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Extreme Sports SoundSub (ES08)


The SoundExtreme ES08 by ECOXGEAR is an 8-inch sealed self-amplified subwoofer that is 100% waterproof and dustproof. Mount it to your golf cart for a more extreme experience!


500 WATTS PEAK OUTPUT – class D amplifier (250W RMS) 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

MULTI-COLOR LED SPEAKERS- solid green, red, white, or blue, music sync, fading, or off

GAIN AND FILTER CONTROLS – adjust the volume and frequency range of your sub

MOUNTING BRACKETS – easily mount your sub to your vehicle either vertically or horizontally

REMOTE WIRED GAIN SWITCH – adjust your sub volume remotely


  • 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
  • 1 year warranty on parts and labor.
  • Protected under patent US 9,307,307 , 11,223,886 , D937244

Size & Weight

  • Width: 13.9”
  • depth: 9.1”
  • Height: 8.9”
  • Weight: 20 lbs.

Input & Outputs

  • 10awg gauge speaker power wire
  • Blue wire acc cable
  • auxiliary audio in cable
  • remote gain control cable


  • Input Voltage: 12VDC, 30A (requires connection to external DC battery for power)

What’s in the Box

  • 6.6 Power Cable for Connecting to Vehicle 12V step down converter or Battery
  • Auxiliary power out mating connector
  • Vertical and horizontal Mounting Brackets
  • all related Mounting Hardware Included
  • Wired Remote Gain Knob with 10 foot cable


Stock Number: GDI-EXESW801