The power amplifier is connected correctly, why is there noise such as electric current?

Please check whether there is current sound when no load. And confirm that the surrounding current signals will not cause interference. Please make sure all the cable completely pushed into the device, incompletely connections will create distorted.

Why only one channel work ? Is it defective?

Since the amplifier is not used alone, it needs to be used together with other electronic equipment, so it needs to be ruled out one by one! Are the positive and negative wires connected to the speaker connected together?

If you find that the Bluetooth connection is unstable, you can try the following steps to solve it.

Make sure there are no obstacles (especially metals) blocking the signal. Turn off the power amplifier, disconnect and clear the connection of the Bluetooth transmitting device, and try to reconnect.

Can you connect two devices with bluetooth?

No, connecting two at the same time will cause the audio stream to be disrupted. It can only be disconnected and then connected to other devices.

How to connect to a bluetooth speaker?

The Bluetooth speaker is a Bluetooth receiver, which is the same as the Bluetooth function of the power amplifier, and the Bluetooth speaker already has a small power amplifier, which may cause burn-in after being amplified by other power amplifiers.

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Sunbuck Mini Amplifier, 2 Channel Stereo Amplifier, Power Amplifier Max 300Wx2 Output, Bluetooth Amplifier for Home Speakers, Stereo Receiver with RCA/USB/FM/AUX, Mini Amplifier for Speakers, AS-22

Product ID: 553441493

📶Bluetooth 5.0 with 40ft range

🔊300Wx2 max power output

🎛️Multi-input: RCA, USB, AUX, FM

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Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Small size, massive sound — amplify your vibe anywhere!

COMPACT POWERHOUSE - Mini size, max sound impact for any space
VERSATILE CONNECTIVITY - Supports RCA, USB, AUX, FM for all your devices
PRECISION SOUND CONTROL - Adjust bass, treble, balance & volume with ease
UNIVERSAL COMPATIBILITY - Works flawlessly with smartphones, TVs, laptops & more
SEAMLESS WIRELESS STREAMING - Bluetooth 5.0 delivers crisp audio up to 40 feet

The Sunbuck Mini Amplifier AS-22 packs a powerful 300Wx2 output into a compact design the size of a cell phone. Featuring Bluetooth 5.0 with a 40-foot wireless range, multiple input options including RCA, USB, AUX, and FM radio, it offers versatile connectivity for home, office, or outdoor use. With precise control over bass, treble, balance, and volume, plus remote control functionality, it’s the perfect stereo amplifier for millennials seeking high-quality sound in a sleek, space-saving package.

Specifications

ASIN	B0CDG65Y9M
Best Sellers Rank	#33,285 in Electronics ( See Top 100 in Electronics ) #184 in Audio Component Amplifiers
Customer Reviews	4.2 4.2 out of 5 stars (469)
Date First Available	August 2, 2023
Is Discontinued By Manufacturer	No
Item Weight	1.39 pounds
Item model number	AS-22
Manufacturer	JS Electronics Limited
Product Dimensions	5.12 x 2.95 x 1.38 inches

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