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Access Technologies 300-watt 4-channel Outdoor Patio/Marine Audio Amplifier

by Access Technologies
Today: $258.20
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ITEM#: 1123435

Give your outdoor patio or boat an audio boost with this amplifier from Access Technologies. Designed to withstand the rigors of the sea, this amp will provide crystal clear sound in your backyard or on your boat.

Features include:
  • Titanium-plated aluminum chassis
  • Triple chrome-plated end panels with full gaskets to keep out water spray
  • PCB and components are fully conformal coated to protect from corrosion
  • Transformer and heavy components are securely mounted to PCB
  • Fully regulated power supply guarantees full power even under extreme conditions
  • Gold-plated connections
  • Top control crossover
  • Line in/out function
  • Low level output sum of 4 channel inputs
  • Class AB circuitry
  • Military spec. audiophile grade components
  • High efficiency MOSFET power supply
  • Multi-stranded power poroidal transformers
  • IRFZ44 MOSFET transistors
  • High efficiency bipolar output transistors
  • Oversized capacitor bank
  • Gold-plated input and output connectors
  • Variable high pass and low pass electronic crossover
  • Simultaneous mono/stereo operation capability
  • Internally bridgeable
  • 5-way protection circuitry
  • Bass Boost

For state-specific electronic recycling and disposal information, please click here.


Number of Input Channel 4
Dimensions 15.75 in. L x 9.5 in. W x 2.125 in. H
Warranty 1 year limited -- Manufacturer
Model Number MAA-4300
Country of Origin United States

Product Reviews

Questions & Answers

  • is this AC power ready? Does it have more than one input? So I can run low end in as well as a connection to my iphone?

    • Unfortunately this item is out of stock, and we do not have inventory to check.

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Shipping & Returns

Standard Return Policy for Electronics:

The items must arrive at our warehouse within 30 days of purchase. You must return items in their original condition to qualify for a full refund. We will issue a partial refund of up to 70 percent if returned items have been opened, used, or returned late. More Details

Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.

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