The MB Quart NA4-400.2RC is a compact Nautic 400 watt two channel powersports amplifier that MB Quart lists as compatible with the Polaris RIDE COMMAND source unit. It has IP67 potted internals, quick connect wiring and a fixed 80 Hz high pass filter for clean speaker output.
MB Quart lists it as the replacement for the NA2-400.2RC. It is rated at 2 x 200 watts at 2 ohms.
This ride command amplifier is a 400 watt amplifier and 2 channel marine amp in one. Riders use it as a Polaris RIDE COMMAND amplifier or RZR amplifier, and it works as a UTV amplifier or marine amplifier anywhere a compact waterproof amplifier fits. It is an MB Quart amplifier with an IP67 amplifier rating, built as a powersports amplifier.
Key Features
- 400 watts max: 2 x 200 W at 2 ohms, 2 x 100 W at 4 ohms (per MB Quart)
- Compatible with the Polaris RIDE COMMAND source unit (per MB Quart)
- IP67 rated with potted internals
- Q-Stasis low noise preamp stage, full range Class D
- Fixed 80 Hz high pass filter
- Quick connect 12 AWG power wires and Molex speaker plug
Built To Solve: Weak Factory Speaker Output
- Factory RIDE COMMAND audio that runs out of volume at speed
- Bulky amps that do not fit tight UTV spaces
- Electronics that fail after washdowns or water crossings
Best For: Adding Power to Two Speakers
- Polaris owners with a RIDE COMMAND source unit
- Boats or UTVs running one pair of speakers
- Owners replacing an NA2-400.2RC
Specifications
- Channels: 2
- Power @ 2 ohms: 2 x 200 W
- Power @ 4 ohms: 2 x 100 W
- Crossover: fixed 80 Hz high pass
- Frequency response: 80 Hz-20 kHz
- Signal to noise: >105 dB; THD: 1.0%
- Input: 1 pair RCA; input sensitivity 0.2-9 V
- Fusing: 30 A x 1
- Amp size: 6.8 x 3.94 x 1.77 in, 2.2 lb
- Rating: IP67
- Warranty: 1 year (per MB Quart)
- Manufacturer Part Number: NA4-400.2RC
Fitment
MB Quart lists the NA4-400.2RC as universal for marine and powersports use. It has no vehicle-specific fitment. MB Quart states it is compatible with the Polaris RIDE COMMAND source unit; check the quick start guide for how to connect it on your machine. Confirm mounting space and wiring before you order.
FAQ
Does it work with Polaris RIDE COMMAND?
MB Quart lists the NA4-400.2RC as compatible with the Polaris RIDE COMMAND source unit. See the quick start guide for connection details.
How much power does it make?
MB Quart rates it at 2 x 200 watts at 2 ohms or 2 x 100 watts at 4 ohms.
Is it waterproof?
Yes. It is rated IP67 with potted internals.
Does it have a crossover?
Yes. It has a fixed 80 Hz high pass filter.
What model does it replace?
MB Quart lists it as the replacement for the NA2-400.2RC.
Why MB Quart
MB Quart builds its Nautic marine and powersports audio and its UTV-tuned systems to be torture tested for harsh outdoor use, with IPX-rated speakers, potted or sealed electronics and plug-and-play harnessing. Dunes 2 Dezert SXS stocks the MB Quart line so you can build a complete, matched system from one source and get fitment help before you order.
Finish Your RIDE COMMAND Upgrade
Add an amplifier wiring kit and the speakers you want to power. Related products below list matching MB Quart parts, including a RIDE COMMAND amp adaptor kit.
