• 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 $236.00 Save 20%
Shipping calculated at checkout.
Up to 2000W Peak
IP67 Waterproof
Built-in Amplifier
RCA OUT Ready
Models
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  • 3-Year Warranty Provided
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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.
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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

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FAQs

What size roll bar does the K66 Series fit?

The K66 Ultra, K66 Plus, and K66 Max include mounting clamps for round roll bars from 1.5 inches to 2.25 inches in diameter. The package includes clamp sets for 1.5-1.75 inch and 2-2.25 inch bars. Measure the outside diameter of your roll bar and check mounting width, roof, windshield, mirror, and wiring clearance before installation.

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

KSPEAKER K66 Series UTV Sound Bar helps riders choose the right waterproof Bluetooth UTV audio size: K66 Ultra 16-inch for compact cabins, K66 Plus 25-inch for balanced everyday riding, and K66 Max 34-inch for stronger bass and bigger open-air sound. It is built for shoppers comparing UTV sound bar, UTV speaker bar, soundbar for UTV, and SXS sound bar options.

Which K66 Should You Choose?

K66 Ultra 16-inch

Best for compact cabins, tighter roll cage space, and riders who want an easier Bluetooth audio upgrade with RGB lighting.

Shop K66 Ultra 16-Inch Soundbar

K66 Plus 25-inch

Best for most riders who want the balance of size, sound coverage, mounting space, and price.

K66 Max 34-inch

Best for riders who want more bass, larger sound, and stronger open-air audio for louder UTV riding.

Common Rider Concerns

Can I hear it while riding?

Wind, engine noise, tire noise, helmets, and open cabins can bury weak speakers. Choose the size around your normal riding speed and noise level.

Will it handle outdoor use?

The K66 lineup is made for UTV, ATV, golf cart, and powersports environments with dust, mud, rain, water, and washdowns.

Will it fit?

Check roll cage diameter, mounting width, roof clearance, windshield clearance, mirrors, and wiring route before purchase.

Why Choose KSPEAKER?

Riders often compare KSPEAKER with Kemimoto, BOSS Audio, JBL, MTX, KICKER, Rockford Fosgate, Wet Sounds, SSV Works, and ECOXGEAR. KSPEAKER focuses on a direct-to-rider UTV soundbar lineup with multiple sizes, Bluetooth convenience, RGB lighting, waterproof outdoor use, roll cage mounting, and a clear upgrade path from compact K66 Ultra sound to larger bass-focused K66 Max audio.

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.

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Still comparing UTV audio?

Check the guide path before you buy

If you are unsure about size, bass, fitment, or riding noise, these pages help you compare before choosing a model.

Compare all UTV sound barsReview the full lineup before committing to one product. Best UTV Sound Bar GuideMatch your cabin, speed, noise level, and install space to the right sound bar. Bass & Subwoofer GuideUse this if you are deciding whether you need more low-end impact. Polaris Ranger GuideA fitment-focused page for shoppers comparing sound bars for Polaris Ranger use.Compare with K66 PlusThe balanced 25-inch option for many riders.Compare with K66 MaxThe larger bass-focused option with subwoofer.Compare with K100The value-focused waterproof RGB UTV soundbar.