Digital Power Amplifier Subwoofer Audio Amp Board Bluetooth 5.0 HiFi 2.1 Channel

Description

Product name: 2.1 channel bluetooth audio power amplifier module Product model: ZK-AS21 Number of channels: 2.1 channels (left channel + right channel + subwoofer) Input method: AUX+Bluetooth+U disk+USB sound card (dial button to switch modes and songs) Bluetooth version: 5.1 Power amplifier chip: TPA3251D2 Adapter speakers: left and right channels 30-220W, 3-8Ω subwoofer 30-350W 2-8Ω Output power: left and right channels ≤ 220w subwoofer ≤ 350W Adapter power supply: DC 12~38v, ≥10A Protection mechanism: anti-reverse connection, undervoltage, overheating, overcurrent, short circuit protection (automatic recovery, no need to restart) Switch mode: mechanical switch (no need to long press and wait)
Digital Power Amplifier Subwoofer Audio Amp Board Bluetooth 5.0 HiFi 2.1 Channel
Bluetooth Power Amplifier Board Stereo - HiFi 2.1 Channel 2X220W+350W Bluetooth 5.1 Audio Amplifier Board 12-38V Digital Power Amplifier Module Subwoofer Control with AUX/Bluetooth/USB Flash Drive
US STOCK+Fast Delivery
About this item
【HI-FI & Stereo】High quality 2.1 channel 220W+220W+350W Bluetooth 5.1 power amplifier board. With AUX, Bluetooth, U disk, USB sound card a variety of audio input methods. With two output modes of active and passive speakers, you can enjoy the music you want anytime, anywhere
[New upgrade] The Bluetooth 5.1 power amplifier board supports APP control, and you can modify the Bluetooth name and password settings. The 5.1 Bluetooth version has settings such as adjustable sound volume, turn on/off sound, and timed shutdown. Comes with 10 natural sleep songs, up to 1023 sound combinations. Not only can you display the playlist of the USB flash drive, but you can also shake the phone to change songs or use the dial/mode button to switch songs
【TPA3251D2 power amplifier chip】The power amplifier board uses 2 TPA3251D2 chips from Texas Instruments. It is a high-performance class D power amplifier, which has class D efficiency and can bring true high-end sound quality. The device features an advanced integrated feedback design and proprietary high-speed gate driver error correction. This technology enables the device to maintain ultra-low distortion across the entire audio frequency band while delivering high-definition sound quality
【Super Compatibility】5.1 Bluetooth version, higher transmission efficiency, more stable, and longer transmission distance. In open spaces, the wireless range is up to 15 meters (49 feet). Can be widely used in various devices such as tablet computers, PCs, TVs, smartphones, notebook computers, etc
【Safety Protection】The amplifier board has short circuit, overcurrent, overheating and anti-static protection to prevent complete failure. When overloaded, the device reports a fault condition to the processor to protect itself from damage
Product Description
HiFi 2.1 Channel 2X220W+350W Bluetooth 5.1 Audio Amplifier Board
Name: 2.1 channel BT power amplifier
Channel: 2.1 channel (left channel+ right channel+subwoofer)
BT Version: 5.1
Model:ZK-AS21
Audio input: BT+AUX+USB+USB sound card(dial wheel key to switch mode and song)
Chip Solution:TPA3251D2
Adaptive power supply: DC12~38V, ≥10A
Output power: R&L channel≤220W subwoofer≤350W
Voltage gain:30dB
Size:141*131*27mm
Adaptive speaker: L&R channels30-220W,3-8Ω subwoofer 30-350W, 2-8Ω
Protection Mechanism: Protection against reverse connec- tion,undervoltage,overheating, overcurrent and short circuit (automatic recovery without restart)
Tip:
Only when the audio signal input is large enough and the power supply voltage/current is large enough, will there be enough output power!
The higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power!
Please make sure that the power of the adapted power supply is greater than the actual working power of the power amplifier!
Bluetooth 5.1
Bluetooth 5.1 chip has stronger compatibility and stability
15m transmits strong signal
15m transmission signal is stable without delay
Lead and Subwoofer
Enjoy your desired musical tone
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2.Our warranty does not extended to any products that are physically damaged or that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user's part.
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