Welcome to our website! As we have the ability to list over one million items on our website (our selection changes all of the time), it is not feasible for a company our size to record and playback the descriptions on every item on our website. However, if you are an American with a disability we are here to help you. Please call our disability services phone line at (540) 786-2777 during regular business hours and one of our kind and friendly personal shoppers will help you navigate through our website, help conduct advanced searches, help you choose the item you are looking for with the specifications you are seeking, read you the specifications of any item and consult with you about the products themselves. There is no charge for the help of this personal shopper for any American with a disability. Finally, your personal shopper will explain our Privacy Policy and Terms of Service, and help you place an order if you so desire.

Riot 400W 4 Channel Full Range, Class A/B Amplifier Dimensions 7.75"L 9"W 2"H

Boss Audio MR1004

This item is currently on display in our gallery!

Features

  • 2 Ohm Stable
  • Class A/B
  • Fully Marinized
  • High and Low Level Inputs

Quick Specs

  • Type: Amplifiers
  • Width: 9"
  • Height: 2"
  • Depth: 7.75"
  • Energy Star Rated: No

See More

 
Image Feature

2 Ohm Stable

The lowest impedance accepted by this amplifier is 2 ohms. Amplifiers that are 2 ohms stable produce more power resulting in more volume. This amp can comfortably power speakers or subwoofers with all channel(s) being used at a load of 2 ohms.

Image Feature

Class A/B

Class A/B amplifiers have long been known for their ability to produce great quality sound while performing more efficiently than pure Class A amplifiers. We have developed a specific linear circuitry that further reduces distortion while increasing both sound quality and power output.

Image Feature

Fully Marinized

Fully Marinized is the term we use for our Marine and Outdoor products that are Weather Proof. We integrate high-tech, state-of-the-art waterproofing materials plus special UV coatings for plastic surfaces, coated circuit boards and connections to protect the product against the harsh outdoor elements and resist corrosion.

Image Feature

High and Low Level Inputs

An amplifier with both high-level and low-level inputs provides flexibility by allowing you to build an audio system using virtually any standard factory or aftermarket source unit. High-level (speaker level) inputs accept the signal from the speakers, while low-level (RCA) inputs accept the signal from the pre-amp outputs of the source unit.

Image Feature

Protection

If the amplifier gets too hot, the thermal protection circuit turns the amp off and allows the amp to cool down before turning it back on. If a speaker fails causing an electrical short, the protection circuit will automatically cut the output and remain in that state until the short is resolved. These safety features give you peace of mind knowing the amplifier is constantly monitoring conditions to protect itself.

Image Feature

Variable Gain Control

Variable Gain Control lets you balance the amps output with the speakers or subs the amp is driving. To much gain will lead to distortion and to little will lead to clipping.

2 Ohm Stable The lowest impedance accepted by this amplifier is 2 ohms. Amplifiers that are 2 ohms stable produce more power resulting in more volume. This amp can comfortably power speakers or subwoofers with all channel(s) being used at a load of 2 ohms.

Class A/B Class A/B amplifiers have long been known for their ability to produce great quality sound while performing more efficiently than pure Class A amplifiers. We have developed a specific linear circuitry that further reduces distortion while increasing both sound quality and power output.

Fully Marinized Fully Marinized is the term we use for our Marine and Outdoor products that are Weather Proof. We integrate high-tech, state-of-the-art waterproofing materials plus special UV coatings for plastic surfaces, coated circuit boards and connections to protect the product against the harsh outdoor elements and resist corrosion.

High and Low Level Inputs An amplifier with both high-level and low-level inputs provides flexibility by allowing you to build an audio system using virtually any standard factory or aftermarket source unit. High-level (speaker level) inputs accept the signal from the speakers, while low-level (RCA) inputs accept the signal from the pre-amp outputs of the source unit.

Protection If the amplifier gets too hot, the thermal protection circuit turns the amp off and allows the amp to cool down before turning it back on. If a speaker fails causing an electrical short, the protection circuit will automatically cut the output and remain in that state until the short is resolved. These safety features give you peace of mind knowing the amplifier is constantly monitoring conditions to protect itself.

Variable Gain Control Variable Gain Control lets you balance the amps output with the speakers or subs the amp is driving. To much gain will lead to distortion and to little will lead to clipping.

Features

  • 2 Ohm Stable
  • Class A/B
  • Fully Marinized
  • High and Low Level Inputs
  • Protection
  • Variable Gain Control
General Specs
Channel Configuration 4 Channel
Amp Topology Full Range, Class A/B
Performance Specs
Total Power Output 400 Watts
Peak Power @ 2 100 Watts x 4
Peak Power @ 4 50 Watts x 4
RMS Power @ 2 75 Watts x 4
RMS Power @ 4 38 Watts x 4
Speaker Impedance 2 to 8
T.H.D. (Total Harmonic Distortion) 0.01 %
Channel Separation 60 dB
S/N Ratio (A-Weighted) 90 dB
Frequency Response 12 Hz to 22 kHz 1 dB
Connections, Controls, and Processing
RCA Inputs 4 Channel
High Level Inputs YES
Thermal/Overload/Short Protection YES
Extra Features
Weatherproof
Measurement
Width 9"
Height 2"
Length 7.75"

Quick Specs


  • Appearance

  • Type: Amplifiers

  • Dimensions

  • Width: 9"
  • Height: 2"
  • Depth: 7.75"

  • Features

  • Energy Star Rated: No

User Manual in English

Get Adobe Reader

* Documents require Adobe Reader.

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Extended warranties are usually very inexpensive and can save you thousands in the future. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Electronics can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.