Open Box, Great - Infinity Reference 551A 1300W Peak (550W RMS) Reference Series Monoblock Amplifier

Shop all Infinity

by Infinity

About
Specs & Details
Reviews
Add-ons
Recently Viewed
Related Searches

Infinity Reference 551A Image 1 — Infinity Reference 551A

Infinity Reference 551A Image 2 — Infinity Reference 551A

Infinity Reference 551A Image 3 — Infinity Reference 551A

Infinity Reference 551A Image 4 — Infinity Reference 551A

Infinity Reference 551A Image 5 — Infinity Reference 551A

Infinity Reference 551A Image 6 — Infinity Reference 551A

Product highlights

• 370 Watts RMS x 1 @ 4 ohm
• 550 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1300 Watts
• Variable Bass Boost: 0 to +9 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Frequency Response: 32 - 320 Hz

Learn more about the ls-ref551a-obc10

Description

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

General Features:

Infinity Reference Series REF-551A Monoblock Amplifier
RMS Power Rating:

4 ohm: 370 watts x 1 chan.
2 ohm: 550 watts x 1 chan.
1 ohm: ------------N/A------------

Total power output: 1300 watts
Pulse Width Modulated MOSFET power supply
LED power (green) and protect (red) indicators
Soft start turn-on
Mono channel operation
High and Low level speaker inputs
3-way protection circuitry (thermal, overload, and speaker short protection)
Dual speaker terminals simplify the hookup of multiple speakers
Heavy duty aluminum alloy heat-sink for extreme heat dissipation
Slim and compact chassis provides more installation options
HALOsonic mixing input
Frequency Response: 32 - 320 Hz
Signal to Noise Ration: >80 dB
Total Harmonic Distortion (THD): <1.0%
Phase: 0 - 180°
Variable Bass Boost: 0 to +9 dB
Fuse Rating: 30 A x 2
4 - 8 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
Authorized Internet Dealer
1-year Manufacturer's Warranty

What's Included

1 REF-551a amplifier
2 High-level input wiring harnesses
2 spare fuses
2 2-color brand stickers
Quick start guide

Product history:

	Infinity Reference 551A (newest, current model)
	Infinity Reference 1600A (previous model, replaced by Infinity Reference 551A)
	Infinity 611A (previous model, replaced by Infinity Reference 1600A)
	Infinity 610a Reference Series (previous model, replaced by Infinity 611A)

Specifications & Details

Power Specifications - Subwoofer Channel

RMS Power @ 4 ohms

370 watts x 1 channel

RMS Power @ 2 ohms

550 watts x 1 channel

Amplifier Specifications

Series

Reference Series

Amplifier Class

Number of Channels

1 - Mono

Total Peak Power Output

1300 watts

Total RMS Power Output

550 watts

Maximum Input Gauge Size

4 AWG

Minimum Impedance Unbridged

2 ohm

THD at Rated RMS Power

<1.0%

Speaker Level Inputs

Yes

Low-Pass Crossover Frequency

32 - 320 Hz

Signal-to-Noise Ratio

>80 dB

Bass Boost

0 - 9 dB

Fuse Rating

30A x 2

Warranty and Return Policy

Parts Warranty Duration

1 year

Labor Warranty Duration

1 year

Warranty Provider

Manufacturer

Customer Ratings & Reviews

Overall rating distribution

5 star		100%
4 star		0%
3 star		0%
2 star		0%
1 star		0%

Filter by Star Rating

Show only Verified Purchases

By feature average rating

Durability		5
Value		5
Features		5
Design		5
Usability		5

Customer Reviews

Sort by:

great amp

The following review is for REF-551AAM, which is a part of the bundle you are viewing.

great little AMP pushes my 2 10in subs well sounds good

By mike on April 4, 2018 Checkmark Icon

Verified purchase

5 found this helpful

Report abuse

Add-ons

Belva BAK42

Complete 2-Channel CCA 4 Gauge Amp Kit with RCA Cables and Speaker Wire

(169)

$34.99

List price $59.99

Subscribe

Welcome to the Team!

Infinity Reference 551A

We apologize

This item has been discontinued

Description

General Features:

What's Included

Product history:

Specifications & Details

Item Details

Customer Ratings & Reviews

Customer Reviews

Related Searches

Are you sure you want to clear your garage?

This page was not designed for products.

Didn't find your car?

Account

Shopping help

Company

Everyday heroes

Brand stores

Useful links