Open Box, Great - Infinity Reference 704A 1000 W Peak (400W RMS) Reference Series 4-Channel Amplifier

Shop all Infinity

by Infinity

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

Infinity Reference 704A Open Box (Complete) Image 1 — Infinity Reference 704A Open Box (Complete)

Infinity Reference 704A Open Box (Complete) Image 2 — Infinity Reference 704A Open Box (Complete)

Infinity Reference 704A Open Box (Complete) Image 3 — Infinity Reference 704A Open Box (Complete)

Infinity Reference 704A Open Box (Complete) Image 4 — Infinity Reference 704A Open Box (Complete)

Infinity Reference 704A Open Box (Complete) Image 5 — Infinity Reference 704A Open Box (Complete)

Infinity Reference 704A Open Box (Complete) Image 6 — Infinity Reference 704A Open Box (Complete)

Product highlights

• 70 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 1000 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-ref704a-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-704A 4-Channel Amplifier
RMS Power Rating:

4 ohm: 70 watts x 4 chan.
2 ohm: 100 watts x 4 chan.
1 ohm: ------------N/A------------
Bridged, 4 ohm: 200 watts x 2 chan.

Total power output: 1000 watts
Pulse Width Modulated MOSFET power supply
LED power (green) and protect (red) indicators
Soft start turn-on
4/3/2 or 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-704A 4-Channel Amplifier
4 High-level input wiring harnesses
2 spare fuses
2 2-color brand stickers
Quick start guide

Product history:

	Infinity Reference 704A Open Box (Complete) (newest, current model)
	Infinity Reference 475a (previous model, replaced by Infinity Reference 704A Open Box (Complete))
	Infinity Reference 7541a (previous model, replaced by Infinity Reference 475a)

Specifications & Details

Power Specifications - Full Range Channels

RMS Power @ 4 ohms

70 watts x 4 channel

RMS Power @ 2 ohms

100 watts x 4 channel

Bridged RMS Power

200 watts x 2 channel

Amplifier Specifications

Series

Reference Series

Number of Channels

4-Channel

Total Peak Power Output

1000 watts

Total RMS Power Output

400 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

Yes - with included adapter

Built-in Crossover

Low-Pass (LP)
High-Pass (HP)
Full (AP)

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

Infinity Reference 704A Open Box (Complete) thumbnail image

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:

$80 off other shops and infinity to boot

The following review is for Reference 704A, which is a part of the bundle you are viewing.

I upgraded my 2015 altima with infinity speakers so when this amp was on special it made perfect sense to finish off upgrade with it . Everything I has gotten from Sonic has been great so easy choice

By jeff on April 18, 2018

4 found this helpful

Report abuse

Best 4 channel amp

The following review is for Reference 704A, which is a part of the bundle you are viewing.

This amp is a little monster. It puts out more than enough power. Small and very easy to install. Highly recommend. Thanks Sonic Electronix for always having great deals.

By Jair13 on April 8, 2018

3 found this helpful

Report abuse

Add-ons

Belva BAK44

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

(61)

$49.99

List price $79.99

Subscribe

Welcome to the Team!

Infinity Reference 704A Open Box (Complete)

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