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

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 wireless range 40ft

🔊300Wx2 max power output

🎛️Multi-input: RCA, USB, AUX, FM

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Description

🎧 Small Size, Big Sound — Amplify Your Space, Amplify Your Life!

COMPACT POWERHOUSE - Fits in your palm but delivers room-filling 300Wx2 output for immersive sound anywhere.
PLUG PLAY SIMPLICITY - Effortless setup with broad device compatibility—perfect for home, office, or on-the-go audiophiles.
VERSATILE CONNECTIVITY - Supports RCA, USB, AUX, FM, and Bluetooth inputs for ultimate device compatibility.
PRECISION AUDIO CONTROL - Fine-tune bass, treble, and balance with intuitive knobs and remote control for your perfect sound.
SEAMLESS WIRELESS STREAMING - Bluetooth 5.0 ensures stable, lag-free music up to 40 feet—ditch the cables, keep the vibe.

The Sunbuck AS-22BU Mini Amplifier is a compact yet powerful 2-channel stereo amplifier delivering up to 300Wx2 max output. Equipped with Bluetooth 5.0 for wireless streaming up to 40 feet, it supports multiple inputs including RCA, USB, AUX, and FM radio. Designed for seamless compatibility with smartphones, PCs, and home audio systems, it features easy-to-use tone controls and remote volume adjustment, making it the perfect audio upgrade for small spaces and multi-device setups.

Specifications

ASIN	B0CDG65Y9M
Best Sellers Rank	#47,266 in Electronics ( See Top 100 in Electronics ) #282 in Audio Component Amplifiers
Customer Reviews	4.2 4.2 out of 5 stars (468)
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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