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  • New Original integrated circuit STK4231II ZIP FOR BOM List In-stock Intergrated Circuits BOM LIST STK4231 Original STK4221
  • New Original integrated circuit STK4231II ZIP FOR BOM List In-stock Intergrated Circuits BOM LIST STK4231 Original STK4221
  • New Original integrated circuit STK4231II ZIP FOR BOM List In-stock Intergrated Circuits BOM LIST STK4231 Original STK4221
  • New Original integrated circuit STK4231II ZIP FOR BOM List In-stock Intergrated Circuits BOM LIST STK4231 Original STK4221
  • New Original integrated circuit STK4231II ZIP FOR BOM List In-stock Intergrated Circuits BOM LIST STK4231 Original STK4221
New Original integrated circuit STK4231II ZIP FOR BOM List In-stock Intergrated Circuits BOM LIST STK4231 Original STK4221

New Original integrated circuit STK4231II ZIP FOR BOM List In-stock Intergrated Circuits BOM LIST STK4231 Original STK4221

  • 1 - 99 Pieces
    $2.69
  • 100 - 999 Pieces
    $2.40
  • >= 1000 Pieces
    $0.98

Customization:

PCB（Min.Order: 100 pieces）
View product details

New Original integrated circuit STK4231II ZIP FOR BOM List In-stock Intergrated Circuits BOM LIST STK4231 Original STK4221

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Stereo Amplification: The STK4231 II is a dual-channel stereo amplifier IC designed to amplify audio signals for high-quality output in left and right audio channels.
  • Integrated Circuit Design: Combines all essential components into a compact 28-pin module, enabling seamless integration into electronic systems with minimal external components.

Key features

  • 1. Durable Material Construction

    • With a corrosion-resistant metal/plastic casing, protect electronic components from environmental stress and ensure long-term reliability in rugged or indoor settings.

  • 2. Seamless Connectivity Design

    • With a 28-pin grid interface, easily integrate the module into complex circuits or audio systems for stable power and signal transmission, simplifying installation.

  • 3. High-Performance Stereo Amplification

    • With dual-channel stereo amplification, deliver balanced audio output to left and right speakers simultaneously, enhancing clarity and volume for demanding applications.

  • 4. Versatile Scenario Adaptability

    • With compatibility for home stereo systems, car audio setups, and professional equipment, address diverse use cases requiring high-fidelity sound reproduction.

  • 5. Industry-Standard Compliance

    • With adherence to electronic component safety and performance benchmarks*, ensure reliable operation in critical applications.

Product details

New Original integrated circuit STK4231II ZIP FOR BOM List In-stock Intergrated Circuits BOM LIST STK4231 Original STK4221

The STK4231 II stereo amplifier integrated circuit (IC) module delivers high-performance audio amplification in a compact, durable design. With dual-channel capability and a 28-pin configuration, it supports seamless integration into home stereos, car audio systems, and professional audio equipment. Its black plastic/metal casing ensures robust protection, while its integrated design minimizes space requirements.

Technical specifications

FeatureSpecificationBenefit
Dual-Channel Output28-pin configuration, stereo amplificationWith independent left/right channels, you can achieve balanced audio distribution.
MaterialBlack plastic/metal casingWith a durable enclosure, you can protect the module from environmental stress.
Power EfficiencyOptimized for low-power consumptionWith energy-efficient operation, you can reduce heat generation in compact devices.
CompatibilityStandard pin layout for audio systemsWith universal pin alignment, you can easily integrate it into existing circuits.

Customization guide

Adjustable parameters include power supply voltage (to match system requirements) and gain settings (to optimize audio output levels). For specialized applications, customize thermal management solutions to ensure stable performance in high-heat environments.

Get inspired

The STK4231 II’s integrated design and dual-channel capability make it ideal for creating immersive audio experiences. Whether upgrading a car stereo system or designing a home theater setup, this module ensures crisp, distortion-free sound across both channels.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output2W/ch @ 4Ω+15% (2.3W/ch)+30% (2.6W/ch)*
Thermal PerformanceStandard coolingEnhanced heatsinkActive cooling
Signal-to-Noise Ratio70dB75dB80dB

Supplier's note

  1. Three Technical Breakthroughs:

    • Dual-Channel Integration: The STK4231 II’s compact design combines two amplifiers on a single chip, reducing board space by 20% compared to discrete solutions.
    • High Efficiency: Its optimized circuitry achieves 85% power efficiency, 15% higher than traditional stereo amps.
    • Wide Voltage Range: Operates from 4.5V to 18V, accommodating diverse power sources without external regulators.

  2. Optimal Version Selection:

    • Base Model: Ideal for entry-level applications (e.g., portable speakers) where cost-efficiency is prioritized.
    • Advanced Model: Suitable for mid-range systems (e.g., car stereos) needing enhanced power and noise reduction.
    • Pro Model: Designed for professional audio setups (e.g., live sound systems) requiring high fidelity and thermal stability. With the Pro’s active cooling, you can sustain peak performance in demanding environments.

Frequently asked questions

  • Which stereo amplifier IC suits home audio systems for high-quality sound?

  • How do I ensure proper maintenance of the STK4231 II IC module?

  • What’s the difference between STK4231 II and STK4221 IC modules?

  • Can the STK4231 II be customized for car audio systems?

  • Is the STK4231 II compliant with audio industry standards?

  • What applications are best suited for the STK4231 II IC?

  • Does the STK4231 II support high-voltage power supplies?

  • How does the STK4231 II compare to discrete amplifier components?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Signal-to-Noise RatioHigh-Fidelity Audio SystemsIndustry: 80 dB (IEC 60268-3) ▲ Base: 85 dB ▲▲ Advanced: 90 dB (exceeds by 12.5%)Base meets professional standards; Advanced ideal for audiophile setupsAdvanced may require premium input sources to utilize full potential
Power OutputCar Audio SystemsIndustry: 10W/ch (THD <1%) ▲ Base: 15W/ch ▲▲ Advanced: 20W/ch (66% higher power)Base suits most vehicles; Advanced drives high-end subwoofersAdvanced may need better heat dissipation in compact spaces
Noise LevelHome Theater SystemsIndustry: 50 dBA (quieter than a refrigerator) ▲ Base: 45 dBA ▲▲ Advanced: 40 dBABase reduces background noise; Advanced achieves whisper-quiet operationAdvanced’s ultra-low noise may require shielding for electromagnetic interference
Thermal PerformanceIndustrial Audio EquipmentIndustry: -20°C to 70°C ▲ Base: -30°C to 85°C ▲▲ Advanced: -40°C to 105°CBase handles outdoor use; Advanced operates in extreme environmentsAdvanced may require external cooling in prolonged high-heat scenarios
EfficiencyPortable Audio DevicesIndustry: 70% (per IEC 62301) ▲ Base: 75% ▲▲ Advanced: 80% (14% less power waste)Base extends battery life; Advanced maximizes energy savingsAdvanced’s efficiency may increase component costs slightly
Pin CompatibilityLegacy Audio SystemsIndustry: 24-pin ▲ Base: 28-pin (backward compatible) ▲▲ Advanced: 28-pin + 2x new featuresBase maintains compatibility; Advanced adds features without pin changesAdvanced’s new features may require firmware updates for full functionality

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