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  • SeekEC AF Power Amplifier Split Power Supply STK4048
  • SeekEC AF Power Amplifier Split Power Supply STK4048
  • SeekEC AF Power Amplifier Split Power Supply STK4048
  • SeekEC AF Power Amplifier Split Power Supply STK4048
  • SeekEC AF Power Amplifier Split Power Supply STK4048
  • SeekEC AF Power Amplifier Split Power Supply STK4048
SeekEC AF Power Amplifier Split Power Supply STK4048

SeekEC AF Power Amplifier Split Power Supply STK4048

  • 1 - 99 Pieces
    $10
  • 100 - 999 Pieces
    $8
  • >= 1000 Pieces
    $3

Customization:

PCB Assembly（Min.Order: 1 pieces）
IC Programming（Min.Order: 1 pieces）
View product details

SeekEC AF Power Amplifier Split Power Supply STK4048

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Power Audio Amplification: The STK4048 power amplifier IC is designed to amplify audio signals for driving speakers and audio equipment in high-power applications.
  • Split Power Supply Compatibility: Supports flexible power configurations, enabling stable operation across various voltage requirements.

Key features

  • 1. Robust Material Construction

    • With a ceramic-reinforced plastic housing, ensure superior heat dissipation and mechanical durability, outperforming standard plastic enclosures*.

  • 2. Gold-Plated Pin Connectors

    • With corrosion-resistant gold-plated pins, achieve seamless integration into electronic systems and reduce connection failures by up to 30%* compared to uncoated alternatives.

  • 3. High-Power Handling Capability

    • With a peak output optimized for high-wattage applications, deliver stable performance in demanding audio setups, supporting up to 40% higher power loads than conventional amplifiers*.

  • 4. Versatile Scenario Adaptability

    • Designed for home theater and automotive audio systems, provide uninterrupted operation in both residential and vehicular environments, enhancing system reliability by 40%* under continuous use.

  • 5. Industrial-Grade Reliability Standards

    • Built to withstand harsh operating conditions, meeting rigorous reliability benchmarks for prolonged operation without degradation, exceeding the lifespan of non-certified alternatives by 25%*.

Product details

SeekEC AF Power Amplifier Split Power Supply STK4048

The SeekEC STK4048 AF Power Amplifier Split Power Supply IC is a high-performance audio amplifier designed for electronic systems requiring robust power output and reliability. Engineered with advanced thermal management and efficiency, it supports applications such as home theater systems, car audio setups, and professional sound equipment.

Technical specifications

FeatureSpecificationApplication Scenario
Power Output40W (Split supply: ±15V to ±24V)Driving high-performance speakers
Efficiency85% (at 50% load)Reducing heat in compact audio devices
Thermal Resistance50°C/W (TO-220 package)Ensuring stability in high-temperature environments
Operating Voltage±15V to ±24VFlexible power supply compatibility
Protection FeaturesOver-temperature/short-circuit protectionIndustrial audio systems with harsh conditions

Customization guide

Adjustable parameters:

  • Power Supply Voltage: Customize voltage ranges (±15V to ±24V) to match system requirements.
  • Output Configuration: Tailor gain and impedance settings for specific speaker loads.
  • Thermal Management: Optimize heat dissipation via external heatsinks for high-power use cases.

Get inspired

The STK4048’s high power density and reliability make it ideal for demanding audio applications. Whether amplifying sound in a car stereo or powering a home theater, this IC ensures clarity and durability under heavy loads.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Peak Power Output40W+15% (46W)+30% (52W)*
Efficiency85%90%95%
Thermal Resistance50°C/W40°C/W30°C/W
Protection FeaturesBasic (OT/SC)Enhanced (OT/SC + Overload)Premium (OT/SC + Overload + UVLO)

Supplier's note

  1. Technical Breakthroughs:

    • High Power Handling: The 52W Pro model outperforms industry benchmarks by 20%, enabling louder sound systems without distortion.
    • Efficiency Gains: The Pro’s 95% efficiency reduces heat by 30% compared to standard amplifiers, extending component lifespan.
    • Advanced Protection: The Pro’s UVLO (Undervoltage Lockout) safeguards against power fluctuations in unstable environments.

  2. Optimal Version Selection:

    • Base Model: Ideal for home audio systems (e.g., bookshelf speakers) prioritizing cost-effectiveness.
    • Advanced Model: Suited for car audio and portable PA systems needing enhanced overload protection.
    • Pro Model: Recommended for professional setups (e.g., live sound systems) requiring peak power and extreme reliability. With its tripled thermal resistance over competitors, the Pro ensures stable performance in industrial-grade applications.

*Note: All performance claims are tested under standard conditions (25°C ambient temperature, optimal load).

Frequently asked questions

  • Which power amplifier IC suits high-power home theater systems?

  • How to clean and maintain the STK4048’s connectors?

  • Why is the STK4048 made with black plastic/ceramic material?

  • Can the STK4048 be customized for specific power needs?

  • Is the STK4048 reliable in harsh environments?

  • Is the STK4048 suitable for car audio systems?

  • How does the STK4048 reduce heat compared to other amplifiers?

  • Does the STK4048 work with standard audio systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High-Power Audio Amplifier ICHome theater systems, car audioIndustry Standard: 30W RMS; Our Base: 40W RMS▲13%; Our Advanced: 50W RMS▲25% (IEC 60268-5)Delivers robust power for demanding systems; supports multi-speaker setups.Larger form factor; requires heatsinking at peak loads.
Compact Audio Amplifier ModulePortable speakers, handheld devicesIndustry Standard: 15W RMS; Our Base: 20W RMS▲33%; Our Advanced: 25W RMS▲66% (IEC 60099-1)Space-saving design (20x20mm); lightweight.Lower power output for high-volume environments.
High-Efficiency Audio AmplifierBattery-powered devices, IoT systemsIndustry Standard: 75% efficiency; Our Base: 80%▲6.7%; Our Advanced: 85%▲13.3% (IEC 62301)Reduces heat generation; extends battery life by 20%.Higher cost due to advanced semiconductor design.
Low-Noise Audio AmplifierRecording studios, conference systemsIndustry Standard: 54 dBA; Our Base: 48 dBA▲11%; Our Advanced: 43 dBA▲24% (IEC 60268-16)Clean audio with minimal background noise (quieter than a refrigerator).Requires shielding for electromagnetic interference (EMI).
Temperature-Resistant AmplifierIndustrial audio, outdoor speakersIndustry Standard: -20°C to 70°C; Our Base: -30°C to 85°C▲25%; Our Advanced: -40°C to 105°C▲75% (IEC 60068-2-1)Operates in extreme environments (e.g., Arctic conditions).Higher thermal resistance materials increase weight and cost.
Customizable Audio AmplifierOEM projects, specialized audio setupsIndustry Standard: Fixed 12-24V input; Our Base: Adjustable 9-36V▲50%; Our Advanced: 6-48V▲400% (IEC 60065)Flexibility for diverse power requirements (e.g., automotive/industrial).Requires technical expertise for configuration.

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