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

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.

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?

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.

Can bluetooth function and wired connection be used simultaneously?

Please note that the Bluetooth function and the wired function cannot be used at the same time, so when you want to use the amplifier via the Bluetooth function, do not connect any devices to the jacks (except the microphone jack).

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Amplifier Home Audio Stereo Receivers with Bluetooth 5.0,Power Amplifier 400Wx2,2.0 Channel Stereo Amplifier System for Home Speakers, Karaoke,Garage,Home Amp/USB/SD/RCA/MIC in, Remote Control

Amplifier Home Audio Stereo Receivers with Bluetooth 5.0,Power Amplifier 400Wx2,2.0 Channel Stereo Amplifier System for Home Speakers, Karaoke,Garage,Home Amp/USB/SD/RCA/MIC in, Remote Control

Product ID: 691252435

Details

Brand
Joengoep
Compatible devices
Speaker
Connectivity technology
RCA Bluetooth
Controller type
Remote Control
Special features
RCA

📶Bluetooth 5.0 stable connection

🔊400W x 2 peak power

🎛️Adjustable bass & treble controls

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Description

🎶 Elevate your space with sound that commands attention!

COMPACT MULTI USE - Sleek design fits anywhere—perfect for home theaters, karaoke nights, or office vibes.
POWERHOUSE PERFORMANCE - Unleash 400W x 2 peak power for immersive sound that fills any room.
SEAMLESS BLUETOOTH 5 0 - Experience crystal-clear, lag-free wireless streaming from all your devices.
VERSATILE CONNECTIVITY - Plug in via USB, SD, AUX, MIC, or RCA—your audio, your way.
CUSTOMIZABLE SOUNDSCAPE - Fine-tune bass, treble, and volume with intuitive knobs and remote control.

The Joengoep BT-298Pro is a compact 2.0 channel stereo amplifier delivering up to 400W x 2 peak power with Bluetooth 5.0 connectivity. Designed for 4-16Ω passive speakers, it supports multiple inputs including USB, SD, AUX, MIC, and RCA. Adjustable bass, treble, and volume controls with remote make it ideal for home, office, or party use.

Specifications

ASIN	B0DCZD9W2G
Audio Output Mode	Stereo
Audio Output Type	Speakers
Brand	Joengoep
Built-In Media	AC110V Plug, BT-298 Pro Amplifier, Remote Controller, User Manual
Color	Black
Compatible Devices	Speaker
Connectivity Technology	RCA, Bluetooth, Auxiliary, USB
Connector Type	USB
Control Method	Remote
Controller Type	Remote Control
Customer Reviews	4.2 4.2 out of 5 stars (153)
Format	WMA
Item Dimensions D x W x H	18D x 13.7W x 5.5H centimeters
Item Weight	2.6 Pounds
Manufacturer	Joengoep
Model Number	BT-298Pro Stereo Audio Amplifier
Number of Channels	2
Other Special Features of the Product	RCA
Output Power	800 Watts
Output Wattage	800 Watts
Surround Sound Channel Configuration	2 Channel
Wattage	50 watts
Wireless Technology	Bluetooth

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