8" 300W Under Seat Car Subwoofer Slim Powered Car/Truck Subwoofer System
Not satisfied? Return it within 14 days for a full product refund. Return shipping applies for change-of-mind returns. View policy
This slim under-seat subwoofer transforms your car audio with deep, powerful bass that stays clear even at high volumes, fitting neatly under your seat without taking up boot space.
The built-in amplifier and multiple safety features mean you get professional-quality sound with reliable protection, whilst the included converter works with virtually any car audio system.
- 8-inch driver with 150W RMS and 300W peak power output
- Ultra-slim 3.1-inch height design fits under car seats
- Built-in amplifier with low distortion (below 0.4%) and high signal-to-noise ratio
- 50-150 Hz frequency response for deep bass coverage
- Sealed enclosure design for enhanced bass impact
- Low-level RCA and high-level inputs with included converter
- Multiple protections: overheat, short circuit, and fuse protection
π¦ 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 1β3 business days of payment confirmation. You will receive a tracking email once dispatched.
Standard delivery: 3β7 business days (metro). Regional/WA/NT may take slightly longer.
π 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 5β10 business days of receiving the returned item.
π‘οΈ 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.
β FAQs
How long does delivery take?
Orders dispatch in 1β3 business days. Standard delivery 3β7 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.
MonβSat, 9:00 AM β 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 1β3 business days from our Australian warehouses
Responsive Local Support
Australian-based team available MonβSat, 9amβ10pm AEST. Reply within 24 hours
Backed by Warranty
Every product includes a 12-month manufacturer's warranty β shop with confidence



