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Belva BXA6404

640W Peak BX-Series Class A/B 4-Channel Car Audio Amplifier

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• 80 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total Peak Power: 640 watts
• Class A/B 2 ohm Stable 4-Channel-Channel

Learn more about the bxa6404
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List price $199.99
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Product Highlights


• 80 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total Peak Power: 640 watts
• Class A/B 2 ohm Stable 4-Channel-Channel

Description


Belva brand icon

Authorized dealer

Belva 2 Ohms 4 Channel Amplifier
High And Low Level Input Bass EQ, Power Circuitry, Power Output Selectable Crossover Modes
Mosfet Class AB Amplifier

Product Details:

  • BX Series Class A/B 2 ohm Stable 4-Channel-Channel Amplifier
  • Peak Power Rating:
    • 4 ohm: 80 watts x 4 channel
    • 2 ohm: 160 watts x 4 channel
    • Bridged, 4 ohm: 320 watts x 2 channel
  • Total power output: 640 watts
  • Pulse Width Modulated MOSFET power supply
  • LED Power/Protect Light
  • Speaker-level (high-level) inputs
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Input sensitivity:
    • Low level: 200mV - 8 volts
  • Frequency Response: 10 - 30,000 Hz
  • Total Harmonic Distortion (THD): 0.05%
  • Signal to Noise Ratio: 96 dB
  • Variable high-pass filter: 80 - 1,200 Hz
  • Variable low-pass filter: 50 - 250 Hz
  • Variable Bass Boost: 0 - 18 dB
  • Fuse Rating: 50A
  • 8 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
PDF IconBelva BXA6404 owner’s manual

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Specifications & Details


Power Specifications - Full Range Channels
Peak Power @ 4 ohms
80 watts x 4 channel
Peak Power @ 2 ohms
160 watts x 4 channel
Bridged Peak/Max Power
320 watts x 2 channel
Amplifier Specifications
Series
BX Series
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
640 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Frequency Response
10 - 30,000 Hz
THD at Rated RMS Power
0.05%
Speaker Level Inputs
Yes - with included adapter
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
80 - 1,200 Hz
Low-Pass Crossover Frequency
50 - 250 Hz
Signal-to-Noise Ratio
96 dB
Bass Boost
0 - 18 dB
Remote bass/level controller
No
Fuse Rating
25A x 2 
Total Fuse Rating
50A
Strappable
No
Sonic Certified Amplifier
No
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
200mV - 8 volts
What is in the box?
Paperwork
User manual
WITB: Amplifiers
Amplifier
Wired gain knob (wire attached)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

BXA6404

Weight:

5.62lbs

Internal SKU:

bxa6404

Internal Product ID:

184155

Product and How-to Videos


Customer Ratings & Reviews


Belva BXA6404 thumbnail image

5 star
89%
4 star
11%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
4.7

Customer Photos & Videos


Customer Reviews

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Great Budget Amp

I wired this amp to four 6.5 speakers. It’s really worth the money. I bought a truck and the factory amp was out. I went ahead and used my Infinity 6.5 and bought a pair of Polk 6.5 paired with the Belva amp. Sounds Great!

By Christopher on March 27, 2022 Checkmark Icon Verified purchase

45 found this helpful


great price, great quality

Ordered this in a pinch and it came quick! the price was great and product worked great too!

By Danielle on July 18, 2022 Checkmark Icon Verified purchase

37 found this helpful


Great Budget Amp

I wired this amp to four 6.5 speakers. It’s really worth the money. I bought a truck and the factory amp was out. I went ahead and used my Infinity 6.5 and bought a pair of Polk 6.5 paired with the Belva amp. Sounds Great!

By Christopher on March 27, 2022

36 found this helpful


Great Product Value

I needed to replace an old amp in my vehicle and didn't want to spend a lot of money. this Belva amp has fit the bill nicely. it sound great and gives the power I need for the system. it is perfect for what I needed it for. I would definitely recommend buying it.

By SCOTT on June 20, 2023 Checkmark Icon Verified purchase

33 found this helpful


New 4 channel

A nice looking amp not to small but just the right size good power

By Peat on August 28, 2022

31 found this helpful


Nice reasonably 4 channel amp works well in my truck pushing a pair 6.5 an a pair of 6x8 sound pretty amazing an the shipping was great . I have been purchasing my car audio from here since 2004 good products

By Edward on July 29, 2024 Checkmark Icon Verified purchase

7 found this helpful


Great budget amp

Perfect amp to add some more small speakers

By Kevin on May 22, 2024 Checkmark Icon Verified purchase

3 found this helpful


By Charles on April 13, 2025 Checkmark Icon Verified purchase


By William on April 7, 2025 Checkmark Icon Verified purchase




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