JBL MA704 (Open-box, Like New)

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control

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• 70 Watts RMS x 4 @ 4 ohms
• 100 Watts RMS x 4 @ 2 ohms
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• 0 to 9 dB Bass Boost
• Weather Resistant and High Performance Marine Amplifier

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Was $429.95 Details
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$249.95

 with warranty

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Description


JBL

Authorized dealer



Compact Size

JBL Marine amplifiers feature a slim chassis and a small footprint to allow for installation in tight spaces. Great for use in powersport applications, ATV, UTV, motorcycles and boats

Selectable Output and Variable Adjustment Crossovers

JBL Marine amps feature selectable all-, high, or low pass crossovers with variable electronic frequency adjustment to allow for fine-tuning multiple system configurations.

High and Low Level Inputs

Speaker-level and low-level inputs let JBL Marine amps integrate with just about any audio input.

JBL MA704

1000W Peak (200W RMS) Marine Series 4-Channel Class-D Amplifier w/ Remote Level Control
Quantity: 1


General Features:

  • JBL Marine MA704
  • Class-D Full Range 4-Ohm Stable 4-Channel Amplifier
  • RMS Power Rating:
    • 4 ohms: 70 watts x 4 chan.
    • 2 ohms: 100 watts x 4 chan.
    • 1 ohm: ------------N/A------------
    • Bridged, 4 ohms: 200 watts x 2 chan.
  • Total power output: 1000 watts
  • CEA-2006 Compliant Amplifier
  • Pulse Width Modulated MOSFET power supply
  • Wired remote bass level control included
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • 4/3/2 channel operation
  • Speaker-level (high-level) inputs
  • Preamp RCA outputs to daisy chain multiple amps
  • 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 OR high-density split-dome convection heat-sink for extreme heat dissipation
  • Input sensitivity: 200mV-20V
  • Frequency Response: 10 - 40000 Hz
  • Total Harmonic Distortion (THD): <1%
  • Signal to Noise Ratio: >85 dB
  • Variable high-pass filter: 32 - 320 Hz, 24 dB/octave
  • Variable low-pass filter: 32 - 320 Hz, 24 dB/octave
  • Variable Bass Boost: 0 to +9 dB bass boost at 50 Hz
  • Fuse Rating: 30A x 2
  • 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.
  • Dimensions: 14-13/16"L x 7-1/2"W x 2-3/8"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

JBL MA704 owner’s manual

Product history:

JBL MA704 (Open-Box) thumbnail
(newest, current model)
JBL MA6004 thumbnail
(previous model, replaced by JBL MA704 (Open-box, Like New))

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
Amplifier Class
D
Number of Channels
4-Channel
Total Peak Power Output
1000 watts
Total RMS Power Output
400 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohms
Fuse Rating
30A x 2 
What is in the box?
Paperwork
User manual
WITB: Amplifiers
Amplifier
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

JBL

Model Number:

MA704 (Open-Box)

Weight:

10.36lbs

Internal SKU:

ma704_obc8

Internal Product ID:

196790

Customer Ratings & Reviews



5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
4
Value
4
Features
4
Design
4.5
Usability
5

Customer Reviews

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I think its Purrty

The following review is for MA704, which is a part of the bundle you are viewing.

I like this amp. on the pseudo test bench this amp seems to be appropriately powered when running a 2ohm load. a bit lack luster with a 4ohm load but then again my test source unit has a very weak signal voltage, so considering that, I'm suspending my final judgement until this lil guy is in its intended application, before rendering final conclusions which will necessitate an update. Going in a Comanche, with a Clarion M-508 as the source unit. Its gonna Rock!
The aesthetics are pleasing. The size foot print and power rating are perfect for my application.
Cons; the plugs to protect the terminal sets screw terminals appear poorly thought out. Strips of rubber with little lug nubs that fit the recesses. I would have appreciated a loss preventative design. Minor gripe really.

By Dylan on November 22, 2022 checkmarkIcon Verified purchase

5

found this helpful.

Great value

The following review is for MA704, which is a part of the bundle you are viewing.

Great value and quick shipping, il buy again from this wesbite.

By Gjon on August 24, 2023 checkmarkIcon Verified purchase

4

found this helpful.

Add-ons


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• 70 Watts RMS x 4 @ 4 ohms
• 100 Watts RMS x 4 @ 2 ohms
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• 0 to 9 dB Bass Boost
• Weather Resistant and High Performance Marine Amplifier

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