• KSPEAKER K66 ULTRA 16-inch UTV sound bar installed on a roll bar with front product view
  • KSPEAKER K66 PLUS 25-inch UTV sound bar installed on a roll bar with front product view
  • Front angled view of KSPEAKER K66 PLUS UTV sound bar with purple RGB lighting
  • KSPEAKER K66 PLUS 25-inch UTV sound bar dimensions, 25.6 inches long, 5.1 inches high, 4.3 inches wide
  • KSPEAKER K66 MAX 34-inch UTV sound bar installed on a roll bar with RGB lighting modes
  • KSPEAKER K66 MAX 34-inch UTV sound bar dimensions, 34 inches long, 5.1 inches high, 4.3 inches wide
  • KSPEAKER K66 ULTRA 16-inch UTV sound bar dimensions, 16.5 inches long, 5.1 inches high, 3.75 inches wide
  • K66 series UTV sound bar for UTVs, golf carts, ATVs, and marine
  • K66 series sound bar cable connections including power cord, USB port, RCA OUT, and AUX IN
  • Exploded view of KSPEAKER K66 series mounting clamps and roll bar installation hardware
  • KSPEAKER K66 series UTV sound bar with RGB lighting and multicolor powder background
  • Two riders enjoying a KSPEAKER K66 sound bar mounted on a UTV at sunset
  • K66 series wiring guide for 12V gasoline UTVs and 48V to 72V electric golf carts

KSPEAKER K66 Series UTV Sound Bar

KSPEAKER K66 Series UTV Sound Bar

$189.00 $239.00
Shipping calculated at checkout.
Up to 2000W Peak
IP67 Waterproof
Built-in Amplifier
RCA OUT Ready
Models
  • Lifetime Expert Tech Support
  • 3-Year Warranty Provided
  • Delivery

    Standard shipping: (4-7 Days)
    Express shipping: (2-5 Days)
30 Days Free Returns
Fast Setup
Ships From USA Warehouse
Secure payment badges
Fraud Prevention: Your Payment is Safe & Secure.
View full details
High-performance waterproof UTV soundbar mounted on an off-road side-by-side vehicle during a desert ride. Highlighting the extreme volume output and deep low frequency engineered to blast past engine roar.
MAXIMUM PERFORMANCE

Drown the Engine Own the Trails

Stop letting roaring engines drown out your music. This waterproof 1600W UTV soundbar delivers massive, helmet-piercing bass to fuel your off-road adventures.

A man power-washing a black UTV soundbar, demonstrating its ultimate marine-grade waterproof construction. Proven weatherproof and dustproof audio system designed to withstand harsh outdoor environments for off-road side-by-side vehicles.

Off-road marine grade waterproof speaker

Close-up of the RCA output connector on a KSPEAKER UTV soundbar, showing how to connect an external subwoofer system for enhanced deep bass response during off-road side-by-side vehicle riding.

Subwoofer audio upgrade for UTV soundbar

A KSPEAKER waterproof UTV soundbar with vibrant RGB LED lights flashing during a sunset ride. Highlighting the dynamic multi-color lighting and rugged audio system built for off-road side-by-side vehicles.

Waterproof SxS soundbar with dynamic lights

Split-screen marketing diagram showing a waterproof UTV soundbar used for an outdoor beach side-by-side vehicle party and an indoor house party with vibrant lighting. Highlighting multi-scene audio versatility.
Exploded view of a waterproof UTV soundbar under water splashes, showcasing its speaker drivers. Highlighting the built-in amplifier system engineered for powerful sound and deep bass on off-road vehicles.
Marketing poster showing two KSPEAKER UTV soundbars linked via RCA OUT and AUX IN. Highlighting the sync play feature for off-road side-by-side vehicle audio systems to create double the volume for parties.
Marketing banner showing a rider using a wireless remote control for a KSPEAKER UTV soundbar. Highlighting the 15M long-range audio control and easy RGB LED light switch feature for off-road side-by-side vehicles.
Diagram showing the easy button control layout and remote functions of a KSPEAKER UTV soundbar. Explaining how to switch EQ modes and light settings effortlessly on an off-road side-by-side vehicle audio system.

Zero Guesswork. Total Control.

Control your music, lighting, and audio modes without complicated settings. Use the onboard control panel or the included remote to switch tracks, adjust volume, change RGB lighting modes, and keep the ride moving.
Learn More
FROM TRAILS TO THE GREEN

Perfect for Your Golf Cart Upgrade

Upgrade your golf cart cruise with a waterproof sound bar built for outdoor use. The K66 Series adds strong audio, RGB lighting, and simple controls to compatible golf cart frames. Note: a voltage reducer is required if your cart battery exceeds 12V.

Step-by-Step Power Connection Guide

★★★★★
★★★★★
★★★★★
★★★★★
1 3
View all

FAQs

Which K66 model should I choose?

Choose K66 Ultra if you want a compact and budget-friendly 16-inch UTV sound bar. Choose K66 PLUS if you want the best balance of size, power, and value. Choose K66 MAX if you want the largest and most powerful K66 setup for maximum sound.

What is the difference between K66 Ultra, PLUS, and MAX?

K66 Ultra is 16 inches with 1200W peak power and 160W RMS. K66 PLUS is 25 inches with 1600W peak power and 240W RMS. K66 MAX is 34 inches with 2000W peak power and 320W RMS.

Why is K66 PLUS recommended for most riders?

K66 PLUS is only $10 more than Ultra, but it upgrades to a larger 25-inch sound bar with 1600W peak power, 240W RMS, and deeper 45Hz low-frequency response. It is the best balance for most UTV, ATV, golf cart, and off-road riders.

Does the K66 Series have a built-in amplifier?

Yes. The K66 Series has a built-in amplifier, so you do not need to buy a separate amp for normal installation. It is designed as an all-in-one UTV sound bar system.

Can I connect an external subwoofer to the K66?

Yes. The K66 supports RCA OUT, allowing you to connect an external subwoofer or compatible audio device for a stronger, expanded sound system.

Can I connect two K66 sound bars together?

Yes. You can use the RCA OUT / AUX connection to daisy-chain two K66 sound bars and play audio at the same time for a bigger synchronized sound setup.

Is the K66 Series waterproof?

Yes. The K66 Series is built with IP67 waterproof protection to handle rain, mud, dust, splashes, and outdoor riding conditions.

How is the K66 powered?

The K66 connects directly to a 12V DC battery using positive and negative power wires. If your vehicle uses a voltage higher than 12V, a voltage reducer is required.

Can the K66 play music without Bluetooth?

Yes. In addition to Bluetooth, the K66 also supports USB music playback and AUX-IN, giving you multiple ways to play music on the trail.

Can the RGB lights be turned off?

Yes. The RGB lighting can be controlled through the onboard speaker buttons or the included remote control. You can switch lighting modes or turn the lights off when needed.

What vehicles does the K66 fit?

The K66 Series is designed for UTVs, ATVs, golf carts, and other off-road vehicles with compatible mounting bars or frames. Please check your vehicle’s mounting position and bar size before installation.

What is your return/exchange policy?

Not satisfied with the product? Don't worry. Contact us for a return label, and simply return the product in its original packaging within 30 days for a full refund.

Shipping is not supported in some areas.

AK Alaska, HI Hawaii, PR Puerto Rico, GU Guam, APE Military Region, Saipan, and Virgin Islands. Shipping to these regions is not supported. If you require shipping, please contact customer service for additional shipping fees (calculated automatically by our system).

Instructions for use

K66 Instruction Manual

About this item

• K66 Series UTV Sound Bar with Three Power Options: Choose the right K66 for your ride. Ultra is a 16-inch model with 1200W peak power and 160W RMS, PLUS is a 25-inch model with 1600W peak power and 240W RMS, and MAX is a 34-inch model with 2000W peak power and 320W RMS.

• Built-in Amplifier for Strong Off-Road Sound: The K66 Series features a built-in amplifier, giving you a complete UTV audio system without needing to buy a separate amp for normal installation.

• IP67 Waterproof UTV Speaker System: Built for outdoor riding, the K66 Series is designed to handle rain, mud, dust, splashes, and rough off-road conditions, making it a reliable sound bar for UTVs, ATVs, golf carts, and marine use.

• Bluetooth, USB and AUX-IN Playback: Stream music wirelessly, play music from a USB flash drive, or connect another audio source through AUX-IN. The K66 Series gives riders multiple ways to enjoy music on every ride.

• RCA OUT for Subwoofer and Daisy-Chain Playback: The K66 supports RCA OUT, allowing you to connect an external subwoofer or link two K66 sound bars together for synchronized playback and a bigger audio setup.

• 12V DC Powered with Easy Mounting: The K66 connects directly to a 12V DC battery using positive and negative power wires. If your vehicle uses a voltage higher than 12V, a voltage reducer is required.

JOIN WITH US

TAG @KSPEAKER TO BE FEATURED

An exceptional audio system that delivers crystal-clear sound, easily overpowering the roar of the trail on any Can-Am adventure.