8" 400W Underseat Car Subwoofer, Slim Powered Car Subwoofers Under the Seat, Low Profile Audio Sub Built-in Amplifier, High/Low Level Input & Volume Controller for SUVs, Car, Truck, RV
Not satisfied? Return it within 14 days for a full product refund. Return shipping applies for change-of-mind returns. View policy
This underseat subwoofer transforms your car audio with deep, powerful bass while fitting discreetly under your seat, saving valuable boot space. The built-in amplifier and high-fidelity sound deliver clear, distortion-free bass across music genres without damaging your existing speakers or adding excessive noise.
- Ultra-slim 3.1-inch profile fits under car seats without compromising passenger space
- 200W RMS rated power with 400W RMS peak power for deep bass output
- 8-inch subwoofer with sealed enclosure for enhanced depth and impact
- 50-150 Hz frequency response covers essential low-frequency spectrum
- Built-in amplifier with less than 0.4% distortion and 90dB+ signal-to-noise ratio
- High-level and low-level RCA inputs with included high-to-low level converter
- Multiple safety protections including overheat, short circuit, and fuse protection
- Volume control for easy adjustment to suit your preferences
📦 Shipping & Delivery
Free Shipping on orders $500+. For orders under $500, a flat postage fee applies based on order weight (from $4.95).
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.
🔁 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
