Black - YS-TB21 Bluetooth Digital Amplifier Board 2.1 Channel 200W High-Power Dual Audio 50W Dual-ch
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| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
Specification:
Product Name: 2.1 Channel Bluetooth Audio Power Amplifier Board
Model: YSTB21
Channels: 2.1 (Left / Right / Subwoofer)
Total Output Power: 200W (Left 50W + Right 50W + Subwoofer 100W)
Input Modes: Bluetooth + AUX 3.5mm audio input
Input Sensitivity: 500mV
Power Supply: DC 12—24V, 5A and above
Speaker Compatibility: 10—200W, 2—8 speakers
Protection: OVP / UVP / OTP / SCP multiprotection circuit
Main Controls: Master volume, L/R bass, L/R treble, subwoofer volume, subwoofer frequency
Extra Interface: Mic expansion connector
Core Components: Largecapacity energystorage capacitor, fully shielded inductors, integrated heat sink
Features:
1. Highpower 2.1channel HiFi 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 YSTB21 2.1 Channel Amplifier Board













