- 500 watts of peak (250w RMS) power output with variable bass gain and adjustable low pass crossover
- Frequency range 20 Hz to 275 Hz
- Marine-grade speakers in IP66 Patent Pending enclosure providing 100% waterproof, dirt proof and dustproof audio
- Wireless Audio Connection – wirelessly connect to ECOXGEAR soundbars/speakers with ECOCAST
- Wired Audio Connection - connect to any soundbar, amplifier, or stereo’s aux out or sub output jacks
- Auto power on modes – remote (blue wire), audio or DC
- Wired Remote Gain Switch - quickly adjust the sub volume on the fly.
- Multi-Color LED Backlit Speakers – solid green, red, white, blue, or music sync, fading or off.
- Mounting brackets and integrated threaded mounting holes for multiple mounting configuration options
- 2 year warranty on parts and labor.
Product Details
ES08 Features
ES08 Technical Specs
What Come With the ES08?
SoundExtreme ES08 Subwoofer Dual 8"
SoundExtreme ES08 Subwoofer Dual 8" #GDI-EXESW801
ECOXGEAR SoundExtreme ES08 powersports sealed powered 8-inch subwoofer tube with built in 500-watt (250W RMS) amplifier. The class D amplifier powers 1 active 8-inch subwoofer and 1 passive subwoofer to add that kick and punch to your audio system; ECOCAST compatible – wirelessly connect the ES08 Subwoofer to any ECOXGEAR ECOCAST enabled audio product; Built-in waterproof SUB-IN jack to connect to any brand soundbar or stereo amplifier
100% WATERPROOF AND DUSTPROOF – Wash the sub off with a hose, meets IP66 international standards, no worries with mud, sand, or snow
The SoundExtreme ES08 by ECOXGEAR can easily be mounted to your golf cart!


Frequently Asked Questions
Find quick answers to the most common questions about our parts, upgrades, compatibility, shipping, and installation support.
Are your parts compatible with my golf cart model?
Yes. Each product page lists compatibility for EZGO, Club Car, Yamaha, and other major models. If you’re unsure, our support team can help confirm the right part for your cart before you order.
Do you offer installation support?
Yes. Our support team is available to help you confirm the right part for your cart before you order, and we can attempt to provide guidance to locate the installation instructions or an installation video (if available). For complex installations, we recommend consulting your cart's manual or reaching out to a local dealer who may offer professional installation services.
How long does shipping take?
Most items ship within 24-48 business hours after the order has been placed. Parts may ship together, or in separate shipments from different locations based on availability and/or your shipping location.
What if a part doesn’t fit my cart?
If a part doesn't fit your cart, contact our support team right away. We'll help you identify the reason the part won't fit your specific model. We can then arrange a return or exchange at an additional cost to get you the correct part. Most compatibility issues can be resolved quickly, and we're here to make sure you get the correct part needed.
Do you sell complete golf carts as well?
Yes, we offer fully customized golf carts built to your specifications. Our team works with you to design and assemble complete carts tailored to your needs, whether you're looking for performance upgrades, custom aesthetics, or specialized functionality. Contact our sales team to discuss your custom golf cart project and get a personalized quote. You can also click here to see our current golf cart inventory.