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ZK-TB21 Pro Bluetooth Amplifier Board 50W+50W+145W 2.1 Channel Subwoofer Audio Receiver Lossless Decoding — image 1
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ZK-TB21 Pro Bluetooth Amplifier Board 50W+50W+145W 2.1 Channel Subwoofer Audio Receiver Lossless Decoding

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product for everyday users

The ZK-TB21 Pro Bluetooth Amplifier Board 50W+50W+145W 2.1 Channel Subwoofer Audio Receiver Lossless Decoding is a mid-range product designed for everyday users.

✓ wireless convenience
₹2,439-35%
MRP:₹3,759Save ₹1,320
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Free Delivery on this order. No minimum order value.

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35% Off — you save ₹1,320 on this product!

Price: ₹2,439

Total: ₹2,439
Buying tip: A well-rounded choice at a fair price. Recommended for most buyers.
Estimated delivery: 18 Aug – 1 Sept
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Everyday convenience
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SKU: bg-2051074

About This Product

The ZK-TB21 Pro Bluetooth Amplifier Board 50W+50W+145W 2.1 Channel Subwoofer Audio Receiver Lossless Decoding is a mid-range designed for everyday users. It delivers reliable performance at an accessible price.

Why Buy from Pricio?

Pricio sources this product directly, cutting out multiple middlemen. Every order includes free shipping, a 15-day return policy, and secure payment via Razorpay.


Specifications:
Product Name: 2.1-channel Bluetooth amplifier board, 50W+50W+145W
Model: ZK-TB21 PRO
Operating Voltage: 12–24 VDC, recommended power supply 24V/8A
Maximum Power:
Left and right channels: ≤50W each
Subwoofer channel: ≤145W
Speaker Adapter:
Left and right channels: 20–50W, 4–8Ω
Subwoofer: 50–150W, 2–8Ω
Bluetooth Range: 15 meters
Input Methods: Bluetooth + AUX + PC + USB
Number of Channels: 2.1 (left and right channels + subwoofer)
Protection Mechanism: Input undervoltage, overheat, overcurrent, short circuit protection, and reverse connection protection
Product Dimensions:
Integrated with shell: 119x100x25mm
Integrated without shell: 119x100x22.8mm
Lead-out type: 101x100x18.2mm
Product Weight:
Integrated with shell: 234.5g
Integrated without shell: 166.3g
Lead-out type: 193g

Features:
1. Optimized Subwoofer Performance: Enhanced subwoofer channel delivers clear and powerful bass with up to 145W output.
2. Multiple Input Options: Supports Bluetooth, AUX, PC, and USB for versatile connectivity, with Bluetooth taking priority.
3. Advanced Protection: Equipped with mechanisms to guard against undervoltage, overcurrent, overheating, and short circuits.
4. Efficient Heat Dissipation: Larger and thicker radiators ensure effective cooling for stable operation.
5. Lossless Audio Decoding: Provides high-quality audio playback via U-disk compatibility.

Package Included:
1 x ZK-TB21 PRO Amplifier Board



Product Safety Information
Product Safety Information
Manufacturer
Shenzhen Yuner Yipu Trading Co., Ltd
Address
East 1087, Building 4, SEG Science and Technology Park, No. 3012 Huaqiang North Road, Huaqiang North Street, Futian District, Shenzhen, Guangdong, CN
European agent
VISHTEC ltd
Email
compliance@vish-tec.com
Address
3 rd floor office 5, Plovdiv 2 Liuben Karavelov bul, 4002 Bulgaria
UK agent
CET Product Service Ltd.
Email
info@cetproduct.com
Address
Beacon House Stokenchurch Business Park, Ibstone Rd, Stokenchurch, High Wycombe, Buckinghamshire, UK