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Massive Audio BLX44

690W Max (240W RMS) Bluetooth, Water and Dust Proof Nano Blu Class-D 4-Channel 2 Ohm Stable Amp

Massive Audio
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• 120 Watts RMS x 4 @ 4 ohm
• 240 Watts RMS x 2 @ 2 ohm
• 480 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 960 Watts
• CTA-2006 Compliant
• Bluetooth Capable with Separate Dongle
• Conformal Coating Protects Against Water, Dust, Heat
• 8.5" L x 4.25" W x 1.6" H

Learn more about the blx4

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This item has been discontinued

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Product Highlights


• 120 Watts RMS x 4 @ 4 ohm
• 240 Watts RMS x 2 @ 2 ohm
• 480 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 960 Watts
• CTA-2006 Compliant
• Bluetooth Capable with Separate Dongle
• Conformal Coating Protects Against Water, Dust, Heat
• 8.5" L x 4.25" W x 1.6" H

Description


Massive Audio brand icon

Authorized dealer

General Features:

  • Massive Audio Nano Blu Series BLX4 Amplifier
  • Class-D Full Range 2-Ohm Stable 4-Channel Amplifier
  • Bluetooth control available with Massive Audio UBT-1 dongle (sold separately)
  • Conformal coating protects against water, dust and extreme heat
  • RMS Power Rating:
    • 4 ohm: 120 watts x 4 chan.
    • 2 ohm: 240 watts x 4 chan.
    • 1 ohm: ------------N/A------------
    • Bridged, 4 ohm: 480 watts x 2 chan.
  • Total power output: 240 watts
  • CTA-2006 Compliant Amplifier
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • 4/2 channel operation
  • Speaker-level (high-level) inputs
  • 5-way protection circuitry (thermal, overload, and speaker short protection)
  • Dual speaker terminals simplify the hookup of multiple speakers
  • Heavy duty aluminum alloy heat-sink
  • Frequency Response: 10 - 25,000 Hz
  • Total Harmonic Distortion (THD): .03%
  • Signal to Noise Ratio: >90dB
  • Variable high-pass filter: 20 - 500 Hz
  • Variable low-pass filter: 20 - 300 Hz
  • External Fuse Rating: 50 A x 1, sold separately
  • 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: 4.25"W x 8.5"L x 1.6"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
Check out the Massive Audio BLX4 Owner's Manual

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
120 watts x 4 channel
RMS Power @ 2 ohms
240 watts x 4 channel
Bridged RMS Power
480 watts x 2 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
4-Channel
Total Peak Power Output
960 watts
Total RMS Power Output
480 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
.03%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
20 - 500 Hz
Low-Pass Crossover Frequency
20 - 300 Hz
Signal-to-Noise Ratio
>90 dB
Remote bass/level controller
No
Fuse Rating
50A x 1 
Total Fuse Rating
50
Amp Bluetooth Connectivity
Yes
What is in the box?
Paperwork
User manual
Warranty/Registration card
Power certification
Brand sticker/decal
WITB: Amplifiers
Amplifier
Mounting screws (4)
High-level input wiring harness w/ molex connector
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

BLX44

Weight:

7.50lbs

Internal SKU:

blx4

Internal Product ID:

92021

Product and How-to Videos


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

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