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(2) Belva BMS12RW with Belva BXD3K

12" Marine Subwoofer With Multicolor RGB Lights + Class-D Monoblock Amplifier with Bass Remote

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• Peak Power: 1000 W
• RMS Power: 400 W
• RGB Lights with Remote
• Waterproof Polypropolene Cone
• Class D 1 ohm Stable Monoblock

Learn more about the bms12rw_2_bxd3k
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List price $429.97
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-40%

$259.95

 with warranty
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Description


Belva brand icon

Authorized dealer

Amplifier Details:

  • BX Series Class D 1 ohm Stable Monoblock Amplifier
  • Power Rating:
    • 4 ohm: 750 watts x 1 channel
    • 2 ohm: 1500 watts x 1 channel
    • 1 ohm: 3000 watts x 1 channel
    • We recommend wiring the two woofers in series/parallel
  • Total Peak power output: 3000 watts
  • Pulse Width Modulated MOSFET power supply
  • LED Power/Protect Light
  • Wired remote bass level control included
  • Soft start turn-on
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Input sensitivity:
    • Low level: 200mV - 8 volts
  • Frequency Response: 10 - 250 Hz
  • Total Harmonic Distortion (THD): 0.05%
  • Signal to Noise Ratio: 96 dB
  • Variable low-pass filter: 50 - 250 Hz
  • Variable Bass Boost: 0 - 18 dB
  • Fuse Rating: 120A
  • 4 AWG gauge power and ground wiring is recommended for installation.
  • Dimensions: 7.48" W x 11.02" L x 2.00" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Subwoofers Details:

  • 12" Dual 4-Ohm Marine Subwoofers
  • Power Handling:
    • Peak: 1000 watts
    • RMS: 400 watts
  • Multi-color RGB lights with wireless remote
  • Polypropolene Cone
  • Butly Rubber Surround
  • Frequency Response: 20 - 200 Hz
  • Sensitivity: 93 dB
  • Subwoofer Grilles Included
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • Priced Individually


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Specifications & Details


Subwoofer Specifications
Woofer Surround
Butyl Rubber
Woofer Composition
Polypropylene
Sensitivity
93 dB
Frequency Response
10 - 250 Hz
Impedance (Per Voice Coil)
4 ohm
Voice Coil(s)
Dual
RMS Power Handling
400 watts
Peak Power Handling
1000 watts
Subwoofer Size
12"
Series
BX Series
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

(2)BMS12RW, BXD3K

Weight:

40.59lbs

Internal SKU:

bms12rw_2_bxd3k

Internal Product ID:

200769

Customer Ratings & Reviews


(2) Belva BMS12RW with Belva BXD3K thumbnail image

5 star
86%
4 star
14%
3 star
0%
2 star
0%
1 star
0%



Durability
4.8
Value
5
Features
4.6
Design
4.4
Usability
4.8

Customer Reviews

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B4YB!!!

The following review is for BXD3K, which is a part of the bundle you are viewing.

At just over 100 bucks you're getting an honest 1300watts rms into 1ohm. I wish amp makers would just say that these days. They're giving away at least 10 watts per dollar these days vs the olden days when 1watt costed around $1.35 and were no where as efficient or compact.

Beware: there's no subsonic filter.

By Gary on March 10, 2022

29 found this helpful


Great product for the price. Definitely recommend..

The following review is for BXD3K, which is a part of the bundle you are viewing.

I was shocked how well it's works. For the price u will definitely be amazed.. I got it hooked up to a 12 inch Memphis mojo in my 96 Yukon. It's sounds really good. People think I have 2 12s instead of 1.

By Reginald on July 28, 2023 Checkmark Icon Verified purchase

27 found this helpful


Impressive handling and response from a Budget Sub

The following review is for BMS12RW, which is a part of the bundle you are viewing.

Right out of the delivery box and into a prefabricated 1.7cuft slotted enclosure with a 120Watts this budget friendly marine rated sub hit some pretty impressive and authoritative lows. Listening to a bass heavy track, 120 watts in 2 Ohm configuration was enough power to rattle the windows of my living room; with a bit of concern (for the windows of course).
I like the clean white woofer with thick quality feeling black rubber surround. the cone has almost a matte/flat finish. to hook up the LED to a 12v source drill a small hole in the terminal plate of the enclosure to run 12v line into the enclosure. drill another hole in the lip of the baffle that aligns with the opening on the woofers mounting lip. epoxy the holes after the +- wires have been routed.

my only gripe is with the placement of a rectangular hole in the rim of the basket for the LED grill power. There is about 1/8th" for contact between the edge of the hole and the seating rim of the sub against the enclosure. a weak spot for sure when generating significant air pressure in a box. though perhaps some removable sealing compound could work to make up for this design quirk.
Note: terminals won't accept 8g wire ferrules.
Overall though, this clean simple sub is one that I feel will last years.
Happy Bassn'!

By Dylan on October 13, 2022 Checkmark Icon Verified purchase

26 found this helpful


The following review is for BXD3K, which is a part of the bundle you are viewing.
By heberto on March 17, 2025 Checkmark Icon Verified purchase

1 found this helpful


Great First experience

The following review is for BXD3K, which is a part of the bundle you are viewing.

I was needing a bigger Amp Facebook directed me to Sonic Electronix sceptical with scams these days but did my research an ordered the Belva BXD3K Amp on Thursday received it Saturday wow that was quick not to mention FREE SHIPPING. This amp exceeded my expectations to the point I have already ordered a new Sub to take advantage of all that power. Very Satisfied Customer

By Kenny on March 23, 2026 Checkmark Icon Verified purchase


The following review is for BXD3K, which is a part of the bundle you are viewing.
By Ryan on September 28, 2025 Checkmark Icon Verified purchase


My go to

The following review is for BXD3K, which is a part of the bundle you are viewing.

Definitely underrated

By Tyler on August 1, 2025 Checkmark Icon Verified purchase



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