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Nitro BMWX-3884

800W 4-Channel BMWX Series Mosfet Amplifier

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800W 4-Channel Amplifier • Built-in Full/HP/LP Crossovers • Bass Remote Control Included • PWM MOSFET Power Supply • Selectable Bass Boost • 2-Way System Protection Circuitry

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This item has been discontinued


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Product Highlights


800W 4-Channel Amplifier • Built-in Full/HP/LP Crossovers • Bass Remote Control Included • PWM MOSFET Power Supply • Selectable Bass Boost • 2-Way System Protection Circuitry

Description


Nitro brand icon

Authorized dealer

  • BMWX 4-Channel MOSFET Bridgeable Car Amplifier
  • Max Power Rating:
    • 800 watts
  • Pulse Width Modulated MOSFET power supply
  • Wired remote bass level control included
  • LED power (green) and protect (red) indicators
  • Variable bass boost (0-12 dB at 45 Hz)
  • Soft delayed power turn on
  • Tri-mode capability
  • 4/2 Channel operation
  • 2-Way System Protection circuitry (overheat, short circuit)
  • Bypass line output
  • High efficiency die-cast heatsink
  • RCA level inputs
  • Speaker connection terminals
  • Input sensitivity:
    • Low level: 0.2V-6V
  • Built-in full crossover
  • Fixed high-pass filter (250 Hz)
  • Dual variable low-pass filter (45-300 Hz)
  • Frequency response: 20-20,000 Hz
  • Also found as: BMW-3883
  • Dimensions: 11-13/16"L x 9-5/8"W x 2"H
  • 8 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 Manufacturer's warranty

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Specifications & Details


Amplifier Specifications
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
800 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
.05%
Speaker Level Inputs
Yes
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
250 Hz
Low-Pass Crossover Frequency
45 - 300 Hz
Signal-to-Noise Ratio
90 dB
Channel Separation
50 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
Yes
Fuse Rating
25A x 2 
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

BMWX-3884

Weight:

8.00lbs

Internal SKU:

bmwx3884

Internal Product ID:

36769

Product and How-to Videos


Customer Ratings & Reviews


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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.