Description: Menu Other Items Feedbacks About Us Contact Us Add To Favorites 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 【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 amplifierChannel: 2.1 channel (left channel+ right channel+subwoofer)BT Version: 5.1Model:ZK-AS21Audio input: BT+AUX+USB+USB sound card(dial wheel key to switch mode and song)Chip Solution:TPA3251D2Adaptive power supply: DC12~38V, ≥10AOutput power: R&L channel≤220W subwoofer≤350W Voltage gain:30dBSize:141*131*27mmAdaptive speaker: L&R channels30-220W,3-8Ω subwoofer 30-350W, 2-8ΩProtection 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 Item Specification Item model number ZK-AS21 Mounting Type Surface Mount Number of Channels 2 Voltage 38 Volts Package Dimensions 6.3 x 6.02 x 2.05 inches; 14.07 Ounces Dimensions Shipping Returns Additional Info Product Dimensions: 6.02 inches x 6.3 inches x 2.05 inches. Weight: 14.07 oz Fast shipping is very important for us. Our standard shipping service is FREE. Your order will be shipped within 1-3 business days upon full payment received. Most items are delivered within 3-5 business days, however, please allow 3-10 business days. We are shipping only to USA. We only ship to the confirmed Paypal address. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. We offer a 30 day return policy from checkout winning date. Your satisfaction is guaranteed! If for any reason you are unhappy with your item, just return it within 30 days for a full refund, minus shipping cost. Please contact us prior to initiating a return so that we can issue you a refund authorization. Items defective upon receipt must be packaged in their retail packaging as if new and returned with a detailed description of the problem. Return shipping fees are not refundable. We reserve the right to decline any returns if the above guidelines are not followed. All of our items, unless otherwise stated, will only run on 120 volts. Please check to make sure your country complies with these specifications. If you have a problem or question regarding your transaction please contact us before leaving any type of feedback. We will work with you to resolve any problem you may have.
Price: 64.99 USD
Location: Denver, Colorado
End Time: 2024-12-21T15:18:43.000Z
Shipping Cost: 0 USD
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Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
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Item model number: ZK-AS21
Mounting Type: Surface Mount
Number of Channels: 2
Voltage: 38 Volts
Package Dimensions: 6.3 x 6.02 x 2.05 inches; 14.07 Ounces