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JL Audio 4-Channel Marine Amplifier with Bluetooth Receiver and Control Knob

400W Marine 4-Channel Class D Full-Range Amplifier + Universal Bluetooth Receiver & Controller Knob

JL Audio
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• 400W RMS
• Preamp RCA outputs
• 3-Way System Protection Circuitry
• Variable High/Low-Pass Filter
• Remote Bass Level Input
• Total Amplifier Efficiencies Exceed 80%
• iPhone, Android & Bluetooth Device Ready
• One Knob Controls it all – Track, Pause & Volume
• Flush in Dash or Under Dash Mounting options
• Add-on to any Radio or Device with AUX input

Learn more about the m4004_xubt3

We apologize

This item has been discontinued


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Description


JL Audio brand icon

Authorized dealer

JL Audio M400/4

400W Peak Marine M Series 4-Channel Class D Full-Range Amplifier
Quantity: 1

Product Features

  • M Series 4-Channel Class D Amplifier
  • RMS Power Rating (14.4V):
    • 4 ohm: 75 watts x 4 chan.
    • 2 ohm: 100 watts x 4 chan.
    • Bridged, 8 ohm: 150 watts x 2 chan.
    • Bridged, 4 ohm: 200 watts x 2 chan.
  • RMS Power Rating (12.5V):
    • 4 ohm: 60 watts x 4 chan.
    • 2 ohm: 90 watts x 4 chan.
    • Bridged, 8 ohm: 120 watts x 2 chan.
    • Bridged, 4 ohm: 180 watts x 2 chan.
  • NexD technology features unsurpassed efficiency
  • Pulse Width Modulated MOSFET power supply
  • Remote bass level input (JL Audio HD-RLC required and sold separately)
  • LED power (green) and protect (red) indicators
  • Soft Start Turn-on
  • 4/3/2 channel operation
  • Total amplifier efficiencies exceed 80%
  • Advanced Thermal Rollback System completely eliminates annoying thermal shut-down events
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Studio-grade signal processing with fully variable crossover filters
  • Differential input circuitry effectively combats alternator whine and other noises created by boat systems
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Silver-plated RCA level inputs
  • Silver-plated screw terminals
  • Input sensitivity:
    • Level: 100mV-4V
  • Variable high-pass filter: (50-500 Hz, 12 dB/octave Butterworth)
  • Variable low-pass filter: (50-500 Hz, 12 dB/octave Butterworth)
  • Damping factor: >150 @ 4 ohm per chan./50 Hz
  • Frequency response: 12-22,000 Hz
  • Dimensions: 8-1/2"L x 7-1/8"W x 2-1/16"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

PDF icon JL Audio M400/4 owner’s manual

NVX XUBT4 Universal Bluetooth Receiver and Remote Control

X Series Marine Grade Bluetooth Audio Controller/Receiver with Membrane Switchpad for Cars, Trucks, Motorcycles, ATVs & Boats (X-Series)
Quantity: 1

General Features:

  • X Series Marine Grade Bluetooth Audio Controller/Receiver
  • Control your music from any source unit with line-level/auxiliary inputs
  • Can connect directly to an amplifier to use as a source unit/receiver
  • Designed for marine and powersports applications
  • Ideal for small watercraft, motorcycles, ATV's and other utility vehicles
  • 1/8" Stereo Jack Connection
  • Includes 1/8" - RCA Adapter
  • Frequency Response: ~ 20 Hz - 18 kHz (±1dB)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Bluetooth Features:

  • Built-in Bluetooth technology for audio streaming
  • Bluetooth version 4.0
  • Bluetooth Profile: A2DP audio streaming
  • Delivers CD-like sound quality wirelessly
  • Connection ranges approximately 35ft.*
*Actual range will vary based on installation

NVX XUBT4 Manual


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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
75 watts x 4 channel
RMS Power @ 2 ohms
100 watts x 4 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
200 watts x 2 channel
Amplifier Specifications
Series
M Series
Amplifier Class
D
Number of Channels
4-Channel
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
1.0%
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
50 - 500 Hz
Low-Pass Crossover Frequency
50 - 500 Hz
Signal-to-Noise Ratio
>104 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fuse Rating
40A x 1 
Amp Bluetooth Connectivity
Yes
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

XUBT3,M400/4

Weight:

7.50lbs

Internal SKU:

m4004_xubt3

Internal Product ID:

137733

Customer Ratings & Reviews


JL Audio 4-Channel Marine Amplifier with Bluetooth Receiver and Control Knob thumbnail image

5 star
93%
4 star
0%
3 star
7%
2 star
0%
1 star
0%



Durability
4.8
Value
4.9
Features
4.8
Design
4.9
Usability
4.9

Customer Photos & Videos


Customer Reviews

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The best

The following review is for XUBT4, which is a part of the bundle you are viewing.

Great service great product no problems...very capable service on top of every product answer questions with more then enough info .nice and caring

By Angel on May 16, 2016

74 found this helpful


Awesome product

The following review is for XUBT4, which is a part of the bundle you are viewing.

I modified it to fit my Harley Electra Glide. I love it. It automatically connects to my phone in my pocket. I fire up the bike and push play.

By Jay on March 22, 2017

66 found this helpful


Works great!

The following review is for XUBT4, which is a part of the bundle you are viewing.

Bought this to replace former stereo in side by side and works great! Sound is clear and crisp even at full volume.

By Lynn on August 13, 2020 Checkmark Icon Verified purchase

63 found this helpful


Works Wonderfully

The following review is for XUBT4, which is a part of the bundle you are viewing.

Works like it's suppose to on my Motorcycle. Have it wired straight to two mini NVX 4 channel amps.

By New York on January 24, 2017 Checkmark Icon Verified purchase

69 found this helpful


NVX XUBT4 Universal Bluetooth Receiver and Remote Control

The following review is for XUBT4, which is a part of the bundle you are viewing.

The remote control I bought works great for what I got it for.

By Jeffrey on June 22, 2020 Checkmark Icon Verified purchase

62 found this helpful


Nvx xubt4

The following review is for XUBT4, which is a part of the bundle you are viewing.

Nice product works really well is a little bigger than I Anticipated.

By Kyle on April 24, 2020 Checkmark Icon Verified purchase

61 found this helpful


Great product at a good price

The following review is for XUBT4, which is a part of the bundle you are viewing.

Great product and the price is real good. Loud and real clear soo far it's been through one rain storm and its still going

By Emmanuel on October 29, 2016 Checkmark Icon Verified purchase

62 found this helpful


One year review

The following review is for XUBT4, which is a part of the bundle you are viewing.

Some good and bad with this. I have had this unit in a saltwater environment for around a year so I feel this is a fair test. I am very diligent about cleaning my boat and the connections are in a water resistant area, but no place on a boat is truly dry unless it is sealed. I have seen the extra humidity alone wreak havoc on electronics.

Positives

First off love the compact size. Makes it very easy to mount. Love the cost, yes it is a simple unit and shouldn't have a huge price tag but for the Sonic Electronix price it is very appealing. It looks very clean. Connection has been very consistent across several different phones. No corrosion within any of the connections is evident!! Huge plus here. Sonically, it delivers what I would want from this type of unit. No shortcomings, weird sounds, static, etc.

Negatives

Some of the functions of my unit disappeared within the first month of operation; however, due to the accessibility of the installation I have just worked around these minor inconveniences. Power does not power off the unit. I had to wire a separate switch on my boat to handle this function. Pause and track forward/back does not work with any of my sources so you have to break out the phone to handle this. It does turn the volume up and down but you have to rapidly push the buttons and it eventually works, so I generally just pull out the phone again.

All in all, I like the unit but it does have some shortfalls. Losing some functionality is difficult. Once the volume buttons are gone, all functionality will be gone. I would appreciate more positive feedback from the buttons as most of the time I am moving when trying to use them (volume only now) I'm going to replace this season, thinking of trying the JL but at 80 dollars more than this one, might just replace with another one of these and hope for a better experience.

By Trey on June 1, 2022 Checkmark Icon Verified purchase

53 found this helpful


Great product!

The following review is for XUBT4, which is a part of the bundle you are viewing.

Paid this with the NVX VADM2 - good value; easy to use... the connection 3.5 jack is a bit problem if it gets bumped alot it causes distortion put dialectic grease and tape it up move to a location that wont get bumped around.

Other wise Volume control on the controller doe snot control the volume on phone like most BT's do so turn your BT device up all the way then use this to control actual volume to amp.

I mounted mine on my Can am as shown below.

By Jonathan on April 5, 2022 Checkmark Icon Verified purchase

53 found this helpful


Sounds great

The following review is for M400/4, which is a part of the bundle you are viewing.

Extremely easy hook up and sounds great. small enough to fit perfectly behind back seat in my 06 Silverado extended cab

By Mike on August 13, 2012

33 found this helpful




No picture

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