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ZK-TB21H Bluetooth 5.1 2.1 Channel Audio Power Amplifier Module Multi-Input AUX USB Subwoofer Support TPA3116D2 Chip 50W+100W Output Versatile Speaker Compatibility — image 1
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ZK-TB21H Bluetooth 5.1 2.1 Channel Audio Power Amplifier Module Multi-Input AUX USB Subwoofer Support TPA3116D2 Chip 50W+100W Output Versatile Speaker Compatibility

AI Summary
Tools, Industrial & Scientific for DIY enthusiasts and makers

The ZK-TB21H Bluetooth 5.1 2.1 Channel Audio Power Amplifier Module Multi-Input AUX USB Subwoofer Support TPA3116D2 Chip 50W+100W Output Versatile Speaker Compatibility by Pricio is a mid-range tools, industrial & scientific designed for DIY enthusiasts and makers.

✓ wireless convenience
₹3,880
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Color: Black

Black
Total: ₹3,880
Buying tip: A quality investment for dependable performance and premium build quality.
Estimated delivery: 4 Aug – 18 Aug
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Ideal For

Home improvement projectsDIY repairs and assemblyProfessional work
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SKU: bg-2044315Category: Tools, Industrial & Scientific

About This Product

The ZK-TB21H Bluetooth 5.1 2.1 Channel Audio Power Amplifier Module Multi-Input AUX USB Subwoofer Support TPA3116D2 Chip 50W+100W Output Versatile Speaker Compatibility by Pricio is a mid-range tools, industrial & scientific designed for DIY enthusiasts and makers. 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 Audio Power Amplifier Module
Product Model: ZK-TB21H
Bluetooth Version: 5.1 (Unobstructed range: 10 meters)
Input Sensitivity: 500mV
Input Method: AUX + Bluetooth + USB
Channel Count: 2.1 Channel
Power Amplifier Chip: TPA3116D2
Compatible Power Supply: DC 12V-24V
Compatible Speakers: 20W-100W, impedance: 4Ω-8Ω
Output Power: Left and Right Channel ≤ 50W, Subwoofer ≤ 100W
Protection Mechanism: Overvoltage, Undervoltage, Overheating, DC misconnection, Short Circuit Protection
Product Size: 101mm100mm22mm

Features:
1.Bluetooth 5.1 Technology
Enjoy stable and fast wireless audio transmission with an unobstructed range of 10 meters, eliminating audio delays and drops for an immersive listening experience.
2.Multi-Input Compatibility
The amplifier supports AUX, USB, and Bluetooth inputs, offering versatile connection options to suit various devices like smartphones, laptops, and other audio sources.
3.Built-in 2.1 Channel System
The advanced 2.1 channel system supports a left and right speaker as well as a subwoofer, delivering powerful stereo sound with enhanced clarity, ideal for home audio setups.
4.High-Performance Amplifier Chip
Equipped with the TPA3116D2 chip, this module ensures efficient audio signal amplification with minimal distortion while maintaining great sound quality.
5.Comprehensive Protection System
Designed with multiple safety features including overvoltage, undervoltage, overheating, and short circuit protection to ensure reliability and safe operation.

Package Included:
1 x ZK-TB21H Bluetooth Amplifier Module



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

Setup Guide

1
Charge the speaker
Connect the supplied USB/Type-C cable to the speaker and plug into a power adapter or laptop. Charge fully before first use (2–3 hours).
2
Power on
Press and hold the power button for 2 seconds. The LED indicator will light up and you may hear a startup tone.
3
Pair via Bluetooth
Enable Bluetooth on your phone and select the speaker from the list of nearby devices. The speaker will beep or announce "Connected".
4
Place optimally
For the best sound, place the speaker on a flat surface away from walls. Outdoor use works best in open spaces.

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