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BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo

4.4 4.4 out of 5 stars 12,859 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Car Mono Amplifiers by BOSS Audio Systems

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Purchase options and add-ons

Item dimensions L x W x H 9.13 x 10.44 x 2.25 inches
Manufacturer BOSS Audio Systems
Mounting Type Car Mount
Brand BOSS Audio Systems
Number of Channels 1

About this item

  • Power - 1100 Max x 1 @ 2 Ohms, 550 Max x 1 @ 4 Ohms
  • Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
  • Mosfet Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
  • Low & High Level Inputs - A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers
  • Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction
  • Switchable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it
  • Variable Input Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier

Additional Details

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BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo

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This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.


From the manufacturer

R1100M
R1100M

Ramp up the bass with the BOSS Audio Systems R1100M Class A/B Monoblock Amplifier. With 1100 Watts Max Power and MOSFET power supply, this amplifier takes your vehicle's audio system to the next level.

Customize the sound with Variable Low Pass Crossover, Bass Boost and Remote Subwoofer Control.

Amplifiers in the Riot Series are perfect for first time car audio buyers looking to add bass, enhanced sound, and performance to their system

  • Class A/B, Monoblock, MOSFET power supply
  • 1100 watts @2-ohms x 1 max, 550 watts @4-ohms x 1 max
  • High & low level inputs, soft turn on circuit, thermal overload speaker and short protection
  • Power & protection LEDs, variable low pass crossover 35–160 Hz
  • Variable bass boost 0–18 dB, variable gain control, impedance 2–8 ohms
  • THD @ RMS output: ˂0.01%, S/N Ratio 102 dB, frequency response 9 Hz–50 kHz
  • Fuse quantity (1) 30 amp ATO blade, dimensions 9.1” x 10.4” x 2.3”, weight 5.8 lbs.
  • Remote subwoofer control

MOSFET Power Supply

Class A/B

2 Ohm Stable

High and Low Level Inputs

MOSFET Power Supply

Metal Oxide Semiconductor Field-Effect Transistors quickly switch from full to non-conduction for high-efficiency output.

Class A/B

Our Class-A/B amplifiers feature specific linear circuitry that increases sound quality and power output while reducing distortion and improving efficiency.

2 Ohm Stable

2-Ohm stable comfortably powers speakers or subwoofers when in use at 2-Ohms, resulting in more power and volume.

High and Low Level Inputs

High-level inputs accept speaker output signals and low-level inputs accept pre-amp output signals to allow for the addition of amps and processors to standard factory or aftermarket source units.

Fixed Low Pass Filter

Switchable Bass Boost

Short Protection

Variable Gain Control

Variable Low Pass Filter

Variable low-pass filter gives you control over the frequencies that pass through to the subwoofer.

Switchable Bass Boost

Switchable Bass Boost allows you to boost the low bass +18db.

Short Protection

Automatic shut-off protects the amplifier if it gets too hot or if speakers fail causing a short.

Variable Gain Control

The Variable Input Control allows the amplifier input to match the output signal from the head unit to achieve optimum performance when adjusted properly.

What's in the box

  • Boss Audio R1100M Riot 1100-Watt Monoblock
  • Class A/B 2-8 Ohm Stable Monoblock Amplifier
  • Remote Subwoofer Level Control
  • High Input Cable With Connector
  • Instruction Manual
  • Mounting Screws
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    BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo
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    Price-42% $76.99
    List:$133.00
    $91.99-20% $63.99
    List:$79.99
    $88.00$83.99$19.99
    Delivery
    Get it as soon as Monday, Jun 17
    Get it as soon as Tomorrow, Jun 12
    Get it as soon as Monday, Jun 17
    Get it as soon as Monday, Jun 17
    Get it as soon as Tuesday, Jun 18
    Customer Ratings
    Sound quality
    4.1
    3.6
    4.1
    4.0
    3.7
    4.1
    Value for money
    4.0
    3.6
    4.2
    4.1
    3.8
    3.9
    Durability
    4.3
    2.8
    3.7
    Remote Control
    3.6
    3.6
    3.6
    Easy to install
    4.6
    4.1
    4.2
    Sold By
    Speece, Inc.
    Spreetail
    LEIGE
    PSB Retail
    24 HOURS STOP
    Amazon.com
    number of channels
    1
    2
    4
    4
    2
    voltage
    16 volts
    15 volts
    12 volts
    mounting type
    Car Mount
    Surface Mount
    Surface Mount
    Surface Mount
    Surface Mount
    Surface Mount

    Product guides and documents


    From the brand

    Looking for specific info?

    Product information

    Warranty & Support

    Product Warranty: For warranty information about this product, please click here. [PDF ] User Manual for R1100M Manual [PDF ]

    Feedback

    BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo

    BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo


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    Product Description

    Shift your audio experience up a gear with the Boss Audio Riot R1100M Class A/B Monoblock Amplifier. This powerful 2-Ohm stable amplifier features 1100 Watts Max Power with a MOSFET power supply to rock your tunes. Customize the sound with Variable Low Pass Crossover and Bass Boost. Tweak the Bass and feel the vibes with the Remote Subwoofer Control. Amplifiers in the Riot Series are perfect for first time car audio buyers looking to add Bass, enhanced sound and performance to their system at an affordable price. Drive up the beat with the Boss Audio R1100M.


    For further product details, please scroll down.

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    We don’t use a simple average to calculate the overall star rating and percentage breakdown by star. Our system gives more weight to certain factors—including how recent the review is and if the reviewer bought it on Amazon. Learn more
    12,859 global ratings

    Customers say

    Customers like the quality, value, performance, sound quality and ease of installation of the electronic component amplifier. For example, they mention it's well built, produces constant power and sound, and is easy to install.

    AI-generated from the text of customer reviews

    984 customers mention749 positive235 negative

    Customers like the quality of the electronic component amplifier. They mention that it's reliable, solid, and well built. Some say that the amp is durable and lasts a long time.

    "...It took me parts of three days to do the install, but it was fun, I learned a lot, and I do quality work (even if I do say so myself)...." Read more

    "...the job done if u need something to hold you over .. still creates a boom worth playing.. songs may vary and pairing it with 12s is as low as I’d go..." Read more

    "...For just a mono block amp this is very well built using good materials and sounds amazing. Very well done." Read more

    "...The amp is over powered for the sub, so I have to turn the amp down some, reducing the work load of the amp, and it's in 4 ohm so that dramatically..." Read more

    869 customers mention805 positive64 negative

    Customers are satisfied with the value of the electronic component amplifier. They mention that it is a great amp on a budget, it thumps and good for the price. Some say that it produces nice clean power.

    "...heat and it’s easy to put it into protect mode but overall great quality for the price .. gets the job done if u need something to hold you over ....." Read more

    "This amp is definitely worth the money. It pumps bass decent and sounds great. But it’s not 1100 watts! More like 300 or 400...." Read more

    "...a 12 in sub hooked to it and it makes the speaker hit hard the price is good and I have ran the amp for hours without it overheating and shutting..." Read more

    "...I am very happy with the value and price of this Amp and the clear sound I hear." Read more

    795 customers mention666 positive129 negative

    Customers like the performance of the electronic component amplifier. They say it works well, is powerful, and works perfect for their set up. Some mention that it has never had an issue.

    "...34; Murder Love Remix." Now everything seems to be going great, everything sounds and looks good...." Read more

    "It works well but it does produce a lot of heat and it’s easy to put it into protect mode but overall great quality for the price .. gets the job..." Read more

    "...No wire splicing, super easy to take out later and worked well for me...." Read more

    "...So I took a shot in the dark got this amp and it is working really great. Happy customer" Read more

    625 customers mention513 positive112 negative

    Customers like the sound quality of the electronic component amplifier. They mention that it sounds great, has amazing bass, and produces constant power and sound. Some say that it produces some of the sweetest lows.

    "...I am amazed at the quality of the sound. The bass is amazing and it's almost like having a new truck. I highly recommend these components." Read more

    "...Love Remix." Now everything seems to be going great, everything sounds and looks good...." Read more

    "...a mono block amp this is very well built using good materials and sounds amazing. Very well done." Read more

    "...With its powerful output and reliable performance, it enhances the bass of your car's audio system to new heights...." Read more

    228 customers mention221 positive7 negative

    Customers find the installation of the electronic component amplifier to be easy. They mention that the quality is great, it's simple to hook up, and the compact design makes it easy to install in any vehicle. The installation went smooth, and it'll be easy to place.

    "...The wiring harness kit was pretty simple. The order is Kenwood wiring harness-->adapter kit from Amazon-->factory connections in my truck...." Read more

    "...The size of the amp made it easy to screw to the back of the 10 inch subwoofer box. It's made for a pretty clean install...." Read more

    "...The compact design makes it easy to install in any vehicle, while the built-in low-pass filter ensures optimal sound quality...." Read more

    "...The install is really easy and straight forward, with no special components needed. I guess I'm saying, I'd buy it again!" Read more

    129 customers mention126 positive3 negative

    Customers are satisfied with the appearance of the electronic component amplifier. For example, they mention it looks good, has a superb brushed metal finish, and the lighted Boss logo looks slick. Some say it's great to change the style of your car audio.

    "...Very well done." Read more

    "Looks nice and is pretty good quality it would seem.It was too small to adequately run my 10” sub but seemed good otherwise." Read more

    "...Over all the amp looks very nice (in my opinion) all the adjustments are accurate and work great...." Read more

    "...The illuminated boss logo is nice and an easy way to tell if the amp is on. Made it easy to tell if the remote wire was working or not...." Read more

    224 customers mention155 positive69 negative

    Customers are mixed about the power of the electronic component amplifier. Some mention that it provides enough power to let their free air 8" sub rattle things inside the car, while others say that it does not actually put out 1000 watts, the power ratings are probably a little high, and that it simply cannot put out that much power.

    "...The amp gets a crystal clear signal and handles the high output levels very well." Read more

    "...With its powerful output and reliable performance, it enhances the bass of your car's audio system to new heights...." Read more

    "...So yeah do not buy this boss amplifier clearly is very misleading wattage you will only be singing ( car radio ) from twenty one pilots" Read more

    "...of 1100 watts at 2 ohms, this monoblock amplifier delivers plenty of power to drive subwoofers and enhance the bass in your car audio system...." Read more

    152 customers mention76 positive76 negative

    Customers are mixed about the heat of the electronic component amplifier. Some mention that it doesn't get overheated and has a protection system built in, while others say that it runs a little warm and gets hot to the touch. They also say that the amp does not give much cooling space and the wires are a bit thin.

    "...need to make sure you find a good ground, i did and this amp does not overheat at all, also, i have this set up in my extended cab in my ranger so..." Read more

    "It works well but it does produce a lot of heat and it’s easy to put it into protect mode but overall great quality for the price .. gets the job..." Read more

    "...But overall its been a good amp, never really gets to hot. Not very big so it fit behind my seat perfect to...." Read more

    "...My only concern is this thing gets pretty warm. It has an aluminum outer body but no external heat dissipation fins...." Read more

    Just what i was looking for!
    5 Stars
    Just what i was looking for!
    First of all, this amp sounds nice. I have it paired with the Rockford R2 Prime 12 inch Sub in a sealed BBox . Correctly tune this bad boy and you will have a system that bumps in your car, while not disturbing the public. If you are into sound quality and just want to add that low end to your music, this amp does the trick, bit dont buy this if your are trying to win sound competitions. If you buy this, Amazon will show you that other people have bought the Boss 8 gauge wiring kit...dont do it! The kit is not as good as this amp. This amp requires an 8 gauge wire, but the boss kit is not true to gauge. If you buy their 8 gauge kit, you will get a power wire that is 12 gauge after you strip the insulation. This is dangerous, so dont do it. I ordered the boss kit and immediately return it and went to walmart and spent 25 bucks on a scosche 8 gauge kit that uses 100 percent copper and true 8 gauge. Get your wiring right and learn how to properly tune an amp and you will have good result...make sure to look for a sub that is rated at least 250 watts RMS at 4 ohms and it will sound nice and wont burn down your car.Update: I forgot to mention the bass boast feature on here. Generally, they say dont turn this on, but on this amp you might have to to get that punch. I am running a 4 ohm sub with and rms of 250w. in order for me to get 250 rms output from the amp, i had to switch on bass boost so that i could achieve that voltage i needed from the output of the amp, with is 31.6 volts. The math is simple. decide how many watts you wanna run....in my case its 250w. You multiply this by the ohm of your sub....for me its 4 ohms...so 250 x 4 = 1000. Then take the square root of 1000 which equals 31.6 V . Next,download a 50hz test tone from the internet and put it on your phone, mp3 player or cd. Next turn your gain on your amp all the way down, and if you have the bass knob installed, turn this all the way up. Disconnect the sub from the amp. Using a multimeter, put your leads on the amp output and set your meter to AC voltage. Go back to the head unit and play the 50 hz test tone and turn it up on your head unit until you get distortion, then back it off so its clean again....or turn it up 3/4 of the way. Go back to the amp and adjust the gain on your amp amd look at your voltage on your meter, turn it until you reach your target voltage based on the math above.For most people, they will need to turn on bass boost to achieve a high enough voltage from the output of the amp. with out bass boost, the voltage is too low and youll be likely underpowering the sub. I hope this helps someone who is looking at this amp. like i said this amp is wonderful, if you know how to tune it and get it to output your watts you need.
    Thank you for your feedback
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    Reviewed in the United States on May 22, 2024
    Color: BlackVerified Purchase

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    Josh Martens
    5.0 out of 5 stars Love it!!
    Reviewed in Canada on May 25, 2024
    Color: SilverVerified Purchase
    Kabojam
    5.0 out of 5 stars BOSS Audio Systems R1100M-S - Si levanta el bajo
    Reviewed in Mexico on May 3, 2024
    Color: SilverVerified Purchase
    Alex
    5.0 out of 5 stars Affordable amp that works well!
    Reviewed in Canada on January 2, 2024
    Color: BlackVerified Purchase
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    Alex
    5.0 out of 5 stars Affordable amp that works well!
    Reviewed in Canada on January 2, 2024
    I can’t find anything I dislike about this amp. Puts plenty of power out for what I need. Lights up blue when it’s working! It’s affordable and gets the job done, the bass controller is a nice addition! I paired it with this cheap 10” sub and it’s perfect
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    José R.
    5.0 out of 5 stars Lo volvería adquirir
    Reviewed in Mexico on August 18, 2023
    Color: BlackVerified Purchase
    Rasmus S.
    5.0 out of 5 stars Good bang for buck!
    Reviewed in the United Kingdom on May 14, 2024
    Color: BlackVerified Purchase