TORO TECH – MR3, 1000 Watts MAX – 500 Watts x 1 RMS 1Ω Stable Micro Sized Monoblock Car Amplifier Sound Quality Class D Design, Built-in Auto Sensing Turn On, Car Amplifier
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Dec 22 – Dec 29
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Size: MR3 - 800 watts max, 1Ω
Features
- POWERFUL MICRO AMPLIFIER This tiny amplifier produces 800 Watts x 1 RMS @ 1 Ohm 2000w MAX power. This 1-ohm stable amp and is CTA Compliant to guarantee true rated power. It utilizes a MOSFET power supply and high-quality SMD parts for high output and increased stability. Built-In Auto Sensing Turn-On Function (Hi-Inputs) for vehicles or without RCA Inputs.
- AMPLIFIER FOR VEHICLES WITH LIMITED SPACE This powerful car audio amplifier comes in handy for installations that are limited on space and it is the perfect choice for motorcycles speakers and power-sports vehicles.
- FEATURES The MR3 features variable Low Pass Crossovers for system flexibility. Variable gain control and remote level control port for an optional controller. amazing Sound Quality Class-D Design Micro-Sized Car Mono Amplifier.
- SPECS With amazingly tiny dimensions6.46 x 1.69 x 3.07 MR3 packs a punch with value-added features like Selective Bass Boost EQ for fine-tuning, MOLEX Speaker Harness and Self-Diagnostic Protection Circuit with LED Status Indicator for; Impedance Over-load, Stereo Speaker Short Circuit, Thermal Overheating, and DC Output Variable. Freq. Response 10Hz - 220Hz, RCA Voltage 200mV ~ 10V, Bass EQ 0dB ~ 12dB.
Item dimensions L x W x H: 10.13 x 4.14 x 3.3 inches
Voltage: 10 Volts
Manufacturer: Toro Tech
Maximum Supply Voltage: 14.5 Volts
Minimum Supply Voltage: 14.5 Volts
Product Dimensions : 10.13 x 4.14 x 3.3 inches; 2.45 Pounds
Item model number : MR3
Date First Available : April 28, 2021
Manufacturer : Toro Tech
Best Sellers Rank: #189,518 in Electronics (See Top 100 in Electronics) #394 in Car Mono Amplifiers
#394 in Car Mono Amplifiers:
Customer Reviews: 4.1 4.1 out of 5 stars (247)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Dec 22 – Dec 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: R5 - 4000 watts max, 1Ω
Ohh SNAP! This is a great AMP for the money! Lots of power and compact.
Reviewed in the United States on October 16, 2025 by stephen
Size: MR2 - 1000 watts max, 1Ω
I have not installed yet, so I’ll update after I do. Appears to be incredibly well built and of higher quality than its price point. I can’t wait to install and hear it. UPDATE: I’ve had this mini monster installed on a single Audio Legion 12” 2 ohm DVC sub, bridged to 1 ohm mono for over a year now. Trust me when I say this thing is impressive for its size. I’m not “nice” to it by any means, and this thing takes it like a champ. I’m an ex “Pro-class” IASCA competitor and have had amps from all the old school giants that cost 5 times what this little guy does that didn’t hold up this well for this long. I honestly think I’ve found my new favorite budget friendly audio brand.
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Reviewed in the United States on December 5, 2020 by Michael Rentfro
Size: R4 - 2500 watts max, 1Ω
I ordered this to go with a single C.A.B ultra 12 I received as a surprise me package and use them as a back up to my Zv5 12 thats coming in tomorrow and Pure Audio 3000.1 which in being replaced by a wolfram O series 5000.1 when it comes out in August. I came across a ad on FB for this company and checked them out. The 2 big things that helped persuad me was first the price ... i was a little skeptical at first because it was low low and second was the honesty on the RMS of the amp. Most companies over size and push the peak power with huge numbers and if they even do post rms its not close to true . Toro puts wattage at each ohm and i believe it could be true. I have not hooked it up yet or the sub. But I do like how the amp looks, how it was packaged. I will do a update after i hook it up and play it for couple days.
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Reviewed in the United States on June 22, 2020 by Eric Eric
Size: MR2 - 1000 watts max, 1Ω
For the money and size, you will NOT do better. I am pleasantly surprised with the clarity and power these little things provide. Needed a small footprint for the Jeep, and these fit the bill. I usually don't write reviews, but had to come here and share my experience. Running the Mr2 @ 1ohm to a Alpine Type R 2 Ohm DVC in a truck "Q bomb" box in the back of a jeep wrangler and it sounds amazing. I also have the Mrx2 running 4 Polk Dbs at 2 ohm per channel and the clarity and power is also shocking to me for the size. Also...neither are remotely hot running for 10 mins at almost full volume. Great job Toro! I'm a fan.
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Reviewed in the United States on February 11, 2021 by Chris Click
Size: MR2 - 1000 watts max, 1Ω
Item was supposed to come with Molex connector for speakers. It did not made my day very difficult.
Reviewed in the United States on October 6, 2025 by Twisted Tim
Size: MR2 - 1000 watts max, 1Ω
This little thing is an absolute monster.. In my girls car I had a Skar Rp1200.1 pushing a single 8" CT Sounds Tropo. The sub was wired to 4 ohms so the Skar was putting 500 w rms to it. I swapped it out for this little Toro and rewired the sub to 1 ohm and it sounds amazing. I am amazed at what this little amp is doing to that 8" sub. I liked this amplifier so much that I decided to buy two Toro Force 8" subs to put in my own car. This is the new up and coming name in car audio!!!
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Reviewed in the United States on June 7, 2020 by Corey Reeves Corey Reeves
Size: MR2 - 1000 watts max, 1Ω
I had to have a small sized amp because I was replacing a factory amp and wanted to put it in the same spot in the car. This amp can put out some major bass and is easy to install. I love listening to music in my car now, thanks to adding this amp and a sub!
Reviewed in the United States on September 14, 2023 by Richard Defee
Size: MR2 - 1000 watts max, 1Ω
Got this hooked up to 2 skar audio 8's at 1 ohm and it beats them up. Amp gain is only turned up 1/3 big power for such a small amp. Definatly buying another one
Reviewed in the United States on May 9, 2022 by Roknroy Roknroy