YS-502L 2.0 Channel Bluetooth 5.0 Audio Amplifier Board, 100W Stereo Power Amp Module With AUX And Volume Control For Speakers

## Product Highlights (Bulleted Selling Points)

### 1. Powerful 100W Dual-Channel Stereo Hi-Fi Sound

Deliver up to 50W output per left & right channel, total max 100W power. Produce rich, dynamic, distortion-free stereo audio with natural treble and deep bass. Perfect for building premium home speaker systems, bringing immersive cinema-level listening experience without audio compression.

### 2. Stable Bluetooth 5.0 Wireless Connection

Adopts upgraded Bluetooth 5.0 chip for faster pairing, ultra-stable signal transmission and wider connection range. No audio lag or disconnection issues when streaming music from smartphones, tablets, laptops. Compatible with all mainstream Bluetooth audio devices, plug-and-play wireless audio upgrade for your speakers.

### 3. Independent Treble & Bass Adjustable Knob

Built-in precise tuning knob supports separate treble and bass adjustment. Customize sound effect freely according to music genres-boost bass for pop & EDM, sharpen treble for classical & vocal songs, meet all personalized audio preferences for audiophiles.

### 4. Wide Compatibility & Broad Voltage Input (DC 12-24V)

Wide working voltage range DC 12V-24V supports multiple power supplies, matched with different speaker impedances (4Ω / 8Ω). Widely adaptable for DIY home audio setups, desktop speakers, car audio refits, KTV bars and small stage playback equipment. *Note: Not compatible with pure 24V lithium batteries.*

### 5. All-Round Multi-Layer Safety Protection Circuits

Equipped with full protective mechanisms including overheat, overvoltage, undervoltage, short-circuit and DC detection protection. Automatically cut power or reduce output when abnormal conditions occur, effectively prevent burnout of amplifier board and speaker voice coils, extend service life greatly, safer for long-time continuous use.

### 6. Compact Upgraded Integrated Hardware Design

One-piece monolithic molding structure, sturdy anti-deformation and durable. Baffle removed design optimizes airflow, greatly improving heat dissipation efficiency to avoid overheating during high-power playback. Chamfered sleek circuit board with minimalist tech appearance, small footprint for easy installation inside speaker cabinets or audio equipment.

### 7. Complete Free Accessories, Easy DIY Installation

Comes with matching screwdriver and DC power terminal adapter in package, no extra parts purchase needed. Clear printed wiring marks on board for error-free wiring, friendly for audio DIY beginners and professional audio modifiers alike.

### 8. Ultra-Wide Application Scenarios

Ideal for multiple usage scenes: Home theater systems, desktop Hi-Fi speakers, car audio modification, small stage performances, KTV & bar background audio, family karaoke equipment, portable DIY speaker projects. One amplifier board meets all indoor & small commercial audio demands.