AK45 pro Stereo Amplifiers Home Audio, Stereo Receivers 400W Home 2 Channel Bluetooth 5.0 Power Amplifier System, FM Radio, USB, SD Card, with Remote Control for Home Theater Speakers Studio, Karaoke

Price: $39.99 - $36.99
(as of Sep 09, 2026 01:24:11 UTC – Details)

Product description

1 Front Panel

2 Package List

3 Speaker Connection

Perfect for your home theater acoustic sound system.

2 Microphone Inputs – start your family gatherings and karaoke party time anytime.

Designed with volume, treble and bass control knobs for more delicate adjustment of the sound.

Strong Power Speaker Amplifier Receiver for Home Audio,Garden Party, Outdoor Party, garage,etc.

Suitable for supermarket use, loop play and advertising use

1 Home Theater AMP 2 Karaoke Party 3 Sound Amplifier 4 Outdoor Party 5 Supermarket use

Bass and Treble controls

Fine-tuning Your Audio Experience

Remote Control

The remote control helps you select the input mode and adjust the volume.

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.

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).

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.

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?

Comparison Chart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Customer Reviews

4.2 out of 5 stars 239

4.4 out of 5 stars 107

4.2 out of 5 stars 119

5.0 out of 5 stars 4

4.3 out of 5 stars 289

Price

$49.99$49.99

$39.99$39.99

$39.99$39.99

$59.99$59.99

$23.73$23.73

Channel Type

2.0 Chanel AMP

2.0 Chanel AMP

2.0 Chanel AMP

2.0 Chanel AMP

2.0 Chanel AMP

Rated Power

70W*2

50W*2

100W*2

40W*2

30W*2

Input

BT/USB/RCA/AUX/MIC/OPT/COA

BT/USB/SD/RCA/MIC

BT/USB/AUX

BT/USB

BT/SD/USB/RCA/AUX

Output

Passive Speakers

Passive Speakers

Passive Speakers

Passive Speakers

Passive Speakers

Terminating Impedance

4-16 Ohm

4-16 Ohm

4-16 Ohm

4-16 Ohm

4-8Ohm

AC Working Voltage

110-240V

110-240V

110-240V

110-240V

110-240V

【400W Power】AK45 pro Audio Amplifier is a multi-function home stereo amplifier, compact and powerful, maximum output of 400W. perfectly suitable for 4-16 inch passive speakers.This little BT amplifier which is perfect for karaoke, home theater, and acoustic sound systems. It’s great for small apartments, bedrooms, offices, basements, and garages. Its compact size design fits easily into your bookshelf or A/V cabinets.
【Multiple Input & Multipurpose】 AK45 pro stereo amplifier, with Bluetooth, AUX, MIC,USB input, audio from external devices, such as CD, DVD, TV, PC, computers, tablets, notebooks, phones, MP3, and projectors with AV audio etc, Recommended for home TV audio, computer audio system-game, tower speaker, garden speaker. Small simple compact design also for car audio system.
【Amplifier Home Audio Bluetooth 5.0】Bluetooth amplifier Built-in Bluetooth 5.0 core, no popping sound, no audible noise when establishing Bluetooth connection, designed for customers pursuing HiFi sound quality. (Note: Please keep the distance between the device and the amplifier within 30 feet/10 meters without any wall blocking. But if you connect a TV or PC device, please keep the distance within 15 feet/5 meters.)
【Bass & Treble Control】Designed with volume, treble and bass control knobs for more delicate adjustment of the sound, much fun and high playability. Include controller for distant audio adjustments. Note: There is an isolation plastic sheet at the bottom of the remote control, which needs to be removed before use.
【EQ Controls & Remote Control】 The bluetooth amplifier features clear, responsive buttons for track name/mode/power switcher. Knobs control for microphone volume, bass, treble and master volume. Included remote control allows you to enjoy different music and sounds on your sofa.