Rajesh, 35, Mumbai, wants a compact amplifier for his DIY home theater setup, needing Bluetooth streaming and high power.
Hosyond ZK-TB21 provides 200W total, supports Bluetooth 5.0, arrives factory-sealed from USA, with duties paid, in 11-13 days.
You save 1,880 (29%)
Estimated doorstep delivery by 21 Nov - 23 Nov from USA






High-Quality Audio at Competitive Price
Hosyond ZK-TB21 Bluetooth amplifier board is a compact, high-power stereo audio solution designed for home theater DIY speakers and audio projects. It features Bluetooth 5.0 for efficient wireless streaming, supports AUX input, and delivers a total output of 200W across 2.1 channels with full treble and bass control. The board includes protection functions such as overheat, reverse connection, and circuit breaker, ensuring safe operation. Its size (120*100*22mm) and lightweight (195g) make it suitable for various custom audio setups. The amplifier requires a DC power supply of 12-24V and supports impedance loads of 4-8Ω, making it versatile for different speaker configurations.
Users report clear, full sound with minimal distortion at high power output, suitable for home theaters and DIY projects. The copper connectors and insulated terminals facilitate high-current wiring, and the independent bass controls allow precise sound tuning. Properly powered with a suitable supply voltage, this amplifier can maximize output power, providing theater-like sound effects in a compact form. It ships from USA with all duties paid, arriving in 11-13 days.
In India, this amplifier is ideal for DIY audio enthusiasts, home theater setups, and custom speaker builders. It supports 12V-24V power supplies, compatible with Indian voltage standards when used with a step-down transformer and appropriate plug adapters. Delivered via tracked ExpressBox, it arrives factory-sealed, with a 14-day return guarantee for damaged or incorrect items.
Advanced TPA3116D2 Chip & Full Protection
This amplifier uses the TPA3116D2 chip for high-fidelity sound with THD ≤0.1%. It includes protections against overheating, reverse polarity, and short circuits, ensuring safe, reliable operation in home setups.
Ideal for DIY & Home Theater Enthusiasts
Designed for custom speakers and home theaters, it supports 4Ω speakers, offers independent treble and bass controls, and ships factory-sealed from USA with duties paid, perfect for Indian buyers seeking quality audio solutions.
Typical situations where Hosyond ZK-TB21 Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board | HiFi Stereo Digital Audio Amp for Home Theater helps — illustrative scenarios, not customer reviews.
Rajesh, 35, Mumbai, wants a compact amplifier for his DIY home theater setup, needing Bluetooth streaming and high power.
Hosyond ZK-TB21 provides 200W total, supports Bluetooth 5.0, arrives factory-sealed from USA, with duties paid, in 11-13 days.
| Recommended Power Supply | DC 12-24V, >2A |
| Power Output | 200W total (50W+50W+100W) |
| Shelf Life | Factory-sealed, check manufacturer's date |
| Reapplication/Usage Duration | Depends on power supply, speaker impedance |
| Suitable For | Home theater DIY speakers, square speakers |
| Cost per use | ₹4,610 per unit |
CrowCrowCrow helps you bring this product to India. Any warranty is offered by Hosyondunder its own policy.
| Feature | Hosyond ZK-TB21 Bluetooth | Others |
|---|---|---|
| Power Output | Supports 50W+50W+100W, total 200W, with THD ≤0.1% | Indian home theater amps typically support 30-60W per channel, with higher distortion levels |
| Input Options | Bluetooth 5.0 and AUX input, long-range wireless streaming | Most Indian models support only wired inputs, with limited Bluetooth range |
| Protection & Durability | Overheat, reverse, short circuit protections, wide 12-24V input | Many Indian amps lack comprehensive safety protections, risking damage |
| Build & Wiring | Copper connectors, insulated terminals, lightweight design | Indian amps often have cheaper wiring, less protection, heavier build |
| SKU | zwy5373 |
| GTIN | 0732214748279 |
| Brand | Hosyond |
| Model Number | H017 |
| Size | 120*100*22mm |
| Weight | 195g |
| Input Voltage | DC 12V-24V |
About Hosyond
Hosyond specializes in high-fidelity audio components, delivering reliable, USA-imported amplifiers for home and professional use.
Compliance & Legal
Supports wide voltage input (12-24V), includes safety protections, factory-sealed from USA, all duties paid, arrives in 11-13 days.
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This item:
Hosyond ZK-TB21 Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board | HiFi Stereo Digital Audio Amp for Home Theater
4,610

This item
Hosyond ZK-TB21 Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board | HiFi Stereo Digital Audio Amp for Home Theater
4,610
Total price:
14,530
You save 6,560 (31%) Extra3 items selected
3 items
14,530You save 6,560 (31%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 4,610 6,490 | 4,430 7,000 | 5,490 7,600 | 4,530 5,060 | 3,620 4,040 | 37,500 38,650 | 4,430 6,120 |
| Brand Name | Hosyond | ARRAROWN | ARRAROWN | ARRAROWN | ARRAROWN | HONEY JOY | Marvel |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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