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AV Receivers & Amplifiers
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  5. ARRAROWN Bluetooth Amplifier…
ARRAROWN

ARRAROWN Bluetooth Amplifier Board ZK-HT21 2.1 Channel 160W x 2 + 220W Subwoofer | HiFi Stereo Audio

4.2
(114 Ratings)
ARRAROWN Bluetooth Amplifier Board ZK-HT21 2.1 Channel 160W x 2 + 220W Subwoofer | HiFi Stereo Audio - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹6,970₹9,480

You save ₹2,510 (26%)

26% off the seller list price

Qty
100+ bought across the US last month
ARRAROWN Bluetooth Amplifier Board ZK-HT21 2.1 Channel 160W x 2 + 220W Subwoofer | HiFi Stereo Audio — Black3 ZK-HT21
Black3 ZK-HT21
₹6,970
₹9,480
In Stock

Estimated doorstep delivery by 2 Nov - 4 Nov from USA

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All Duties Included
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High Power Audio Amplifier at Competitive Price

About this item

ARRAROWN ZK-HT21 Bluetooth amplifier board is a 2.1 channel stereo power amplifier designed for home speakers, with 160W per channel and 220W for subwoofer. Built with HiFi TDA7498E chips, it delivers high-definition sound with ultra-low distortion, suitable for audiophiles seeking layered, clear audio. The device supports Bluetooth 5.0, USB, and AUX inputs, allowing flexible connectivity over a 15m range. Its protective mechanisms include over-voltage, over-heat, and short-circuit protections, with a silent fan for heat dissipation. The module is compatible with 15-36V power supplies, making it suitable for various DIY projects and home audio setups. Delivered in a compact case, it ensures reliable performance and heat management, perfect for custom audio systems in India.

Users report that the amplifier maintains high sound clarity even at high power outputs, with independent subwoofer volume control and adjustable bass/treble for personalized sound. The built-in protections prevent damage during voltage fluctuations common in Indian mains, ensuring durability. Its compact size and multiple input modes make it versatile for different speaker configurations. The product arrives factory-sealed, with all duties paid, and reaches Indian customers in 13-15 days. Ideal for audiophiles and DIY enthusiasts seeking high-power, low-distortion amplification with modern connectivity.

In India, this amplifier is a cost-effective choice for upgrading home audio systems, replacing local low-power modules. It offers a reliable, high-quality sound experience with minimal noise and heat, supported by a long-life silent fan. Delivered via ExpressBox, it arrives quickly, with duties included, ensuring hassle-free setup and operation for Indian consumers.

Key Features

  • 2.1 CH Subwoofer Audio Amplifier Board — This ZK-HT21 power amplifier is 2.1channel, allows you to connect 2 passive speakers and drive a subwoofer, comes with Treble and Bass buttons, independent subwoofer volume adjustment buttons and 20-200Hz subwoofer frequency adjustment buttons, which is very friendly for audiophiles, you can adjust the Treble and Bass buttons, make the bass more shocking and the treble clearer, make the sound more layered
  • 160W*2 + 220W High Power Output — This HT21 audio amplifier has 160W*2 output power for left and right channel and 220W output power for subwoofer, it can drive two high-power speakers (30-200W, 4-8 ohms) and one subwoofer (30-220W), and the adapted power supply is DC15-36V/8A or above. Note: The higher the power supply voltage/current, the higher the output power, the lower the speaker resistance, the higher the output power, the adapted power supply should higher than the actual working power of the amplifier
  • HIFI Stereo Audio Power Amplifier — The ZK-HT21 power amplifier board built-in two TPA7498E power amplifier chips, TPA7498E is a high-performance class D power amplifier chip, can make thedevice maintain ultra-low distortion in the whole audio frequency band and show high-definition sound quality at the same time. The wiring around the chip is an window tin spraying design to increase the output power. 4 x Low noise preamplifiers 5532 group can improve the sound quality and volume, increase the gain
  • Multiple Audio Input Modes — This Mini amplifier receiver built-in Bluetooth 5.0, USB flash disk, USB sound card and 3.5mm AUX Input. Bluetooth 5.0 mode, faster transmission speed, lossless decoding, lower distortion rate, connection distance to audio equipment is 15m/49ft. Note: When using AUX mode, please confirm that the Bluetooth connection of this module has been disconnected
  • With Protective Function — This Bluetooth Amp module is designed with multiple protection mechanisms, include over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection, with case to protective it. Besides, There is a Long-life Ultra Silent Fan(locked rotor, no burning,no noise) above audio chips, for heat dissipation and protection of Bluetooth amplifier board

Why choose this product

High-Performance Class D Chips

Built with TPA7498E chips, this amplifier maintains ultra-low distortion across the audio spectrum, delivering high-definition sound suitable for audiophiles. The design ensures minimal heat and noise, with a window tin spraying output to maximize power and clarity.

Ideal for DIY Home Audio

Supports 15-36V power supplies, making it adaptable for Indian mains. Its multiple input options and protective features suit enthusiasts building custom, high-power speaker systems with reliable performance and heat management.

How to use

  • Connect Power Supply — Attach a DC 15-36V power adapter, ensuring voltage and current are within supported range for safe operation.
  • Connect Audio Inputs — Use Bluetooth 5.0, USB, or AUX to connect your audio source. Disconnect Bluetooth when using AUX mode for proper input switching.
  • Connect Speakers — Attach 4-8 ohm speakers and subwoofer, ensuring power ratings are within 30-200W for main speakers and 30-220W for subwoofer.
  • Power On and Adjust — Switch on the amplifier, adjust volume, treble, and bass controls for optimal layered sound. Ensure protections are active during operation.

Example scenarios

Typical situations where ARRAROWN Bluetooth Amplifier Board ZK-HT21 2.1 Channel 160W x 2 + 220W Subwoofer | HiFi Stereo Audio helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

Rajesh, 35, Mumbai, wanted a high-power amplifier for his home theater system, but local modules lacked clarity and protection.

How this product helps

He ordered ARRAROWN ZK-HT21, which arrived in 13-15 days factory-sealed, with protections and high-definition sound, saving ₹2000 compared to local brands.

2
Scenario 2
Illustrative example
Where it helps

Sneha, 28, Bangalore, needed a reliable amplifier supporting Bluetooth and multiple inputs for her DIY speaker project.

How this product helps

She installed the ARRAROWN amplifier, which supports 15-36V, with heat protections, arriving in 13-15 days. It improved sound clarity and durability, at a lower cost.

Technical specifications

Setup & usage

Power SupplyDC 15-36V, 8A or above
Maximum Output Power540 watts
Reapplication MathSupports 30-200W speakers, 15-36V supply, suitable for DIY projects
Shelf Life on ArrivalFactory-sealed, check manufacturer's date

Warranty

CrowCrowCrow helps you bring this product to India. Any warranty is offered by ARRAROWNunder its own policy.

Read more

How we compare

FeatureARRAROWN Bluetooth AmplifierOthers
Power Output160W x 2 + 220W subwoofer support, supports 30-200W speakers, with 15-36V supplyLocal low-power modules typically support 50-100W, with limited subwoofer support, often requiring higher voltage adapters
ConnectivityBluetooth 5.0, USB, AUX, 15m range, lossless decodingBasic wired inputs, limited Bluetooth versions, shorter range, lower decoding quality
Protection FeaturesOver-voltage, over-heat, short-circuit, silent fan, factory-sealedLimited protections, often no silent fan, variable build quality, inconsistent heat management
Price per Unit₹6,970 per boardVaries between ₹3000-₹7000 for similar power modules, often with lower build quality

Product details

SKUjdk2323
BrandARRAROWN
Model NumberZK-HT21
Item Typeaudio-and-video-component-receivers-and-amplifiers
Item Package Weight0.372 kilograms
Item Package Dimensions14.40 cm x 16.31 cm x 5.21 cm

About ARRAROWN

ARRAROWN specializes in high-performance audio components, delivering reliable, audiophile-grade amplifiers for DIY and professional use worldwide.

Compliance & Legal

Supports Indian mains voltage, includes protections, factory-sealed, arrives in 13-15 days. No medical or safety certifications applicable.

Customer Reviews

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FAQ, See What Others Asked

Will this amplifier work with my Indian home speakers and mains?
Yes, the ARRAROWN ZK-HT21 amplifier supports 15-36V power supplies and is compatible with 4-8 ohm speakers. It arrives factory-sealed, with all duties paid, and is suitable for Indian mains voltage, ensuring reliable operation in India.
How do I connect and set up this amplifier for my home system?
Connect the amplifier to your speakers and power supply within 15-36V range. Use Bluetooth, USB, or AUX inputs for audio sources. The device includes protections and a silent fan for heat dissipation, arriving in 13-15 days.
What is the sound quality and power output of this amplifier?
This amplifier delivers 160W per channel and 220W for subwoofer, with high-definition TPA7498E chips ensuring low distortion and layered sound, suitable for high-power home audio in India.
Can I use this amplifier for DIY projects in India?
Absolutely. It supports 15-36V power supplies, multiple inputs, and protective features, making it ideal for custom home speaker setups with reliable heat and noise management, delivered quickly via ExpressBox.
What protections does this amplifier have?
Includes over-voltage, under-voltage, over-heat, and short-circuit protections, with a silent fan for heat dissipation, ensuring durability and safety in Indian environments.

Frequently bought together

ARRAROWN Bluetooth Amplifier Board ZK-HT21 2.1 Channel 160W x 2 + 220W Subwoofer | HiFi Stereo Audio

This item:

ARRAROWN Bluetooth Amplifier Board ZK-HT21 2.1 Channel 160W x 2 + 220W Subwoofer | HiFi Stereo Audio

₹6,970

ARRAROWN Bluetooth Amplifier Board ZK-HT21 2.1 Channel 160W x 2 + 220W Subwoofer | HiFi Stereo Audio

This item

ARRAROWN Bluetooth Amplifier Board ZK-HT21 2.1 Channel 160W x 2 + 220W Subwoofer | HiFi Stereo Audio

₹6,970

Total price:

₹96,450

You save ₹37,610 (28%) Extra

3 items selected

3 items

₹96,450

You save ₹37,610 (28%) Extra

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Spec
Price
₹6,970
₹9,480
₹38,350
₹55,650
₹51,130
₹68,930
₹1,20,790
₹1,60,730
₹1,480
₹2,100
₹1,670
₹2,630
₹1,030
₹1,220
Rating
4.20(114)
4.20(432)
4.20(432)
5.00(1)
4.40(247)
4.30(1,504)
4.50(109)
Brand NameARRAROWNCoolpieCoolpieHPTYHJSaipomorUHamn
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹6,970₹9,480

You Save ₹2,510

Estimated doorstep delivery by 2 Nov - 4 Nov from USA
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vs
₹20,910+ (3× the price)
₹6,970 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
Extra pay for Import Duties, GST, and forex fees
One price in INR, no customs charges at delivery
4–12 weeks · No tracking
13-15 days · live tracking
Grey market, no guarantee, no protection, no refund
Sourced from US retailers, India-verified, return available
Lost in transit = ₹0 back
Full protection included