🔘 21-Key Functionality – Full control at your fingertips
⚡ High-Quality Build – Durable and reliable remote
📡 38kHz IR Signal – Standard for Arduino IR decoding
🔋 Battery Included – Ready for immediate use
🛠️ Arduino Programmable – Can be coded for custom functions
🎨 Compact Design – Easy to handle and store
💎 Interactive Project Friendly – Perfect for robots and gadgets
📦 Brand New – Guaranteed quality
🔧 Versatile Applications – MP3 kits, DIY electronics, robotics
🎯 Easy to Integrate – Works seamlessly with standard IR receivers

• ✨ Full Audio Control – Adjust bass, treble, balance, and volume
• 🔊 Stereo Output – Dual channel sound processing
• 🎶 High Fidelity Sound – Clear, rich, and natural audio
• ⚡ Low Noise Circuit – Minimal distortion and interference
• 🎚️ Wide Frequency Range – Better sound tuning flexibility
• 🔧 DIY Friendly Design – Easy to integrate into projects
• 📦 Compact Size – Fits easily in any audio setup
• 🔌 Stable 12V Operation – Reliable performance
• 🛠️ Durable Build Quality – Long-lasting usage
• 📱 Wide Compatibility – Works with amplifiers, speakers, and audio systems

🎚️ 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

• 🎵 UM66 Melody IC Module – Pre-programmed for music playback
• 🔌 Operating Voltage: 12V DC
• 🔊 High Output Power: 25 watts – Loud enough for open areas
• 🔧 No Soldering Needed – Plug-and-play operation
• 🔈 Supports Horn or Speaker for sound output
• 📐 Compact Size: 3.5 x 3.7 cm – Fits in small spaces
• 🛒 Perfect for Commercial Use – Especially ice cream carts, popcorn stalls, or street vending setups
• ✅ Reliable and Durable Build – Built to perform in outdoor settings

• Model: PAM8403 amplifier module.
• With power ON-OFF & volume control button.
• Good sound quality
• Super mini design allows it to be easily placed in a variety of digital products.
• Filterless, Low Quiescent Current and Low EMI
• Can use the computer USB port, USB power bank or a mobile phone charger to supply the 5V support power
• Battery power can also be used 3-5V
• Can provide 3W (left channel) + 3W (right channel) output power into a 4Ω or 8Ω speaker load and 5V power supply
• CMOS class D amplifier design for high efficiency and low cost

• On-board audio amplifier chip TDA2030A
• Mono 15W Amplifier Circuit Design
• On-board speaker terminal block
• On-board 10K adjustable resistance, you can adjust the amplified volume
• Onboard power indicator
• The main board have pins leads, you can directly input audio signal (GND, IN)
• The working voltage: 6 ~ 15V
• Board size: 32 (mm) x24 (mm)