Mini Amplifier Audio Amplifier Board ZK-AS21 Second Generation 2.1 Channel Module 220W x 2 + 350W Digital Receiver Power DC16-38V High Subwoofer Control USB AUX Etc Inputfor DIY Speakers Home Audio
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Product details
| Management number | 215164376 | Release Date | 2026/04/12 | List Price | US$23.20 | Model Number | 215164376 | ||
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- High-quality sound: High-quality 2.1-channel 220W + 220W + 350W power amplifier board. Equipped with multiple audio input methods such as AUX, U disk, USB sound card, etc. Equipped with treble and bass buttons, you can adjust the treble and bass for stronger bass, clearer treble, and more layered sound, allowing you to enjoy music anytime, anywhere
- [Fully Upgraded]: Based on the first-generation ZK-AS21 amplifier board, it features an enlarged TPA3255 package pad for improved heat dissipation, 330NF safety capacitors for clear sound quality and reduced heat generation, and dedicated digital amplifier inductors with high current and low magnetic loss. For details, see the linked image.
- [220W*2 + 350W High Power Output] This ZK-AS21 audio amplifier delivers 220W output power for both left and right channels and 350W output power for the subwoofer. It can drive two high-power speakers (30-220W, 3-8 ohms) and a subwoofer (30-350W, 2-8 ohms). It is compatible with a DC16-38V/10A power supply or higher. Note: The higher the power supply voltage/current, the greater the output power; the lower the speaker's internal resistance, the greater the output power. The rated power supply should be higher than the actual operating power of the amplifier
- [Protection Function]: This amplifier module is designed with multiple protection mechanisms, including overvoltage protection, undervoltage protection, overheating protection, short circuit protection, and reverse polarity protection. It can automatically recover without restarting, and is equipped with a protective outer casing
- [Product Application]: Home TV audio, computer game audio system, tower speakers, garden speakers. The compact design is also suitable for car audio systems, bedrooms, small offices, basements, garages, and other places.
| Model | ZK-AS21 |
|---|---|
| Brand Name | Ransanx |
| Manufacturer | Ransanx |
| Output Power | 220 Watts |
| Mounting Type | Surface Mount |
| Specification Met | FCC |
| Number of Channels | 3 |
| Included Components | Audio Amplifier Board |
| Maximum Supply Voltage | 38 Volts (DC) |
| Minimum Supply Voltage | 16 Volts (DC) |
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