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Infinity Reference 5350a

5-Channel Reference Series Amplifier

Infinity
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• Full-Range RMS: 50W x 4 @ 4 ohm, 60W x 4 @ 2 ohm
• Subwoofer RMS: 150W x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• CEA-2006 Compliant
• 12 dB Per Octave Crossovers
• Class D Circuitry
• Dimensions: 9"L x 16-9/16"W x 2-11/16"H

Learn more about the 5350a

Good news and a little bad...

This item has been discontinued

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Product Highlights


• Full-Range RMS: 50W x 4 @ 4 ohm, 60W x 4 @ 2 ohm
• Subwoofer RMS: 150W x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• CEA-2006 Compliant
• 12 dB Per Octave Crossovers
• Class D Circuitry
• Dimensions: 9"L x 16-9/16"W x 2-11/16"H

Description


Infinity brand icon

Authorized dealer

  • Reference Series Class AB 5-Channel Amplifier
  • RMS Power Rating:
    • 4 ohm: 50 watts x 4 chan. + 150 watts x 1 chan.
    • 2 ohm: 60 watts x 4 chan. + 300 watts x 1 chan.
    • Bridged, 4 ohm: 120 watts x 2 chan. (for the 4 channels) + 300 watts x 1 chan.
  • Max power output: 89 watts x 4 chan. + 444 watts x 1 chan. (approx. for sub channel)
  • MOSFET power supply
  • LED power and protection indicators
  • Tuned Bass EQ (0-6 dB bass boost at 50 Hz)
  • DC, overheat, over or under voltage, and short circuit amplifier protection
  • Gold-plated RCA level inputs
  • Variable high-pass filter (32-320 Hz, 12 dB/octave)
  • Variable low-pass filter (32-320 Hz, 12 dB/octave)
  • CEA-2006 compliant amplifier
  • Frequency response: 20-20000 Hz
  • Efficiency: 85 dB
  • Dimensions: 9"L x 16-9/16"W x 2-11/16"H
  • 4-gauge power and ground leads recommended. Contact us for information regarding a discount on a select amplifier kit when purchased together.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Note: The Infinity Reference 5350a no longer includes a bass remote. While the older version of the manual does list that a bass remote is included, Infinity has stopped including bass remotes with this amp.

Product history:

Infinity REF-4555AAM thumbnail
(newest, current model)
Infinity REF-4555A thumbnail
(previous model, replaced by Infinity Reference 4555A (REF-4555A))
Infinity 5350A thumbnail
(previous model, replaced by Infinity Reference 4555A)

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
50 watts x 4 channel
RMS Power @ 2 ohms
60 watts x 4 channel
Bridged RMS Power
120 watts x 2 channel
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms
150 watts x 1 channel
RMS Power @ 2 ohms
300 watts x 1 channel
Amplifier Specifications
Series
Reference Series
Amplifier Class
AB / D
Number of Channels
5-Channel
Total Peak Power Output
800 watts
Total RMS Power Output
540 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1%
Speaker Level Inputs
No
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
32 - 320 Hz
Low-Pass Crossover Frequency
32 - 320 Hz
Signal-to-Noise Ratio
85 dB
Bass Boost
0 - 6 dB
Remote bass/level controller
No
Fuse Rating
40A x 2 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

5350A

Weight:

17.00lbs

Internal SKU:

5350a

Internal Product ID:

10145

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


Infinity Reference 5350a thumbnail image

5 star
57%
4 star
36%
3 star
7%
2 star
0%
1 star
0%



Durability
4.6
Value
4.7
Features
4.7
Design
4.5
Usability
4.8

Customer Reviews

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Good enough amp for the $$

Good entry-level 5-channel amp. I have this behind my Pioneer AVIC-D3 head unit, driving Polk Audio DB691 fronts, DB651 rears and a pair of Rockford Fosgate P3SD412 subs. It's a great amp for this at 'normal' volumes, but doesn't have enough power to really drive the bass at really loud volumes. Overall, an excellent product. The only con is the size - it's kind of large.

By cwd on March 1, 2011

14 found this helpful


Good amp

The amp is very good for a basic setup. the 300 w sub rms is limiting, but quality is solid. does not heat up, as others may mention.

By Neil on June 7, 2009

13 found this helpful


Great sound quality!

I am impressed with the sound quality this amp produces when hooked to my Infinity 6.5" rear, 10" sub and 4x6" front speakers. Wow! I am sold on the quality of Infinity.

By s10 on October 18, 2010

13 found this helpful


best ever

I have owned this unit now for 2 months and all I can say is this equipment is great, just make sure and get it all the air you can, it get hot!
I bought 2 computer fan and it seems to work great.

By buellmc on August 21, 2009

12 found this helpful


nice product

first sonic electronix great customer service!i like this amp i run tweeters mids front & back & one sub & this amp works great.i know its not the loudest system but the over all sound highs & lows & clean sound cant be beat.nice price,good product & easy to install

By bone city on April 4, 2014

11 found this helpful


Great Amp

I bought this amp to replace 3 amps that I used in an active setup. The top end of this amp isnt as great, but the amps this replaced cost considerably more. Thank goodness that I have a 30 band EQ to smooth out the top end. The mid range and sub bass in this amp sounds the same. From what I can hear, this amp makes what it claims if not more.

I do not like the that fact that you cannot bypass the subsection in addition to supplied bass remote not working. Not a huge issue to me though.

The design of the amplifier isnt a strong point in my opinion. The large silver flange on the case is removable and the amplifier looks a bit better. Again, not big issue to me. The "Infinity" logo lights up a pleasant blue, not overly bright, very classy.

I have not had any issues with this amp yet. The amp stays fairly cool in the hatch of my car.

Overall, a great quality amplifier for the money.

By Vin on May 15, 2010

11 found this helpful


Had this amp for a while went out

Had this Infinity for a while it did a good job not clowining on it. It did go out on me had it for a year had it done professionally not a really great amp. wish i would of gone through with a alpine.

By ziggy on December 23, 2010

10 found this helpful


The best

This Amp is great! I have attached to 2ea Alpine 10" and 2 ea apline 6x9 and 2ea 6 1/2 alpine conponets speakers alone with 2 ea 3" alpine and it sounds like a concert hall love this amo

By Stef on July 3, 2009

9 found this helpful


Great Amp

I installed this amp, with 2 10" alpines, 2 6x9 alpines, 2 6.5 alpines comp, and 2 4' alpines my god it bonces my mini off the ground. Just make sure to use at least #4 monster cables to power and ground the unit and you will be very happy.

By buellmc on November 11, 2011

8 found this helpful


Nice Amp

This is a great amp for the money and does what u need it too. I am powering two 10" 400w rockford fosgates and they sound great in my F250 thanks to this amp. its also powering my two rear infinity 5/8" mids and the two front 5/8" infinity mids as well. the adjustable bass knob is a Great feature and comes with a supper long cord for hiding the control just about anywhere. i would buy this amp again if i need another one to do what im doing now. . . If i were u i would buy it!!!

By johnson on April 15, 2009

9 found this helpful




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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.