DC 12-24V MT21S Lead Version Ktv Microphone And Audio All-In-One Machine 2.1 Channel Bluetooth Amplifier Board 50W+50W+100W
SPECIFICATIONS
Brand Name: diymore
Chip model: TPA3116D2
Condition: New
External lead: 6 DuPont wires, approximately 30cm in length
High-concerned chemical: none
Number of channels: 2.1 channels (50W+50W+100W)
Operating Temperature: -40~+85℃
Origin: Mainland China
Package: SOP
Product Name: MT21 Lead in Microphone Audio Integrated Machine
Product size: 90mm * 75.5mm * 15mm
Quantity: 1
Supply Voltage: DC12-24V
Transmission distance: 15 meters
Type: Module
is_customized: Yes
✨Features:
1. Adopting dual TPA3116D2 chips, the sound quality is clear and stable.
2. Supports Bluetooth, AUX, USB, and microphone input, with various connection methods.
3. Dual microphone input design, suitable for multi person interactive singing scenes.
4. Supports 2.1 channel output, paired with stunning bass effects for outstanding performance.
5. Built in multiple protection mechanisms ensure safer and more reliable device operation.
✨Parameter:
Product Name: MT21 Lead in Microphone Audio Integrated Machine
Chip model: TPA3116D2 * 2
Bluetooth transmission distance: 15 meters
Input method: Bluetooth+AUX input+USB+MIC
Number of channels: 2.1 channels (50W+50W+100W)
Suitable power supply: DC12-24V/8A or above (cannot be connected to AC power)
Compatible speaker: Left and right channels 20-50W 4-8 Ω+subwoofer 100W 4-8 Ω
External lead: 6 DuPont wires, approximately 30cm in length
Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection
Product size: 90mm * 75.5mm * 15mm
✨Function Description:
·Supports wireless microphone (with receiver), capacitive microphone, and dynamic microphone.
·Two sets of receivers can be inserted simultaneously, or one to two wireless microphones can be selected.
·Recommend using a wireless microphone with a receiver for lower background noise.
✅Package Include:
Motherboard x 1
Keypad x 1
Microphone board x 1
Adjusting knob x 5
Accessory package x 1











- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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