FOCAL Bmw And Mini Compatible Subwoofer 4 Ohm, 90W Rms, 35Hz - 200Hz, Oem Replacement | - Isub Bmw4 -ISUB BMW4 (each)
Focal ISUB BMW 4 Plug & Play Underseat Subwoofer for BMW & MINI - ISUBBMW4
Upgrade the low-frequency performance of your BMW or MINI with the Focal ISUB BMW 4, a premium Plug & Play underseat subwoofer engineered to deliver deeper bass, improved dynamics, and a more immersive listening experience. Specifically designed for compatible BMW and MINI vehicles, the ISUB BMW 4 integrates directly into the factory subwoofer locations while maintaining the original appearance of the vehicle.
Utilising Focal's advanced Black Polyglass cone technology and a powerful neodymium motor, the ISUB BMW 4 delivers tight, accurate bass reproduction with exceptional musical detail. The integrated spacer built into the chassis allows for seamless installation into OEM mounting positions, making it an ideal upgrade for customers seeking improved sound quality without vehicle modifications.
Featuring a 4-ohm impedance, the ISUB BMW 4 is optimised for use with factory amplification systems, providing a substantial improvement in bass response while retaining full compatibility with the original audio setup.
Key Features
- Designed specifically for compatible BMW and MINI vehicles
- Direct Plug & Play underseat subwoofer replacement
- Black Polyglass cone technology for accurate bass reproduction
- High-performance neodymium motor
- Integrated chassis spacer for OEM fitment
- Optimised for factory amplified audio systems
- Improves bass response and overall sound balance
- Retains factory appearance and vehicle functionality
- No cutting or vehicle modifications required
- Perfect addition to Focal Inside BMW and MINI speaker upgrades
Why Upgrade Your BMW Audio?
Factory audio systems often struggle to deliver the depth and impact needed for a truly engaging listening experience. The Focal ISUB BMW 4 provides stronger low-frequency performance, tighter bass control, and improved overall sound quality, helping create a richer and more enjoyable in-car audio experience.
Designed for seamless integration with factory amplification, this dedicated BMW and MINI subwoofer upgrade offers an excellent balance between performance, simplicity, and OEM compatibility.
Benefits
- Deeper and more controlled bass response
- Improved overall audio balance and musicality
- Enhanced listening enjoyment across all music genres
- Simple Plug & Play installation
- Maintains factory aesthetics and functionality
- Designed specifically for BMW and MINI applications
Specifications
- Product Type: Subwoofer
- Subwoofer Size: 7.9" (200mm)
- Cone Material: Black Polyglass
- Motor Structure: Neodymium
- RMS Power Handling: 90W RMS
- Maximum Power Handling: 180W
- Impedance: 4 Ohm
- Sensitivity: 83dB
- Frequency Response: 35Hz – 200Hz
- Surround Material: Butyl
More Information
| Product Type | Subwoofer |
| Vehicle Compatibility | BMW & MINI |
| Subwoofer Size | 7.9" (200mm) |
| Cone Material | Black Polyglass |
| Motor Type | Neodymium |
| RMS Power | 90W |
| Maximum Power | 180W |
| Impedance | 4 Ohm |
| Sensitivity | 83dB |
| Frequency Response | 35Hz - 200Hz |
| Surround Material | Butyl |
| Installation Type | Plug & Play |
| Amplifier Compatibility | Factory Amplified Systems |
What's Included
- 1 x Focal ISUB BMW 4 Underseat Subwoofer
- Integrated OEM Fitment Spacer
- Vehicle-Specific Installation Components
- Installation Instructions
✓ Available at our Brookvale workshop
✓ Installed by qualified auto electricians and audio technicians
✓ Over 30 years of combined car audio experience
✓ OEM-grade wiring looms, connectors and installation materials
✓ Warranty-backed workmanship
✓ Suitable for cars, 4WDs, SUVs, utes and commercial vehicles
Whether you're upgrading speakers, adding an amplifier, installing a multimedia system, fitting a dash cam, or improving vehicle security, our experienced installation team can recommend and fit the right solution for your vehicle.
Need installation pricing or advice? Contact our team on 02 993 92977or visit our Brookvale showroom.
Our Northern Beaches team can assist with:
✓ Product recommendations
✓ Vehicle compatibility checks
✓ Installation advice
✓ System upgrade planning
✓ Warranty and support enquiries
Call 02 993 92977, visit our Brookvale showroom, or use our contact form and we'll help you find the right solution for your vehicle.
Thank you for shopping at Audio Emporium. The following are the terms and conditions that constitute our Shipping Policy.
Where We Ship
We ship to all Australian states and territories, including PO Boxes. We do not currently ship outside Australia.
Shipment Processing
We aim to dispatch orders placed before [CUT-OFF TIME] AEST on a business day the same business day, where stock is on hand. Orders placed after the cut-off, on weekends or on public holidays are dispatched the next business day.
If we are experiencing a high volume of orders or if a product needs to be sourced from our distributor, dispatch may take longer. If there is a significant delay, we will contact you by email or phone.
Orders are not dispatched or delivered on weekends or public holidays.
Shipping Rates and Delivery Estimates
We offer free standard shipping on all orders within Australia to most metropolitan addresses. Bulky or heavy items — such as large subwoofers, multiple amplifiers, or full system shipments — may attract an additional freight surcharge, which will be shown at checkout before you confirm your order. Remote and regional addresses may also attract additional freight depending on the courier.
|
Destination |
Estimated delivery |
|---|---|
|
Sydney metro |
1–3 business days |
|
Other capital cities |
2–5 business days |
|
Regional Australia |
3–7 business days |
|
Remote / WA / NT |
5–10 business days |
Estimates are guidelines provided by our courier partners. Delays can occasionally occur and are outside our control.
Carriers
We dispatch via [COURIER PARTNERS]. Carrier selection depends on order size, weight and destination.
Shipment Confirmation and Order Tracking
You will receive a Shipment Confirmation email once your order has been dispatched, containing your tracking number. The tracking number will typically be active within 24 hours.
Shipping to PO Boxes and Parcel Lockers
We can ship to PO Boxes and Australia Post Parcel Lockers, subject to carrier and item size restrictions. Bulky items may not be deliverable to these addresses; if that's the case for your order, we will contact you to arrange an alternative.
Damaged in Transit
If your order arrives damaged, please contact us at [EMAIL] or call [PHONE] within 48 hours of delivery, with photos of the damaged packaging and product. We will work with the courier to file a claim and arrange replacement or refund as appropriate. Please retain all original packaging until the claim is resolved.
Lost Parcels
If your tracking shows the parcel as delivered but you haven't received it, please contact us within 7 days of the delivery date so we can investigate with the courier.
Customs, Duties and Taxes
As we ship within Australia only, no customs duties apply. GST is included in all prices displayed on the site.
Click and Collect
Sydney customers can collect online orders directly from our Northern Beaches showroom by selecting "Click and Collect" at checkout, subject to stock availability. We will email you when your order is ready for collection. Please bring photo ID and a copy of your order confirmation.
Installation Customers
If your order includes installation at our Sydney workshop, products are held at the workshop and not shipped. We will contact you to confirm your installation booking.
Contact
Shipping questions can be sent to info@audioemporium.com.au or call 02 993 92977.
- Fast Dispatch From Sydney
- Authorised Australian Dealer

