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Amplifier Board High Quality Rms Power 120W 12V HiFi High Power Subwoofer Amplifier Board Car Audio Amp Player

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Quality Audio Amplification: Delivers 120W RMS power at 12V, optimized for subwoofer systems to produce deep, clear bass in car audio setups.
  • Dual-Class Operation (AB/E): Combines Class AB’s fidelity and Class E’s efficiency, ensuring versatile performance for both high-fidelity audio and energy-efficient operation.
  • Integrated Equalizer: Built-in EQ settings enable customizable sound profiles to adapt to diverse listening preferences and environments.

Key features

  • 1. Corrosion-Resistant Metal Heatsink & Durable FR-4 PCB

  • With a corrosion-resistant metal heatsink and high-quality FR-4 PCB, maintain optimal performance in automotive environments. Durable construction outperforms plastic-based alternatives*, ensuring longevity in harsh conditions.

  • 2. Built-In Multi-Band Equalizers for Custom Sound Tuning

  • With built-in multi-band equalizers, customize sound profiles for tailored audio experiences. Advanced tuning capabilities compared to basic amplifiers*, allowing precise control over bass and clarity.

  • 3. 120W RMS Power with Hybrid Class AB/E Efficiency

  • With 120W RMS power and Class AB/E hybrid operation, deliver powerful, distortion-free output while optimizing energy efficiency. Outperforms single-mode amplifiers in both power and efficiency*, ideal for high-demand audio setups.

  • 4. Optimized for Automotive Subwoofer Systems

  • Designed for automotive subwoofer systems, ensuring deep bass and reliability in vehicle environments. Ideal for continuous operation in demanding audio setups*, with a 100dB signal-to-noise ratio for crystal-clear sound.

  • 5. Automotive-Grade Safety & Performance Compliance

  • Complies with automotive-grade safety and performance certifications, ensuring compatibility with vehicle electrical systems*. [*Disclaimer: Certifications subject to manufacturer confirmation].

Product details

Amplifier Board High Quality Rms Power 120W 12V HiFi High Power  Subwoofer Amplifier Board Car Audio Amp Player

The High Quality RMS Power 120W 12V HiFi Subwoofer Amplifier Board is a mono-channel car audio amplifier designed for high-fidelity sound reproduction. Built with a robust FR-4 PCB and a heat-dissipating metal heatsink, it delivers 120W RMS power at 12V, making it ideal for subwoofers and high-performance car audio systems. Its Class AB/Class E hybrid design balances efficiency and power output, while a 100dB signal-to-noise ratio ensures pristine audio clarity.

Technical specifications

FeatureSpecificationBenefit
RMS Power120W @ 12V DCDrives subwoofers with dynamic bass response
Channel Configuration1 channel (Mono)Optimized for focused low-frequency output
Signal-to-Noise Ratio≥100dBWith a 100dB SNR, you can enjoy crystal-clear audio without background noise
Efficiency ClassHybrid Class AB/Class ECombines linear audio quality with energy-saving efficiency
Thermal ManagementAluminum heatsink integratedDissipates heat effectively for stable operation under load
CompatibilitySupports equalizer integrationCustomizable tone shaping via built-in EQ features

Customization guide

Adjustable parameters include gain levels and equalizer presets to tailor bass response to specific subwoofer setups. The PCB layout allows component swaps (e.g., capacitor values) for impedance matching in custom car audio configurations.

Get inspired

Enhance your car’s audio system with this high-power amplifier. Whether you’re upgrading a stock stereo or building a competition-grade sound system, its 120W RMS output and thermal resilience ensure deep, distortion-free bass in even the most demanding environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
RMS Power120W138W (+15%)156W (+30%)
Efficiency85%90%95%
Thermal PerformanceStandard heatsinkEnhanced airflowActive cooling*

Supplier's note

  1. Technical Breakthroughs:

    • Hybrid Class AB/E Design: Balances the linear audio fidelity of Class AB with the energy efficiency of Class E.
    • 100dB SNR: Achieved through optimized component placement and shielding, reducing interference for audiophile-grade clarity.
    • Integrated Heatsink: Aluminum substrate design improves heat dissipation by 40% compared to standard PCBs, enabling continuous high-power operation.
  2. Version Selection Guide:

    • Base Model: Ideal for standard car audio setups requiring reliable 120W performance. Its mono configuration suits most subwoofer applications.
    • Advanced Model: Choose for systems needing +15% power boost (e.g., dual subwoofers) and improved efficiency for long drives.
    • Pro Model: Designed for audiophiles and competition setups. The +30% power output and active cooling enable stable operation at peak loads, paired with high-impedance subwoofers for maximum impact.

*Active cooling requires external fan installation.

Frequently asked questions

  • Which car audio amplifier board is best for powering a subwoofer in a compact vehicle?

  • How do I maintain the heatsink on a high-power car amplifier board?

  • What’s the difference between Class AB and Class E amplifiers for car audio systems?

  • Can this amplifier board be customized for multi-channel setups?

  • Is the PCB material of this amplifier board heat-resistant for continuous use?

  • Does the 120W RMS amplifier board meet noise reduction standards for car audio?

  • What materials are used in the construction of this high-power amplifier board?

  • Is this amplifier board compatible with aftermarket car audio systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
RMS Power OutputPowering subwoofers in vehiclesIndustry: 100WBase: 120W▲ (12V input)Advanced: 150W▲▲ (enhanced cooling)
Signal-to-Noise RatioQuiet environments (e.g., audiophile cars)Industry: 85dBBase: 100dB▲ (reduces background hiss)Advanced: 105dB▲▲ (ISO 10344 compliant)
Amplifier EfficiencyLong-duration music playbackIndustry: Class AB (70% efficiency)Base: Hybrid AB/E▲ (75% efficiency)Advanced: Class E▲▲ (85% efficiency)
Thermal ManagementHigh-temperature environments (e.g., off-road)Industry: Passive heatsinkBase: Enhanced heatsink▲ (reduces temps by 15°C)Advanced: Active cooling▲▲ (25°C reduction)
Total Harmonic DistortionHigh-fidelity audio systemsIndustry: 1% THD+NBase: 0.5%▲ (IEC 60268-3 compliant)Advanced: 0.3%▲▲ (audiophile-grade)
Channel ConfigurationMulti-speaker setupsIndustry: Mono (standard for subwoofers)Base: Mono▲ (optimized for sub frequencies)Advanced: Mono + 2-channel▲▲ (dual-purpose)

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