• 🎶 PT2399 Echo Chip – Rich, natural reverberation effects.
• 🎤 4 Microphone Inputs – Perfect for karaoke and live sound.
• 🎧 AUX Input Support – Mix background music seamlessly.
• 🔊 JRC4558 Preamp – Clean and powerful audio amplification.
• ⚡ Dual 12V Supply – Stable performance with accurate voltage.
• 🎯 Mono Output Channel – Reliable sound delivery.
• 🛠️ DIY Friendly – Easy integration into audio projects.
• 🌍 Wide Frequency Range – 25Hz–17kHz for full audio coverage.
• 💡 Echo Control Knob – Adjustable playback time for effects.
• 🏷️ Shehzad Electronics Quality – Trusted brand for audio tools.

🎚️ 3-Band Tone Control – Adjustable Bass, Mid, Treble for perfect audio
⚡ Low Power Operation – Runs efficiently at 3V DC
💎 Premium Japanese Build – Reliable and durable components
📏 Compact Design (36x31mm) – Fits easily into small enclosures
🔧 Easy Integration – Works with most preamps and audio boards
🎧 Stereo Output – Optimized for dual-channel audio
🛠️ DIY Friendly – Perfect for hobbyists and audio enthusiasts
🔥 Precise Frequency Adjustment – Fine-tune your sound exactly
📦 Versatile Applications – Amplifiers, speakers, and audio projects
🎨 Professional-Grade Audio Control – Crisp and clean tone adjustments

• Supply voltage: Dual DC Type I: 12V+12V
• Frequency range: 22Hz-300Hz
• Audio input: mono or two channels
• Audio output: monaural
• Board size:Type I: 4.3x5cmm,
• Net weight of the plate Finished: 30g

• 🟢 2.1 Channel Amplifier – Dedicated left, right, and subwoofer channels for complete sound systems.
  🔵 TDA2050 Audio Chip – High-quality amplifier IC used for clear and detailed stereo sound.
  🟡 Powerful Bass Section – D1047 transistor drives the subwoofer for deep and punchy bass.
  🟣 NJM4558 Low Pass Filter – Enhances low frequency response and improves bass performance.
  🟠 Dual Transformer Support – Works with 15-0-15V AC or 24-0-24V AC transformer supply.
  🔷 High Efficiency Design – Provides over 90% power efficiency with stable performance.
  ⚙ Perfect for DIY Audio Projects – Ideal for home theater, subwoofer systems, and amplifier builds.

• 🔊 Dual TPA3116 Chips: High-performance digital processing for powerful 50W+50W+100W output.

• 📶 Bluetooth 5.0 Technology: Wireless streaming up to 8 meters with stable, lag-free connectivity.

• 🎛️ 5-Knob Precision Control: Independent knobs for Master Volume, Treble, Bass Volume, Bass Frequency, and Left/Right Balance.

• 🎵 2.1 Channel Surround: Dedicated subwoofer output for deep, immersive low-end performance.

• 🔌 Dual Input Modes: Seamlessly switch between Bluetooth 5.0 and 3.5mm AUX wired input.

• ⚡ High-Efficiency Design: Power-saving circuitry with over 90% efficiency reduces heat and power loss.

• 🛠️ Wide Voltage Range: Flexible power options from DC 12V to 24V (works with laptops or car power).

• 🛡️ Built-in Protection: Engineered to minimize noise, current hum, and interference for clean audio.

• 🔘 Multi-Function Switch: One-touch knob controls playback (Play/Pause) and input mode switching.

• 📦 Ready-to-Use (Finished Board): Pre-assembled PCB; just connect your speakers and power supply to start.

• 💎 High-Performance Chip: PAM8610 ensures crisp, clear, distortion-free audio.

• 🎵 Dual Channel Stereo: Enjoy 10W+10W (8Ω) or 15W+15W (4Ω) output for immersive sound.

• ⚡ Wide Voltage Range: Works with DC 8–12V, recommended DC 12V, ideal for batteries & adapters.

• 🔥 Energy Efficient: Class D design = minimal heat & power loss, no extra cooling required.

• 📏 Compact & Portable: Size 45×48×18 mm, easy to install in DIY projects or small enclosures.

• 🎚 Low Distortion & High Fidelity: Harmonic distortion <0.1%, SNR 90%, frequency response 20Hz–15kHz.

• 💼 Versatile Applications: Perfect for MP3/MP4 players, smartphones, laptops, and custom audio projects.