivery, provided it is unused, in original condition, and in its original packaging. To start a return, contact us at [email protected].
Do I have to pay for return shipping?
Yes, return shipping costs are the responsibility of the customer, unless the item received is incorrect or faulty.
Can I cancel my order?
Yes, within 12 hours of purchase — contact us at [email protected].
Can I exchange an item?
Yes. Mention it in your return request email; exchanges are subject to stock availability.
How can I track my order?
Once your order has been dispatched, you will receive a tracking link via email.