2.1-Channel Bluetooth Amplifier Board 50W+50W+100W DC 12-24V Audio Power Amplifier Module MT21S Leaded Version TPA3116D2*2 Chip
SPECIFICATIONS
Application: Computer
Bluetooth Range: 15 metres
Brand Name: Gaqqee
Channel Count: 2.1-channel (50W+50W+100W)
Chip Model: TPA3116D2*2
Choice: yes
Condition: New
Dissipation Power: Low Power Consumption
External Wires: 6 DuPont wires approx. 30cm
High-concerned chemical: none
Input Methods: Bluetooth + AUX input + USB + MIC
Operating Temperature: Details Page
Origin: Mainland China
Package: TQFP
Power Supply: DC 12-24V/8A or higher (AC power not supported)
Product Dimensions: 90mm*75.5mm*15mm
Product Name: MT21 Wired Microphone Audio System
Quantity: 1
Supply Voltage: Details Page
Type: Module
is_customized: Yes
Product Features:
1. Dual TPA3116D2 chips ensure clear and stable audio quality.
2. Supports Bluetooth, AUX, USB and microphone inputs for versatile connectivity.
3. Dual microphone input design suits multi-person interactive singing scenarios.
4. Supports 2.1-channel output with outstanding bass effects for immersive sound.
5. Built-in multi-protection mechanisms ensure safer and more reliable operation.
Product Specifications:
Product Name: MT21 Wired Microphone Audio System
Chip Model: TPA3116D2*2
Bluetooth Range: 15 metres
Input Methods: Bluetooth + AUX input + USB + MIC
Channel Count: 2.1-channel (50W+50W+100W)
Power Supply: DC 12-24V/8A or higher (AC power not supported)
Compatible Speakers: Left/Right channels 20-50W 4-8Ω + Subwoofer 100W 4-8Ω
External Wires: 6 DuPont wires approx. 30cm
Protection Mechanisms: Overvoltage, Undervoltage, Overheating, DC Detection, Short Circuit Protection
Product Dimensions: 90mm × 75.5mm × 15mm
Functional Specifications:
· Supports wireless microphones (requires receiver), condenser microphones, and dynamic microphones.
· Accommodates two simultaneous receiver connections or one dual-channel wireless microphone.
· Wireless microphones with integrated receivers recommended for lower background noise.
Product Contents:
Mainboard x 1
Keypad x 1
Microphone board x 1
Adjustment knobs x 5
Accessory kit 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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