2.1 Channel Power Amplifier – ZK-HT21

Optimize Your Audio Experience with the ZK-HT21 Power Amplifier

The ZK-HT21 is engineered to enhance your audio setup, delivering superior sound quality and performance. This amplifier is ideal for audiophiles seeking a reliable solution for their home theater or music system, ensuring that every note is crisp and clear.

Key Features:

• Silent Cooling System: Equipped with a silent fan to effectively lower the module’s temperature, this feature protects critical components like the power supply and amplifier chip from overheating, thereby maintaining sound quality over extended use.

• User-Friendly Dial Controls: The intuitive dial keys allow for effortless operation, making it easy to adjust settings on-the-fly.

• Advanced Bluetooth Connectivity: Utilizing Bluetooth version 5.0 (with a range of up to 15 meters), enjoy seamless wireless audio streaming without interruptions.

• Versatile Input Options: Supports AUX, Bluetooth, and USB inputs; easily switch between modes and tracks using the dial-wheel button.

• Powerful Output Channels: Features a robust 2.1 channel configuration (left + right + subwoofer) for an immersive listening experience.

• High-Efficiency Amplifier Chip: Powered by TDA7498E technology for enhanced performance and reliability.

• Flexible Power Supply Compatibility: Accepts DC input ranging from 15V to 36V; includes undervoltage protection below 9V while also supporting a standard 12V power supply.

• Speaker Adaptability: Compatible with speakers rated between 30W to 200W at impedances of 4–8 ohms.

• Impressive Output Ratings:

– Left/Right Channels: Up to less than 160W
– Subwoofer Channel: Up to less than 220W

• Comprehensive Protection Mechanisms:

– Anti-reverse connection
– Under-voltage protection
– Overheating safeguards
– Short-circuit prevention

Specifications:

| Specification | Details |
|———————–|———————————-|
| Dimensions | Approximately 14.5 x 12.6 x 2.8 cm |
| Weight | About 327g |
| Package Weight | One package weighs approximately |
| | 0.41 kg / 0.90 lb |
| Package Size | 16cm x 14cm x 4cm |
| Quantity per Carton | 50 units |
| Carton Weight | Approximately 21.10 kg / 46.52 lb|
| Carton Size | 50cm x 38cm x *30cm |

Important Notes:

1. Optimal output power requires sufficient audio signal input along with adequate voltage/current from the power supply.
2. Higher voltage leads to increased output power; ensure that your power supply exceeds the actual working requirements of the amplifier for best results.

This powerful amplifier not only enhances your audio experience but also ensures long-term stability through its advanced cooling system and protective features—making it an essential addition for any serious music enthusiast or home theater setup.

Shipping
This product ships From China using different shipping carriers depending on the country you purchase from and will be delivered within 7–21 business days. 

Payments
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Returns And Refunds
Sometimes we may require you to return the item to receive a refund in uncommon situations if it arrives defective or if you did not receive it due to shipping carrier issues etc., you can request a full refund via your original payment method or alternatives such as PayPal or cryptocurrencies by contacting us through WhatsApp, email or contact form.Read our full Returns and Refunds Policy here

How To Place An Order and common questions:
FAQ Page – Obd2 Technology