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Boss R1100M

1100W Max Class A/B Riot Series Monoblock Car Amplifier

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List price $133.00

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Boss R1100M



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General Features:

  • Riot Series Monoblock Class A/B Car Amplifier
  • MAX Power Rating:
    • 2 ohms: 1100 watts x 1 chan.
  • RMS Power Rating:
    • 4 ohms: 250 watts x 1 chan.
  • Wired remote bass level control included
  • Variable Bass Boost 0 to +18 dB
  • Speaker-level (high-level) inputs with signal sensing for automatic turn-on
  • Variable low-pass filter 35-160 Hz
  • 8-gauge power and ground wiring is required for installation
    • Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier
  • Dimensions: 9.13"W x 10.44"L x 2.25"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Power Specifications - Subwoofer Channel

RMS Power @ 4 ohms
The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far. If the final impedance of your speaker(s) or subwoofer(s) equals 4 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound. The 5th channel on these particular amplifiers are usually dedicated for driving subwoofers.
250 watts x 1 channels
Peak Power Output
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage. Often times this maximum is achieved during a brief musical burst, such as a drum accent or low bass hit. Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison. This is the peak power output for the amplifier's 5th channel.
1100 watts x 1 channels

Amplifier Specifications

Amplifier Series
This designates the series of the amplifier. Many amps are available in a litany of different wattage and channel configurations, but maintain consistent features throughout the product line.
Riot (Boss)
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
1 - Mono
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.

1100 watts
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
THD at Rated RMS Power
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
Speaker Level Inputs
Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Low-pass (LP)
Low-Pass Crossover Frequency
The low-pass crossover frequency is typically used for subwoofers. It can be a fixed crossover point or a variable crossover range. A variable low-pass crossover allows you to select a specific crossover point which allows frequencies below the set crossover point to pass, while making frequencies above the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

35 - 160 Hz
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
102 dB
Bass Boost
The objective of the bass boost is to get more kick out of your subwoofer. It is a circuit that emphasizes the lower frequencies at a given point. The bass boost should always be set first before setting the gain. This feature is known for destroying subwoofers and is commonly used incorrectly, so be cautious.
0 - 18 dB
Bass/Gain Remote
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Fan Cooled
A great feature to have if an amp generates a large amount of heat. Cooling fans can help regulate the temperature to prevent the amp from overheating (burning).
Fuse Rating
The amperage and the number of fuse(s) an amp requires.
30A x 1 
CEA-2006 Compliant
Amplifiers that have been tested to meet specific standards. When a car amplifier meets these standards, you can be sure that it will be able to produce the amount of power specified by the official CEA-2006 rating. Usually, these rating consist of the following items:
  • RMS Power
  • Signal-to-Noise Ratio

This rating applies to both external car amplifiers, as well as the amplifiers inside of in-dash stereos.

Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating




October 14, 2014

The Boss R1100M has everything I was looking for to get the sound I had been missing. Awesome, durable amp and a great price.

0 of 0 found this helpful

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Huntsville, AL


September 7, 2014

Does a great job of powering my Rockford Fosgate 10". Doesn't feel cheap at all. Performs like it should. Consistent power and looks great! Definitely a perfect buy for a couple of 12s or 10s. Even better if your just doing a single 10/12!

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Excellent product

August 20, 2014

Installed this to power a 10" sub for my e46 and all I can say is that it has transformed the sound. I would highly recommend this product especially for the value and quality.

0 of 0 found this helpful

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Norfolk, VA

Awesome Amp

August 4, 2014

This amp is simply awesome. I now get the deep base I dreamed for.
The price was affordable. I would most definitely recommend it.

0 of 0 found this helpful

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Houston tx

Great amp

June 22, 2014

It's a great amp, it's in my wife's car pushing two kicker tens and haven't had a problem yet, she loves it and the value was awesome. I payed double for my amp with way less watts.

0 of 0 found this helpful

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Chandler, AZ

Best Bang for your Buck!

May 13, 2014

Great amp works wonders Bass hit hard and good for my R2 rockford fosgate. Easy to use.

0 of 0 found this helpful

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Super cat

Phoenix, az

Great value

April 27, 2014

Low price and powers my polk audio 15' in sealed enclosure just fine glad I got it.

0 of 0 found this helpful

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Iowa, IA

Good Amp

March 9, 2014

I would recommend this to all starters. I have had this amp for over six months now, power two 12's. Each 12 is rated at 300W RMS, and this amp has powered them wonderfully.

0 of 0 found this helpful

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97 F 150

Holiday Fl

Nice amp

February 20, 2014

Actually pushed a 15 pretty hard at 2 ohms, Good amp now i have planet audio 3000.1 and at 2 ohms dosent hit as hard as this Boss 1100

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Great buy, owned for over a year..and still bumping

December 8, 2013

I bought this over a year ago and they are still going strong

powering 2 12in mtx subs. shook my car good. GREAT starter amp. i would buy another. AND THAT PRICE!!!!

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Accessory Tools and Products

Accessories added

NVX XBG3PK 1/0 Gauge OFC Big 3 Upgrade Kit

Comes with everything you need to upgrade your power and ground wire.

Your Price $59.99

Kicker Big 3 Package 1/0 Gauge Big 3 Upgrade Kit

Get all you need including wire cutters to upgrade your power and ground wire.

Your Price $151.99

Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

Your Price $39.99

StreetWires FB8

8 Gauge Firewall Bushing

Your Price $6.95

NVX XDBU4 - Top of the Line!

Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs

Your Price $17.99

Kicker KI24 K-Series RCA Audio Interconnect Cable

4 Meters (13 ft.) 2-Channel K-Series RCA Audio Interconnect Cable

Your Price $16.95

NVX XIV25 V-Series 2-Channel RCA Cable

16.4 ft of V-Series 2-Channel RCA Audio Premium Interconnect Cable with Dual Twisted Pair Hyper-Flex Technology

Your Price $11.99

NVX XWS1625 16 AWG Speaker Wire

25 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

Your Price $13.99

Belva BBSW127 12 AWG Speaker Wire

12 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

Your Price $14.99

Belva BBSW167 16 AWG Speaker Wire

16 Gauge 7 Meter (23 Ft) Speaker Wire (CCA)

Your Price $12.99

SMD DD-1 Distortion Detector

Set the gain of an audio amplifier quickly and accurately

Your Price $149.99

Scosche SPL Meter SPL1000F

Handheld boomSTICK measures your SPL range from 60 to 135 dB

Your Price $21.99

Browse 3 questions and 8 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
The price was hard to beat for the specs of the amp. Free shipping!
Ryan B on Nov 21, 2014
Plenty items to choose from,prices are competitive
raymond m on Sep 11, 2014
I picked this amp because it fits great with my 12" JBL sub!
John-Arne N on Nov 20, 2014
Great reviews and price
Wesley S on Aug 22, 2014
Would you recommend this to power a single Infinity Reference 12" 1260w or 1262w?
Aaron H on Aug 23, 2014
Best Answer: Hello Aaron,

We would Not recommend this amp. This is because it RMS rating at 4 ohms is only 250 watts x 1. Which means you would Have to go with the Infinity Reference 1260W, but then it will be underpowered by 50w RMS. In this power range you definitely want to squeeze out as much as possible. Here are a few better recommendations, that will require the Infinity Reference 1260W;
Reply · Report · Customer SStaff on Aug 24, 2014
· Add Answer · I Have This Question Too (0)
would this be a good amp to match a pair of Kicker 10C124's?
Hunter B on Aug 20, 2014
Best Answer: Hello Hunter,

We are not confident in this amp being able to power your Two Kicker C124 (10C124). The manufacture fails to give us a Proper RMS Rating at 2ohms - which is what a pair of Kicker C124 (10C124) will be wired to in Parallel - so we will be hard pressed in suggesting this amp. We suggest one of the following instead:

Soundstream P1.600D


Rockford Fosgate P300X1
Reply (1) · Report · Customer SStaff on Aug 20, 2014
· Add Answer · I Have This Question Too (0)

Product Summary


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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Boss R1100M

  • Boss Riot Series Car Amplifiers
  • How to Install a Car Amplifier