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MB QUART - NAUTIC Marine Amplifier - 5 Channel - Class SQ

High End Marine

The marine environment is a brutal place for equipment. The MB Quart Nautic series is the perfect choice for your boat, wave runner or river float audio system.

On Board Equalization

Nautic Series amplifiers have built in equalization to fine tune the system with variable Frequency adjustment & Level Control & Bass EQ active at 45hz while in LP/BP operation.


The highly engineered Q-Stasis pre-amplifier stage is designed to keep incoming noise from source units at nearly immeasurable levels, dramatically improving quality.

Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

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Was $245.99


Normal Wear & Tear • Power Surges

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Ratings & Reviews

Overall Customer Rating:
100% of customers would recommend this product to a friend (2 out of 2)

Product Features

Classification: Class SQ

Audio Channels: 5

Bridgeable: Yes

Signal to Noise Ratio (SNR): 93 dB

Rated Power @ 2 Ohm: 1 x 350 W, 4 x 90 W

Rated Power @ 4 Ohm: 1 x 200 W, 4 x 60 W

Bridged Power @ 4 Ohm: 2 x 180 W

RMS Output Power: 710 W

Total Harmonic Distortion (THD): 0.1%

Frequency Response: 10 Hz to 45 kHz

Features: 3-way Protection, Bass Boost, DC Offset Protection, Pulse Width Modulation Circuitry

Power Supply: MOSFET

Height: 2.2"

Width: 9.5"

Depth: 18"

Weight (Approximate): 12 lb

Limited Warranty: 1 Year

Overall Customer Rating

(2 Reviews)

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