The SoundExtreme SEB 26" has all the features of the original. 
Now with Long lasting Lithium Ion battery pack.  Easy install, no longer need to connect to the 12v battery source.  The powersports sound bar and LED lighting system is perfect for your ATV/UTV, boat, and golf cart. 100% waterproof, dustproof, and dirtproof. 500 watts of power to 8 marine grade speakers provides a great listening experience. With our EcoCast feature connect up to 50 Sound Extremes at a time!  Patent Pending.
 
Features
Marine-grade speakers in IP66 Patent Pending enclosure providing 100% waterproof, dirt proof and dustproof audio
500 watts of peak power output
8 marine grade speakers: 2 tweeters, 4 mid-range and 2 side mounted woofers
Battery provides 20+ Hours of Playtime at typical volume levels
Dedicated Battery Charger 12 volts / 2 amps
Play time of 20 hours at normal volume, 7 hours at 75% volume
Two internal independently sealed cavities for true left and right stereo sound
Bluetooth 5.0 for long range reliable wireless connection to smartphone
EcoCast allows up to 50 soundbars to be connected together or connect to any ECOXGEAR speaker with the EcoCast feature.
Integrated on speaker controls: Power, mode (Bluetooth/FM/Aux in), volume, skip FWD/Back, Ecocast, lights, Bluetooth
Built in microphone for speakerphone calls.
Multi-color LED’s backlight all 5 speakers: chose from red, green, blue, white. Sync to music, solid color on or off.
Rear Facing dual 160 Lumen LED light bar can be turned on separately from the speaker LED’s. LED light bar can be white, red or yellow.
Waterproof 12V auxiliary power out connection cables to connect to your vehicle’s battery
Waterproof Aux In connection port to play audio from a wired device
Waterproof Aux out jack to daisy chain to other optional wired speakers
Waterproof 5V USB charge out to give a boost to your phone or other devices
Mounting brackets and integrated threaded mounting holes for multiple mounting configuration options
What’s in the box: SoundExtreme powersports soundbar, RF remote control,