YS-TB21 Bluetooth Digital Amplifier Board 2.1 Channel 200W High-Power Dual Audio 50W Dual-channel Stereo+100W Subwoofer

Specification Product Name 2 1 Channel Bluetooth Audio Power Amplifier BoardModel YS TB21Channels 2 1 Left Right Subwoofer Total Output Power 200W Left ≤50W Right ≤50W Subwoofer ≤100W Input Modes Bluetooth AUX 3 5mm audio inputInput Sensitivity 500mVPower Supply DC 12 24V 5A and aboveSpeaker Compatibility 10 200W 2 8 Ω speakersProtection OVP UVP OTP SCP multi protection circuitMain Controls Master volume L R bass L R treble subwoofer volume subwoofer frequencyExtra Interface Mic expansion connectorCore Components Large capacity energy storage capacitor fully shielded inductors integrated heat sinkFeatures 1 High power 2 1 channel Hi Fi output 50W 50W stereo plus 100W subwoofer channel for strong immersive sound 2 Comprehensive tone control panel Independent knobs for master volume treble bass sub level and sub frequency for precise system tuning 3 Dual audio input Seamless switching between Bluetooth and AUX input to match phones tablets PCs and players 4 Enhanced power design Oversized capacitor and shielded inductors provide stable power with reduced noise and heat 5 Built in multiple protections overvoltage undervoltage overtemperature and short circuit protection fully ensuring the safety of the amplifier and speakers 6 Compact upgrade layout Slim board integrated terminals and mic expansion connector easy to install in DIY speakers home theater or KTV systems Package Includes 1 x YS TB21 2 1 Channel Amplifier