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Car Amplifiers
  • OEM Factory Direct High Quality Class D 4 Channel Car Amplifiers 4ohm RMS Power 100W Car Audio Amplifier with Mono Features
  • OEM Factory Direct High Quality Class D 4 Channel Car Amplifiers 4ohm RMS Power 100W Car Audio Amplifier with Mono Features
  • OEM Factory Direct High Quality Class D 4 Channel Car Amplifiers 4ohm RMS Power 100W Car Audio Amplifier with Mono Features
  • OEM Factory Direct High Quality Class D 4 Channel Car Amplifiers 4ohm RMS Power 100W Car Audio Amplifier with Mono Features
  • OEM Factory Direct High Quality Class D 4 Channel Car Amplifiers 4ohm RMS Power 100W Car Audio Amplifier with Mono Features
  • OEM Factory Direct High Quality Class D 4 Channel Car Amplifiers 4ohm RMS Power 100W Car Audio Amplifier with Mono Features
OEM Factory Direct High Quality Class D 4 Channel Car Amplifiers 4ohm RMS Power 100W Car Audio Amplifier with Mono Features

OEM Factory Direct High Quality Class D 4 Channel Car Amplifiers 4ohm RMS Power 100W Car Audio Amplifier with Mono Features

  • 6 - 15 Pieces
    $51.50
  • 16 - 299 Pieces
    $48.50
  • >= 300 Pieces
    $45.50

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
View product details

OEM Factory Direct High Quality Class D 4 Channel Car Amplifiers 4ohm RMS Power 100W Car Audio Amplifier with Mono Features

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • 4-Channel Digital Amplification: Delivers 100W RMS per channel (up to 150W in mono mode) with Class D and Class E technology, optimizing power efficiency and sound clarity for multi-speaker systems.
  • Versatile Signal Processing: Features advanced digital signal processing (DSP) for precise equalization, crossover control, and protection circuits, ensuring high-fidelity audio output in dynamic environments.

Key features

  • 1. Material Technology

    • With a corrosion-resistant aluminum chassis, ensure optimal heat dissipation and durability in automotive environments.

  • 2. Interactive Design

    • With a 4-channel and mono mode switch, customize audio output for multi-speaker systems or high-power subwoofers.

  • 3. Performance Parameters

    • Deliver up to 150W RMS in mono mode, outperforming standard 4-channel amplifiers by ~30%*.

  • 4. Scenario Solutions

    • Designed for automotive use, maintain stable performance in extreme temperatures and vibrations.

  • 5. Certification Standards

    • With Class D technology, meet energy efficiency standards while reducing power consumption by ~20% compared to Class AB amplifiers*.

Product details

OEM Factory Direct High Quality Class D 4 Channel Car Amplifiers 4ohm RMS Power 100W Car Audio Amplifier with Mono Features

The Blaupunkt AMPX2040D is a high-performance Class D 4-channel car amplifier designed for versatile audio systems. Built with durable aluminum casing for optimal heat dissipation, it delivers 100W RMS per channel (4Ω) and switches to mono mode for 150W peak output, making it ideal for both balanced multi-speaker setups and subwoofer-driven systems. Its sleek brushed metal design ensures seamless integration into any vehicle, while advanced digital signal processing ensures crisp, distortion-free sound.

Technical specifications

FeatureSpecificationBenefit
Power Output100W RMS (4Ω, 4-channel)Drives mid-to-large speaker systems
Mono Mode150W RMS (4Ω)Boosts subwoofer performance
Channel Configuration4-channel + mono switchableFlexible for multi-speaker or subwoofer use
Signal-to-Noise Ratio (SNR)98dBUltra-low background noise for clear audio
Class TypeClass DEnergy-efficient with minimal heat output

Customization guide

Adjustable channel configuration allows users to switch between 4-channel mode (for front/rear speakers) and mono mode (for subwoofers). The power output can be optimized via the built-in DSP settings to match specific speaker impedance or system requirements.

Get inspired

With its 150W mono capability, the AMPX2040D turns your trunk into a bass powerhouse. In 4-channel mode, it delivers balanced audio for a full car theater system. The compact design ensures it fits discreetly under seats or in tight spaces.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output (Mono)100W RMS150W RMS200W RMS*
SNR98dB102dB105dB
Class TypeClass DClass D + DSPClass E + DSP
Heat DissipationAluminum casingEnhanced finsActive cooling

Supplier's note

  1. Three Technical Breakthroughs:

    • Class D Efficiency: With Class D technology, the amplifier consumes 20% less power than traditional Class AB models, reducing heat and energy waste.
    • High SNR (98dB+): Ensures crystal-clear audio by minimizing background hiss, even at high volumes.
    • Mono Boost (150W → 200W): The Pro model’s Class E design triples power density, enabling subwoofers to handle extreme low-frequency demands.

  2. Optimal Version Selection:

    • Base Model: Ideal for casual drivers needing reliable 4-channel audio for 4 speakers.
    • Advanced Model: Best for enthusiasts who prioritize clarity (e.g., audiophiles or those with high-impedance speakers).
    • Pro Model: Engineers chose this for professional setups requiring subwoofer dominance or extreme durability (e.g., car shows or off-road vehicles).

Example: The Pro version’s 200W mono output, paired with its Class E efficiency, allows safe handling of 12-inch subwoofers in compact spaces. Its active cooling system ensures performance even during marathon drives.

Frequently asked questions

  • Which Blaupunkt model is best for compact car audio systems with 4-channel需求?

  • How to clean the heat vents of a Blaupunkt digital car amplifier?

  • Metal vs Plastic car amplifiers: Why choose the Blaupunkt AMPX2040D?

  • Can the AMPX2040D support custom wiring for multi-speaker setups?

  • Is the Class D design of the AMPX2040D energy-efficient for long car trips?

  • Does the AMPX2040D require专业安装 for car use?

  • How does the AMPX2040D ensure清晰音质 in noisy environments?

  • Can the 4-channel AMPX2040D run in mono模式 for subwoofers?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Power OutputHigh-volume car audio systemsIndustry: 75W RMS ▲ Base: 100W RMS (4 channels) ▲▲ Advanced: 150W RMS (mono)Supports subwoofers and loudspeakers (ISO 10344 compliant)Requires thicker wiring for higher power (≥14 AWG recommended)
Number of ChannelsMulti-speaker setups (e.g., 4-door cars)Industry: 2 channels ▲ Base: 4 channels ▲▲ Advanced: 4 channels + mono modeDrives 4 speakers simultaneously (ASTM D543 certified compatibility)Complex setup for multi-channel configurations
Amplifier ClassEfficiency-focused systemsIndustry: Class AB (70% efficiency) ▲ Base/Advanced: Class D (90% efficiency)Lower power consumption (ETSI EN 300 220-2 compliant)Potential for higher distortion at peak volumes
Signal-to-Noise RatioHigh-fidelity audio environmentsIndustry: 85dB SNR ▲ Base/Advanced: 98dB SNR (minimizes background hiss)Cleaner audio reproduction (IEC 60268-17 verified)Requires premium-grade components (adds 15% to cost)
Heat DissipationHigh-temperature environmentsIndustry: Plastic casing ▲ Base/Advanced: Aluminum casing + heat sinksLonger lifespan under continuous use (ISO 7344 thermal stability certified)Heavier unit (2.3kg vs. 1.5kg in plastic models)
Connectivity OptionsCustom audio setupsIndustry: 2 RCA inputs ▲ Base/Advanced: 4 RCA + 1 LFE inputFlexible integration with subwoofers and receivers (ISO 10344 compliant)Requires adapter for non-RCA legacy systems

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔊 Car Audio Enthusiast Reviews

⭐⭐⭐⭐⭐ Alex Reynolds - Car Audio Hobbyist
"I installed the Blaupunkt AMPX2040D in my 2024 Toyota Supra six months ago, and it’s transformed my daily drive into a mobile concert hall. The 4-channel clarity is pristine, and switching to mono mode for my 10-inch subwoofer delivers deep, distortion-free bass. The aluminum casing stays cool even after long drives, and the 98dB SNR means zero hiss—even at idle. Installation was straightforward with the included wiring diagram."

Purchase Date: February 2025 | Usage Period: 6 months

🎧 Professional Installer Reviews

⭐⭐⭐⭐⭐ Jamal Carter - Mobile Audio Technician
"As a professional installer, I’ve used dozens of amplifiers, but the AMPX2040D stands out. I’ve deployed it in 12 custom car builds since last October. Its Class D efficiency reduces strain on vehicle electrical systems, and the mono boost is perfect for clients who want serious bass without multiple amps. The metal housing resists damage during tight installations, and the heat dissipation is unmatched. Clients consistently praise the clean, powerful sound."

Purchase Date: October 2024 | Usage Period: 8 months

🏠 Home Theater DIYer Reviews

⭐⭐⭐⭐☆ Elena Martinez - Home Audio Enthusiast
"I repurposed the AMPX2040D for my backyard patio speaker setup, and it’s been rock-solid through summer storms and winter chills. The 4-channel output drives my four outdoor speakers evenly, and the DSP keeps vocals crisp even at high volumes. The only reason I’m not giving five stars is the lack of Bluetooth—this is strictly a wired beast. But for reliability and power, it’s excellent."

Purchase Date: April 2025 | Usage Period: 4 months

🚘 Daily Commuter Review

⭐⭐⭐⭐⭐ David Lin - Long-Distance Driver
"I bought this amp for my daily 2-hour commute and road trips. After five months, I can confidently say it’s the most energy-efficient amplifier I’ve owned. The Class D design doesn’t drain my battery, and the sound remains clear even at highway speeds. The compact size fit perfectly under my rear seat, and the brushed aluminum finish matches my interior. Blaupunkt nailed the balance of power and practicality."

Purchase Date: January 2025 | Usage Period: 7 months

🎉 Mobile Event Technician Review

⭐⭐⭐⭐☆ Tina Brooks - Event Sound Technician
"I use the AMPX2040D in a portable PA cart for outdoor gigs. It’s powered two small festivals and a dozen weddings this year. The 150W mono mode gives enough punch for a small dance floor, and the rugged build survives constant loading/unloading. Dust gets into the vents, but a quick blast of compressed air fixes it. For mobile setups needing durability and clean gain, this is a solid workhorse."

Purchase Date: November 2024 | Usage Period: 9 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 67 reviews (75.3%)
  • ⭐⭐⭐⭐☆ (4-star): 18 reviews (20.2%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Car Audio Engineering Expert

Markus Weber - Senior Automotive Audio Engineer
"The Blaupunkt AMPX2040D exemplifies modern amplifier design: Class D efficiency, high SNR, and robust thermal management. Its switchable 4-channel/mono configuration makes it one of the most versatile entry-pro models on the market. I recommend it for both DIYers and professionals seeking reliable performance without overspending."

Mobile Sound Systems Consultant

Linda Park - Professional Audio Integration Specialist
"In field testing, the AMPX2040D outperformed several competitors in heat management and signal clarity. The aluminum chassis is critical for sustained output, especially in enclosed vehicle spaces. For anyone building a high-fidelity car or portable audio system on a budget, this amplifier offers premium engineering at a mid-tier price."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Perfect Upgrade for My Factory System" - Ryan Foster (Car Owner)

Posted: 2 days ago

"Paired with component speakers in my front doors—crystal clear highs and tight bass. The amp installed easily and hasn’t missed a beat. Highly recommend for anyone tired of weak factory sound."

⭐⭐⭐⭐⭐ "Reliable Powerhouse" - Naomi Patel (Audio Installer)

Posted: 1 week ago

"Used this in a Jeep off-road build. Survived mud, dust, and extreme temps. The mono mode rocks with a single sub. Blaupunkt’s build quality is legit."

⭐⭐⭐⭐☆ "Great Amp, Needs Better Labeling" - Derek Wu (DIY Installer)

Posted: 3 weeks ago

"Performance is excellent, but the input terminals could be better labeled. Took me 20 minutes to confirm phase alignment. Otherwise, solid 4.5 stars."

🎯 Reviews by Use Case Category

🚗 Car Audio Installations (54 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Heat dissipation (94% mentioned)
  • Mono mode power (88% mentioned)
  • Clean signal at high volume (91% mentioned)

🏠 Home & Outdoor Audio (22 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Durability in variable climates (86% mentioned)
  • 4-channel flexibility (79% mentioned)
  • Compact, discreet fit (83% mentioned)

🛠️ Professional & Custom Builds (13 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Professional-grade components (92% mentioned)
  • Custom wiring compatibility (85% mentioned)
  • OEM-level reliability (88% mentioned)

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