🔹 Bluetooth 5.0 Technology – Stable and fast wireless audio connection
🔹 40W + 40W Output Power – Strong stereo sound performance
🔹 Wide Voltage Input – Supports DC 5V to 24V
🔹 Dual Speaker Support – Works with 4Ω and 8Ω speakers
🔹 Clear Audio Quality – Low distortion sound output
🔹 Deep Bass Response – Enhanced music experience
🔹 Reverse Protection – Prevents wrong polarity damage
🔹 Short Circuit Protection – Safer long-term use
🔹 Thermal Protection – Prevents overheating issues
🔹 Compact Design – Perfect for DIY installations

• 🔊 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.

🔹 Connectivity & Playback

• Bluetooth music playback with fast device pairing

• Supports TF card + USB flash drive (MP3 format, FAT32)

• Built-in FM radio with auto scanning

• Multi-input audio convenience in one board

🔹 Power & Output

• 5V DC power input (Micro USB)

• Drives 5W speakers with clear audio output

• Supports rechargeable 3.7–4.2V lithium battery

• Integrated charging protection and indicator LEDs

🔹 Controls & Function Buttons

• Play/Pause, Next/Previous, Volume Up/Down

• Mode switching between Bluetooth / USB / TF / FM

• Auto play when USB or TF card is inserted

🔹 Build & Design

• Compact 69 × 20 mm PCB size – easy installation

• Stable signal performance & low power consumption

• Ideal for hobbyists, DIY builders, and audio upgrades

• 💎 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.

• 🎛️ Dual Premium ICs

  • PT2399: Digital echo/delay processor

  • JRC4558: Low-noise audio preamplifier

• 🔄 Adjustable Echo Effects

  • Control delay time, echo repeat, and feedback level

• 🎸 Multi-Device Compatibility

  • Works with guitars, microphones, karaoke systems, mixers, and more

• 🛠️ DIY-Friendly Design

  • Ideal for electronics hobbyists and audio professionals

• 🧱 Compact & Durable

  • Built with high-quality components for reliable performance

• 🔌 Easy Integration

  • Simple wiring and installation into any audio setup

• 3-Band EQ – Independently adjust Bass, Mid, and Treble for complete tonal control.

• Single Supply Operation (24V) – Simplifies power needs for versatile applications.

• Opamp-Based Circuit – Provides clean, low-noise signal processing for professional sound quality.

• Compact & Durable – Expertly built by Shehzad Electronics for long-lasting reliability.

If you want it formatted with special checkmark bullets, here you go:

✔ 3-Band EQ – Independently adjust Bass, Mid, and Treble for complete tonal control.
✔ Single Supply Operation (24V) – Simplifies power needs for versatile applications.
✔ Opamp-Based Circuit – Provides clean, low-noise signal processing for professional sound quality.
✔ Compact & Durable – Expertly built by Shehzad Electronics for long-lasting reliability.

Would you prefer one style over the other?