8" 400W Underseat Car Subwoofer Slim Powered Low Profile
Not satisfied? Return it within 14 days for a full product refund. Return shipping applies for change-of-mind returns. View policy
Add deep, powerful bass to your car audio system without sacrificing space. This slim 3.1-inch underseat car subwoofer fits seamlessly under your front or rear seats, giving you immersive low-frequency sound while keeping your cabin uncluttered.
Key Features:
- 200W RMS / 400W peak powered subwoofer with built-in amplifier, no external amp needed
- 8-inch driver delivers 50-150 Hz frequency response for rich bass across music genres
- Clean, distortion-free sound with less than 0.4% distortion and 90dB+ signal-to-noise ratio
- Sealed enclosure design maximises bass depth and impact
- Flexible connectivity: accepts both low-level RCA and high-level speaker inputs
- Includes high-to-low level converter for compatibility with most car audio systems
- Multiple built-in protections including thermal and short-circuit safeguards
Specifications:
- Driver size: 8 inches
- Height: 3.1 inches (ultra-slim profile)
- Frequency response: 50-150 Hz
- Power: 200W RMS, 400W peak
- THD: <0.4%
- S/N ratio: >90dB
- Input: RCA (low-level) and speaker level (high-level)
- Enclosure type: sealed
Box Contents: subwoofer unit, built-in amplifier, high-to-low level converter, installation hardware
📦 Shipping & Delivery
Free Standard Shipping on all orders across Australia.
Orders are dispatched within 1–3 business days of payment confirmation. You will receive a tracking email once dispatched.
Standard delivery: 3–7 business days (metro). Regional/WA/NT may take slightly longer.
Express delivery options are available at checkout.
🔁 Returns & Refunds
We offer 14-day returns on all items.
To be eligible, items must be returned in original, unused condition with all original packaging.
To start a return: email hello@myhappygift.com.au with your order number.
Refunds are processed within 5–10 business days of receiving the returned item.
🛡️ Warranty
All products include a 12-month manufacturer's warranty.
Covers manufacturing defects and faults under normal use conditions.
Does not cover accidental damage, misuse, or normal wear and tear.
To make a warranty claim, email hello@myhappygift.com.au with your order number and photos of the fault.
❓ FAQs
How long does delivery take?
Orders dispatch in 1–3 business days. Standard delivery 3–7 business days.
Do you ship to all Australian states?
Yes, we ship Australia wide including WA, NT, and all regional areas.
How do I track my order?
A tracking link is emailed once your order is dispatched.
How do I contact support?
Email hello@myhappygift.com.au or call (03) 9961 6069.
Mon–Sat, 9:00 AM – 10:00 PM AEST. We respond within 24 hours.
Are your products covered by warranty?
Yes, every product includes a 12-month manufacturer's warranty.
Curated for Quality
Every product hand-selected to meet our quality standards before it reaches your home
Fast Australian Dispatch
Orders dispatched within 1–3 business days from our Australian warehouses
Responsive Local Support
Australian-based team available Mon–Sat, 9am–10pm AEST. Reply within 24 hours
Backed by Warranty
Every product includes a 12-month manufacturer's warranty — shop with confidence
