## Core Selling Points (Bullet Points for Listing)
### 1. 2.1 Channel High Power Output, Rich Stereo Sound
Support 2 main channels + independent subwoofer channel, max total output up to 200W: Left & Right channel each up to 50W, subwoofer channel up to 100W. Delivers full-bodied mid-high vocals and deep shocking bass, perfectly build immersive Hi-Fi audio systems for home, desktop and vehicle use. It works with speakers 2Ω–8Ω ranging from 10W to 200W to match most speaker models popular in Europe and Russia.
### 2. Stable Bluetooth 5.1 Connection + Dual Input Modes
Adopts upgraded Bluetooth 5.1 chip for ultra-stable wireless pairing, fast signal transmission and anti-interference performance, no audio lag or stuttering during music playback. Besides Bluetooth wireless mode, it reserves AUX wired audio input, allowing flexible connection to MP3 players, PCs, TVs and game consoles for multi-scene audio playback.
### 3. Independent Bass & Treble Knob Adjustable Design
Equipped separate control knobs for bass and treble. You can freely tune sound effects according to music styles, speaker types and personal listening habits-boost heavy bass for rock music or bright treble for vocal songs, easily customize your exclusive audio tone without extra equalizer equipment.
### 4. Wide Voltage Compatibility DC12V–24V Power Supply
Compatible with DC 12V–24V power adapters (5A and above recommended). Flexible power options fit 12V car power supply and household 24V adapters, ideal for both car audio modification and indoor DIY speaker projects.
### 5. Full Multi-Layer Safety Protection System
Built-in comprehensive protection circuits including OVP overvoltage, UVP undervoltage, OTP overheat and SCP short-circuit protection. Automatically cut off power to safeguard the amplifier board and your expensive speakers from burnout caused by abnormal voltage, short circuit or overheating, greatly extending service life.
### 6. Compact DIY Friendly Structure with Complete Accessories
Mini compact PCB design saves installation space, easy to embed into speaker cabinets, car audio boxes and desktop audio equipment. Matching screwdriver and terminal connector accessories are included for quick wiring and assembly, no complicated welding needed for beginners to finish audio upgrade projects.
### 7. Low Distortion Hi-Fi Sound Quality
Low THD+N distortion rate under standard test conditions, restores original audio details losslessly. Clear vocal, layered instrument sound and powerful low-frequency subwoofer output meet high-fidelity listening demands of music enthusiasts across Europe and Russia.
No-delivery refund
