What is the reason for noise such as current when the amplifier is connected correctly?

Please check that there is no current sound at no load and make sure that the surrounding current signals are not causing interference. Please make sure that all cables are fully pushed into the device, as incomplete connections can cause distortion.

Can the Bluetooth function and the wired connection be used at the same time?

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

Can you connect two devices with bluetooth?

No, connecting two devices at the same time will cause the audio stream to be interrupted. You can only disconnect and then connect to another device.

When the Bluetooth connection is unstable, try the following steps to fix it.

1. Make sure there are no obstacles (especially metal) blocking the signal. 2. Switch off the amplifier, disconnect and clear the connection of the Bluetooth transmission device, and then try to reconnect.

Why does only one channel work?

The amplifier is not intended to be used alone, it needs to be used with other electronic equipment, so it needs to be troubleshot on a case-by-case basis! Make sure that the positive and negative wires connecting the speakers are connected together!

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Stereo Home Audio Amplifier Receiver AK45, 400W Bluetooth 5.0 HiFi Stereo Power Amplifier 2.0 Channel RMS 40W x 2 Home Audio System with Remote Control Amp W/MIC,USB,RCA,FM Radio

Stereo Home Audio Amplifier Receiver AK45, 400W Bluetooth 5.0 HiFi Stereo Power Amplifier 2.0 Channel RMS 40W x 2 Home Audio System with Remote Control Amp W/MIC,USB,RCA,FM Radio

Product ID: 654581980

Details

Audio Output Mode
Stereo
Brand
JIAATGA
Color
AK45
Compatible Devices
Smartphone
Connectivity Technology
Bluetooth USB
Connector Type
RCA USB

📶Bluetooth 5.0 Stable Range 30ft

🔊40W x 2 RMS Power

🎛️Bass & Treble Adjustable

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VT16347

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Description

🎶 Elevate your sound game — don’t just listen, live it!

CUSTOMIZABLE SOUND CONTROL - Fine-tune your audio with dedicated bass, treble, and master volume knobs plus 6 built-in EQ presets.
POWERFUL 2 0 CHANNEL OUTPUT - Experience crisp, room-filling sound with 40W per channel, perfect for 4-16Ω passive speakers.
VERSATILE MULTI INPUT SUPPORT - Connect via USB, RCA, FM radio, or microphone input for a truly all-in-one home audio experience.
CONVENIENT REMOTE CONTROL ACCESS - Adjust settings and switch modes from your couch, making every listening session effortlessly stylish.
SEAMLESS BLUETOOTH 5 0 CONNECTIVITY - Effortlessly stream your favorite playlists with stable, lossless wireless audio up to 30 feet away.

The AK45 Stereo Home Audio Amplifier Receiver delivers 40W x 2 RMS power through a 2.0 channel digital amplifier with Bluetooth 5.0 for stable wireless streaming. It features adjustable bass and treble controls, multiple input options including USB, RCA, FM radio, and microphone, plus a remote control for easy operation. Compact yet powerful, it’s designed to enhance your home audio setup with HiFi sound quality and versatile connectivity.

Reviews

T**E

31.01.2026

M**.

23.06.2025

B**B

27.10.2025

T**K

14.11.2025

K**.

3.11.2025

B**A

25.04.2026

J**L

6.03.2025

E**S

19.04.2025

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Best Sellers Rank	#22,905 in Electronics ( See Top 100 in Electronics ) #117 in Audio Component Amplifiers
Customer Reviews	4.1 out of 5 stars 128 Reviews

Stereo Home Audio Amplifier Receiver AK45, 400W Bluetooth 5.0 HiFi Stereo Power Amplifier 2.0 Channel RMS 40W x 2 Home Audio System with Remote Control Amp W/MIC,USB,RCA,FM Radio

Details

Details

Description

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Reviews

Common Questions