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Rendered at 19:10:48 12/09/25
ZK-MT21 2.1CH Bluetooth 5.0 Audio Amplifier Board 100W Sub + 50Wx2 Stereo
Ships from
China
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Shipping options
Offer policy
OBO - Seller accepts offers on this item.
Details
Return policy
None: All purchases final
Purchase protection
Payment options
PayPal accepted
PayPal Credit accepted
Venmo accepted
PayPal, MasterCard, Visa, Discover, and American Express accepted
Maestro accepted
Amazon Pay accepted
Nuvei accepted
Shipping options
Offer policy
OBO - Seller accepts offers on this item.
Details
Return policy
None: All purchases final
Purchase protection
Payment options
PayPal accepted
PayPal Credit accepted
Venmo accepted
PayPal, MasterCard, Visa, Discover, and American Express accepted
Maestro accepted
Amazon Pay accepted
Nuvei accepted
Item traits
| Category: | |
|---|---|
| Quantity Available: |
4 in stock |
| Condition: |
New |
| Type: |
Power Amplifier |
| Number of Channels: |
2.1 |
| Brand: |
Unbranded/Generic |
| Model: |
ZK-MT21 |
| Audio Outputs: |
Stereo L/R RCA |
| Amplifier Class: |
D |
| Color: |
Black |
| Surround Sound Formats: |
Amplifiers Board |
| Number of Outputs: |
2 |
| Audio Inputs: |
AUX |
| Unit Type: |
Unit |
| Number of Inputs: |
2 |
| Features: |
Digital |
| Power: |
100 W |
| Country of Origin: |
China |
Listing details
| Seller policies: | |
|---|---|
| Shipping discount: |
No combined shipping offered |
| Posted for sale: |
December 8 |
| Item number: |
1782486348 |
Item description
Product Name: 2.1-Channel Bluetooth Audio Amplifier Module
Model: ZK-MT21
Bluetooth Version: 5.0 (up to 15m range, unobstructed)
Input Sensitivity: 500 mV
Input Methods: AUX + Bluetooth
Amplifier Chip: Domestic amplifier chipset
Channels: 2.1-channel
Compatible Speakers: 20?100W, 4?8?
Protection Features: Reverse-polarity protection, overheat protection, overcurrent protection, short-circuit protection
Power Supply Requirement: DC 12?24V / 5A or above (24V battery packs are not supported)
Output Power:
Left/Right channels: 50W each
Subwoofer: 100W
Product Size: 93 90 22 mm
Net Weight: Approx. 130 g
Package Weight: Approx. 185 g
Important Notes
Sufficient audio input and an adequate power supply (voltage current) are required to achieve the rated output power.
Higher power supply voltage = higher output power.
Lower speaker impedance = higher output power.
Please ensure your power supply output is higher than the amplifier?s actual working power for optimal performance.
Added to your wish list!
- ZK-MT21 2.1CH Bluetooth 5.0 Audio Amplifier Board 100W Sub + 50Wx2 Stereo
- 4 in stock
- Price negotiable
- Handling time 7 days.
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