Contact us
Close contact box
Connect ID #
145 321 122 3

Our hours

Connect ID #
145 321 122 3
Chat
All finished with your chat session?

We’ll email you a transcript of this conversation for your records.

We're sorry, chat is not available at this time.

Please enter your name.  
Please enter a valid email address. Why is this required?
Please enter your US phone number.  

For Tech Support, call 1-800-955-9091

Thank you, !
Our conversation will be emailed to
Please enter a question  
Don't wait on hold. We'll call you back when it's your turn to talk with the next available .
Please enter your name  
Please enter your phone number  

Current Crutchfield time is 11:49 PM ET.

Please enter a message  

Calls may be recorded for training and quality control purposes.

We are located in Virginia USA.

MB Quart MBQR-STG3-RC-1

Stage 3 audio system with 8" speakers, 2-channel amp, 10" sub, and mono amp — fits select 2017-up Polaris RZRs w/ Ride Command®

Item # 049RST3RC1

With 8" speakers, a 2-channel amp, a mono sub amp, and a 10" subwoofer, this system will add some serious thump to...

Find what Fits your car

With 8" speakers, a 2-channel amp, a mono sub amp, and a 10" subwoofer, this system will add some serious thump to...

California customers:
Please click here for your Proposition 65 warning.

New

Item # 049RST3RC1

Low stock

$1,199.99 Sale: -$240.00 off

$959.99

About the MB Quart MBQR-STG3-RC-1

Get rockin' with with Ride Command®

A Polaris RZR with Ride Command is one impressive ride already, but this MB Quart Stage 3 audio kit will add something new — impressive sound. With 8" speakers, a 2-channel amp, a mono sub amp, and a 10" subwoofer, this system will add some serious thump to your off-road adventures.

Get rockin' with with Ride Command®

A Polaris RZR with Ride Command is one impressive ride already, but this MB Quart Stage 3 audio kit will add something new — impressive sound. With 8" speakers, a 2-channel amp, a mono sub amp, and a 10" subwoofer, this system will add some serious thump to your off-road adventures.

Ride Command is and amazing bit of technology, but the low-voltage output isn't ideal for great audio. MB Quart worked with the engineers at Polaris to design a system that produces outstanding sound. The system includes two vehicle-specific Ride Command adapters and amplifiers that are specifically designed to work with the Ride Command system.

MB Quart designed this entire package to fit right into your RZR, with no cutting and minimal hassle. It also comes with all the parts and pieces needed for a smooth, hassle-free installation. Each component is tough enough for trail duty, so you won't have to worry about your system getting swamped.

8" speakers with custom enclosures

The package includes a pair of 8" NH1-120B compression horn marine speakers that are built for off-road and marine use. The durable poly cones withstand moisture and sunlight, as do the 1" titanium diaphragm tweeters.

These all-weather speakers are really easy to install, too, thanks to the RZR-specific speaker enclosures included in this kit. These rugged kick panel enclosures bolt right in using the factory mounting holes with just a little bit of drilling.

A 2-channel amp with power to spare

MB Quart's NA2-400.2 amplifier packs a lot of power into a small package that's perfect for powersports applications. This rugged Class D amp delivers 100 watts per channel at 4 ohms, so your speakers will get the juice they need.

And there's a 10" sub with a mono amp

This thunderous audio kit includes a marine-rated MB Quart 10" sub that bolts right into the glovebox location in your RZR using the included direct-fit enclosure. The enclosure is made from a durable composite material that blends right in and stands up to life on the trail.

The power for this beefy sub comes from the MB Quart NA2-400.1 powersports mono amp. With 400 watts of max power, on-board equalization and quick release connectors, installation is easy and you'll really feel the bass when you're on the trail.

READ LESS

Product highlights:

  • designed for 2017-up Polaris RZRs with Ride Command
  • all components designed for off-road use
  • system includes:
    • 8" speakers with enclosures and a 2-channel amp
    • 10" subwoofer with enclosure and mono amp
    • two Ride Command adapters, amp brackets, installation parts and wiring
MB Quart NH1-120B 8" marine speakers
  • compression horn design for outstanding volume
  • power handling up to 90 watts RMS (180 watts peak)
  • 1" titanium compression diaphragm tweeters
  • Santoprene rubber surrounds
  • impedance: 4 ohms
  • warranty: 1 year
MB Quart 10" marine subwoofer
  • handles up to 400 watts peak power
  • enclosure replaces the glove box
  • dual voice coils
  • IPX67-rated
  • warranty: 1 year
MB Quart NA2-400.2RC 2-channel amp
  • Class D design
  • 100 watts RMS x 2 at 4 ohms
  • frequency response: 20-20,000 Hz
  • low-pass crossover and bass boost
  • conformal-coated circuit board — suitable for power sports and marine applications
  • warranty: 1 year
MB Quart NA2-400.1 mono subwoofer amp
  • Class D design
  • frequency response: 10-300 Hz
  • power specs: 200 watts x 1 at 4 ohms (400 watts x 1 at 2 ohms)
  • electronic crossover
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # MBQR-STG3-RC-1

What's in the box:

  • This package contains 5 individually boxed items along with parts in the main box:
  • Main Box:
  • Two 8-pin Ride Command Adapter harnesses
  • QR Code for installation instructions
  • MQBR-POD-2:
  • 2 Speaker pods pre-loaded with NH1-120B 8" drivers (attached 11" wire harness)
  • Four 18mm bolts
  • Two 24mm T40 Torx screws
  • 4 Flat-washers
  • NA2-400.2RC Amplifier:
  • 2-Channel amplifier w/ attached 8" power/ground and speaker output harnesses (terminated with Molex plugs)
  • 16" Power/ground harness (inline 30A ATC fuse)
  • 16" Speaker output harness
  • Four 18mm screws
  • Quickstart guide
  • NA2-400.1 Amplifier:
  • Mono amplifier (attached 7" 3-pin & 2-pin harnesses)
  • 16" Power/ground harness (inline 30A ATC fuse)
  • 16" 2-Pin speaker harness
  • Four 3/4" screws
  • 4 Flat-washers
  • 4 Lock-washers
  • Remote level control (attached 15.5' cable w/ Molex connector)
  • Amplifier installation guide
  • MBQR-SUB-2:
  • Loaded 10" subwoofer enclosure w/ attached 20" wire harness
  • 2 Mounting plates
  • 2-1/4" Metal support tab
  • Eight 3/4" bolts
  • 8 Lock-washers
  • MBQR-ACC-1:
  • Single amp mounting plate
  • Dual amp mounting plate
  • 3' Power harness (inline 50A Maxi fuse)
  • 80" Speaker output splitter harness
  • 9' Right rear speaker harness
  • 9' Left rear speaker harness
  • 32" 4-Seat extension harness
  • 6-Pin Radio power adapter harness
  • Two 2' stereo RCA cables
  • Two 4" LED jumper/splitters
  • Ten 7" wire ties
  • Eight 12mm screws
  • 8 Flat-washers
  • 8 Nylock nuts

Customer reviews

We don't have any reviews, yet.
Submit a review and then enter to win a $350 rewards card.
Be the first to review this product

Loading reviews...

Thanks for submitting your review

Filter by rating

Customer photos

Sort reviews

Sort by:
Items per page:
View page:

Verified customer (What's this?)
Verified employee purchase (What's this?)

Pros:

Cons:

Crutchfield response

<< >>

More details on the MB Quart MBQR-STG3-RC-1

Stacey B.

Product Research

Features
Speakers & Enclosures
Amplifiers

Features

Overview: The MB Quart Nautic MBQR-STG3-RC-1 Polaris RZR tuned package includes 2 custom-fit speaker pods, pre-loaded with a pair of 8" NH1-120B compression horn drivers, an NA2-400.2RC 2 x 100W RMS (@4Ω) amplifier, an NA2-400.1 400 x 1 (@2Ω) mono subwoofer amp that powers the included 10" dual voice coil subwoofer, and pre-cut and loomed wiring harnesses, all designed to fit select Polaris RZR powersports vehicles.

Compatibility: The MBQR-STG3-RC-1 audio package is designed specifically for installation in 2014-2020 Polaris RZR vehicles WITH a factory Ride Command audio system. If installing in a Polaris RZR without a Ride Command system, please see MB Quart's other Polaris RZR packages found here.

Installation: The MBQR-STG3-RC-1 Polaris RZR tuned package includes all the mounting hardware and wiring required for installation. Pre-cut, pre-loomed wiring harnesses integrating each item and making installation much faster and easier. 

  • Amplifiers: A dual amp mounting plate is provided for the NA2-400.2RC and NA2-400.1 amplifiers, allowing them to be mounted in the steering column area.
  • Ride Command Adapters: Two Ride Command Adapter harnesses are included that plug into the output of the factory Ride Command radio, each providing 2 channels of audio output along with Remote Out activation leads.
  • Speaker Pods: Two 8" compression horn drivers are pre-mounted into speaker pod enclosures designed to fit the kick-panel areas of the RZR (drilling required).
  • Subwoofer: The 10" subwoofer comes pre-mounted into a tuned, ported enclosure that gets installed in place of the factory glove box.

Speakers & Enclosures

NH1-120B/Speaker Pods: The MBQR-STG3-RC-1 includes two NH1-120B 8" compression horn drivers designed for use in your Polaris RZR. Combined with the the included speaker pod enclosures, the 8" compression horn drivers get mounted in the kick panel area, taking up as little leg room as possible.

  •  Woofer: The low-frequency driver consists of an 8" composite polypropylene cone with a temperature-stable Butyl rubber surround all mounted in a lightweight composite ABS and glass fiber frame. The driver also features a voice-coil made from high temperature copper, wound on a Kapton former, allowing the voice-coil to handle more power while remaining lightweight. A woven fiber composite spider help stabilize the cone and voice-coil.
  • Compression Horn: The 8" drivers feature a coincident mounted compression horn, improving overall volume by as much as +5dB over conventional speakers. A Wavelength Transparent Acoustic Lens improves midrange frequencies through the cone.
  • Dome Tweeter: The NH1-120B speakers include a 1" dome tweeter with a pure titanium compression diaphragm, producing a smooth musical response with high output while requiring minimal amplifier power.
  • Crossover: A 12dB/oct. Butterworth crossover offers a smooth transition from high to low frequencies with conformal coating and PTC (Positive Thermal Coefficient) tweeter protection.
  • Grilles: Each driver features a pre-attached composite grille, treated to resist UV sun fade and weather.
  • Marine Grade: Tested to the highest marine and powersports standards for resisting the elements, both NH1-120B drivers carry an IPX67 weatherproof rating, making them highly resistant to water, dirt, and UV rays.
  • Speaker Specifications: The 4Ω speakers can handle 90 watts RMS (180 peak). They have a frequency response of 20Hz - 20kHz (+/-10dB) and a sensitivity of 92dB.
  • Speaker Pods: The MBQR-STG3-RC-1 system includes two durable, high-impact HDPE composite enclosures that are custom designed to mount in the kick-panel area while taking up as little foot and leg room as possible. Each speaker pod includes a 11" section of speaker wire pre-run through the enclosures.

Note: Drilling new mounting holes will be required for installing the speaker pods into the kick panels.

Subwoofer: The included 10" subwoofer features a dual 4voice coil design that's wired for 2. The sub comes pre-mounted inside a ported, high-impact HDPE composite enclosure that's designed to mount in place of the factory glove box with no modifications. Powered by the NA2-400.1 400W amplifier, the subwoofer and enclosure combo can provide deep, powerful bass at high volume.

Amplifiers

NA2-400.2RC Amplifier: The MBQR-STG3-RC-1 sound system includes an NA2-400.2RC two-channel amplifier for driving the compression horn drivers. The Class-D amp can output 2 x 100w RMS @4Ω or 2 x 200 RMS @2Ω and has a frequency response of 20Hz - 20kHz. The amplifier features conformal coated PC boards that resist corrosion from salt spray and moisture, and a Q-Stasis pre-amplifier stage that reduces incoming noise from a headunit, greatly improving sound quality. A dual coil Pulse-Width Modulated power supply keeps a constant steady voltage. The Class-D topology combined with aluminum heat sinks allows the amp to produce the maximum amount of power while keeping it cool. Mounting hardware is included for mounting the amp in the front steering column area of your compatible Polaris RZR. Amplifier front and rear panels include the following:

  • Inputs: One pair of RCA jacks provides the audio input for the amp.
  • Outputs: Two speaker output channels are provided on a 8" hardwired harness terminated with a 4-pin Molex connector.
  • Power/Ground/Remote: A second 8" hardwired harness with Molex connector is provided for power, ground, and remote connections.
  • Level: Varies the input signal level with a range of 9V-0.2V.

NA2-400.1 Sub Amplifier: The MBQR-STG3-RC-1 sound system includes an NA2-400.1 mono amplifier for driving the subwoofer's dual voice-coils. The Class-D amp outputs 400w @ 2Ω (200W @ 4Ω) and has a frequency response of 20Hz - 20kHz. The amplifier features conformal coated PC boards that resist corrosion from salt spray and moisture, and a Q-Stasis pre-amplifier stage that reduces incoming noise from a headunit, greatly improving sound quality. A dual coil Pulse-Width Modulated power supply keeps a constant steady voltage. The Class-D topology combined with aluminum heat sinks allows the amp to produce the maximum amount of power while keeping it cool. Mounting hardware is included for mounting the amp with the subwoofer enclosure. The amplifier's front and rear panels include the following:

  • Inputs: One pair of RCA jacks provides the audio input for the amp.
  • Outputs: A single 2-wire subwoofer speaker output is provided on a 7" hardwired harness terminated with a 2-pin Molex connector.
  • Power/Ground/Remote: A 7" hardwired harness with Molex connector is provided for power, ground, and remote connections.
  • Wired Remote Input: A 4-pin Molex plug on a 7" harness provides the connection for the included wired remote level control. This can be mounted on the dash or console and includes a 15.5' cable for plugging into the amplifier's harness.
  • LPF: A rotary low-pass filter adjustment ranges from 50Hz - 150Hz.
  • Subsonic: The subsonic filter can remove frequencies below the setting amount, with a range of 15Hz-50Hz.
  • Boost: A 2-way switch (0dB & 12dB) lets you apply a 12dB boost @45Hz.
  • Level: Varies the input signal level with a range of 9V - 0.2V.

Loading accessories...

Customer Q&A

Loading articles...

Looking for more?

Check out the next model in this lineup.


Adding...
New
MB Quart MBQR-STG5-RC-1
Stage 5 audio system with four 8" speakers, 2-channel amp, 10" sub, and mono amp — fits select 2017-up Polaris RZRs w/ Ride Command®
Low stock
1 review

$1,599.99 Sale: -$320.00 off

$1,279.99
Add to cart

Get maximum sound with four speakers and a 10" sub

The MB Quart MBQR-STG5-RC-1 offers these features:
  • four 8" speakers with enclosures and a 2-channel amp
  • 10" subwoofer with enclosure and mono amp
  • works with your Ride Command system
TOP