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Infinity Reference 1211a

Class D Monoblock Amplifier (REF1211A)

Infinity
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1516 watts max • Supports remote subwoofer control • • MOSFET power supply • Preamp outputs • Dynamic Base Optimizer

Learn more about the 1211a

We apologize

This item has been discontinued

Product Highlights


1516 watts max • Supports remote subwoofer control • • MOSFET power supply • Preamp outputs • Dynamic Base Optimizer

Description


Infinity brand icon

Authorized dealer

  • 1516 watts max monoblock subwoofer amplifier
  • Supports remote subwoofer control
  • RMS Power Rating:
    • 4 ohms, 854 watts x 1 chan.
    • 2 ohms, 1300 watts x 1 chan.
  • Peak power: 1516 watts x 1 chan. @ 2 ohms
  • MOSFET Power Supply
  • Preamp Outputs
  • Dynamic Bass Optimizer
  • Dimensions: 18-1/2" L x 12" W x 2-11/16" H
  • 1-year SonicElectronix.com warranty

Product history:

Infinity 1211A thumbnail
(newest, current model)
Infinity 1210A thumbnail
(previous model, replaced by Infinity Reference 1211a)

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
854 watts x 1 channel
RMS Power @ 2 ohms
1300 watts x 1 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
Not Bridgeable
Amplifier Specifications
Number of Channels
1 - Mono
Total Peak Power Output
1516 watts
Total RMS Power Output
1300 watts
Minimum Impedance Unbridged
2 ohms
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
< 1%
Preamp Outputs
Yes
Low-Pass Crossover Frequency
32 - 320 Hz
Signal-to-Noise Ratio
72A dB
Bass Boost
Dynamic Bass Optimizer
Remote bass/level controller
Optional, Sold Separately
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

1211A

Weight:

18.00lbs

Internal SKU:

1211a

Internal Product ID:

8015

Product and How-to Videos


  • Harman International: The Pursuit of Great Sound
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews



5 star
83%
4 star
17%
3 star
0%
2 star
0%
1 star
0%



Durability
4.9
Value
5
Features
4.5
Design
4.2
Usability
4.7

Customer Reviews

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Great AMP

This amp is great for the price. It's the best amp I have owned but, it is quite big. I use it with 2 pioneer and The bass is amazing!

By Claes on December 20, 2007

4

found this helpful.

KILLER BASS AMP!!!

This was my very first time using an Infinity amp other than the one that came in my car as the factory sound system. I must say you cannot go wrong with this brand!!! The Infinity 1211A IS A MONSTER BASS AMP THIS THING PUSHES SUBS LIKE THEY ARE PAPERWEIGHTS. I have this Class D Infinity 1211A Subwoofer amp pushes two 15" Alpine Type R dual 2 ohm version wired series parallel to get a 2 ohm mono load and I am afraid to even turn the bass boost on!! These subs are moving so much with gain at only a quarter way up, low pass set at 80 hz, (DBO set at 20 hz and 0 bass boost)!!! Reminds me alot of my old kicker 1500.1 at half the price, BUT SAME POWER & PERFORMANCE!!!

PROS: VERY EFFICIENT, UNDERRATED, POWERFUL, LOUD, AND PUSHES ANY SUBS TO THE LIMIT!!

CONS: DOESN'T HAVE ANY!!!

By 155THINF on February 6, 2012

3

found this helpful.

great amp

This amp is great for the price. I have owned audiobahn and alpine amps. I will admit I am an Infinity guy, but this amp pushes my solo baric L7 to the limits. The bass is amazing, and the quality is good. no humming whatsoever

By John on July 13, 2007

3

found this helpful.

Get it while you can.

For the money you can't beat the power/performance. It's only real downfall is the 12 db per octive crossover and the fact you cannot find anywhere to buy the wired remote. Just be carefull you don't blow your subs with this. There aren't many subwoofers that can take this much power.

By Jacob on July 13, 2007

3

found this helpful.

AMP IS GREAT FOR PRICE

i have two L5's hooked up with this amp..i have them in the back of a 03 tahoe with a custom box from tweeters (2 cu. ft. each.) and its great ..my whole car shakes...a screw from my roof already fell....i have not yet "broke them in yet" and they are still loud..DEF BUY THIS AMP

By sergio on October 12, 2007

2

found this helpful.

Why doesnt everyone get one of these

Oh my woofers this is a very powerful amp that doesnt draw much power. It is powering my 2 Infinty 12.1 perfects at a 2 Ohm load. Gains set extremely low and deck sub setting is down -2db. I wish they would package the sub level control with it as noone seems to have it.

By brian on July 13, 2007

2

found this helpful.

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