10" & 8" Car Amplifier Active Subwoofer Under Seat Bass Speakers

Name: 10" & 8" Car Amplifier Active Subwoofer Under Seat Bass Speakers
Brand: DMS Engineering
SKU: CSS-30067-AU
Price: 395.0 USD
Availability: InStock

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In stock

$395.00 Price incl. Tax

Quantity Set

Size 8-inch 10-inch

Product variants

Need a quick fitment check? We’ve got your back.

Our team can confirm compatibility for your exact vehicle in minutes, free of charge. Just tap ‘Text Us’ below and we’ll make sure it’s the perfect match.

Bonus Dash Cam Offer - Drive Protected™

Add another product alongside this one to unlock your complimentary Universal UltraVision HD Pro Dash Cam (valued at $295). Automatically included at checkout — no codes, no forms, just peace of mind.

More Products For This Vehicle Bundling Multiple Products? Click Here for a Quote!

About Drive Protected™

Drive Protected™ is a safety-led program by DMS Engineering, created to give Australian drivers greater confidence on the road. A complimentary Universal UltraVision HD Pro Dash Cam (valued at $295) is automatically included with eligible multi-item orders — because real protection means being ready for the unexpected.

Automatically included while promo stock lasts.

Why Dash Cams Matter

In the unlikely event of an accident, clear footage removes doubt and ensures outcomes are based on fact — not assumption.
Insurance disputes supported by dash-cam evidence resolve up to 40% faster, helping protect your time, finances, and peace of mind.
Even on uneventful drives, your dash cam quietly records every moment — giving you calm assurance that the truth is always on your side.

Your Bonus Dash Cam

Each Universal UltraVision HD Pro Dash Cam (valued at $295) is designed to record every drive with clear, stable footage that captures the details that matter most. Its compact form and automatic recording make it a dependable witness on the road — helping protect you in the moments you don’t expect. It’s protection you can see.

How to Get Yours

Add 2 or more items to your order and your bonus Universal UltraVision HD Pro Dash Cam (valued at $295) will be automatically included at checkout — no codes or forms required.

WHEN WILL I RECEIVE THIS?

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Product details

Vendor DMS Engineering
Type Under Seat Active Subwoofer
Make All Makes
Model All Models
Series All Series

QUALITY ASSURANCE

While there may be alternatives, when they fail and need replacing, the true cost becomes clear.

With us, you’re investing in durable quality and exceptional service from purchase to installation, ensuring long-term support and peace of mind.

Experience deep, punchy bass without sacrificing cabin space. These slim-profile under-seat subwoofers deliver impressive low-end performance in a stealthy, space-saving design. Perfect for vehicles with limited room.

Available Variations

8-inch (800watts): Compact and punchy, ideal for tight installs with maximum output in minimal space.
10-inch (600watts): Balanced depth and clarity, perfect for fuller bass response in slightly larger setups.

Features

Low-Profile Design: Fits seamlessly under most car seats, ideal for tight spaces and stealth installs.
High & Low-Level Inputs: Compatible with both aftermarket and factory head units for flexible integration.
Auto Turn-On Function: Smart signal sensing for seamless operation with OEM systems.
Durable Aluminum Enclosure: Rigid, heat-dissipating housing ensures long-term reliability and vibration resistance.

Specification

8-inch Speaker
- Voltage: 12V
- Max Power: 800W
- Impedance: 4 Ω
- Sensitivity: 90dB
- Distortion: < 0.4%
- Fuse Rating: 20A
- Sound Type: Full frequency (with treble) subwoofer
- Voice Coil: Dual
- Type: Non-Enclosed, Non-Powered
- Size: 350mm × 245mm × 85mm
- Colour: Black
- Material: Wood, Flannelette
10-inch Speaker
- Voltage: 12V
- Max Output Power: 600W Peak / 90W RMS
- Normal Impedance: 4 Ω
- Load: 4 Ω
- SNR (Signal-to-Noise Ratio): >90dB
- THD (Total Harmonic Distortion): <0.4%
- Fuse Rating: 25A
- Frequency Range: 20–500Hz
- High-Level Input Sensitivity: 0.9V
- Low-Level Input Sensitivity: 300mV
- Low Pass Filter: 50–150Hz
- Bass Boost: 0 to +18dB
- Subsonic Filter: 20Hz
- Dimensions: Approx. 345mm × 260mm × 68mm
- Colour: Black

Package Contents

2 x Under Seat Bass Speakers: As per selected variant(s)

Whether you're upgrading factory sound or building a custom system, these low-profile subwoofers deliver performance where space is limited.

Estimated Delivery Time

For an estimated delivery time, please visit the product page of the item you wish to purchase. Enter your postcode into the "When will I receive this item?" section to receive a tailored delivery estimation. Please note that these estimates can vary based on stock availability, shipping conditions, and other variables.

Free Shipping

Every order except for oversized items will automatically receive free standard shipping, ensuring you get your items without any additional cost.

Free Express Shipping / Same Business Day Delivery

If you're after expedited shipping, please contact us via phone or email for a quick quote. Express shipping costs and same day delivery vary depending on the product and delivery address, so we can't provide a standard quote.

Same-day Dispatch

DMS Engineering aims to dispatch all weekday orders placed before 12:00 PM (AEST during standard time or AEDT during daylight saving time) on the same day.

Order Tracking

Once your order has been dispatched from our warehouse, you will receive an email notification with your shipment tracking information. Please note that tracking details might arrive a day after dispatch, and be sure to check your spam folder if you don't see it in your inbox!

International Shipping Policy

Please be aware that international shipments may be subject to import duties, taxes, and customs processing fees, which are levied once the package reaches its destination country. These charges are the responsibility of the recipient and are not included in our shipping fees.

Important Notes

While we strive to provide accurate delivery estimates, please be aware that delays can occur due to factors such as stock availability, shipping conditions, and other unforeseen variables. We appreciate your understanding and patience in such situations.

Rest assured, tracking information is always provided for products above $50. You will receive an email notification with your shipment tracking details as soon as your order is dispatched. For items below $50, if tracking is available, you'll be notified accordingly. Regardless, we ensure that every order is handled with the utmost care and delivered promptly.

Unlimited Returns with Store Credit

We offer an unlimited timeframe to return your items in exchange for store credit. Cancellations will also be treated as returns and will be eligible for store credit.

Return Conditions

To be eligible for a return, your item must be in the same condition as when you received it—unused, uninstalled, and in its original packaging. You'll also need the receipt or proof of purchase.

Start Your Return

Self-Serve Returns (For Registered Customers): If you have a customer account, you can initiate a return directly through our self-serve returns portal. This streamlined process is quick and easy.

Via Email: If you don’t have a customer account, no problem! Just email us at info@dms-engineering-usa.com to start your return process.

Please note, the buyer is responsible for the return shipping label and associated costs.

Return Process

Once your return request is accepted, we will provide you with instructions on how and where to send your package. Please remember, items sent back to us without first requesting a return will not be accepted.

Exchanges

To exchange an item, return the original item, and once the return is accepted, you can make a separate purchase for the new item.

If more than 15 business days have passed since we approved your return, please contact us at info@dms-engineering-usa.com .