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?

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AK45 Pro Stereo Amplifier Home Audio, Stereo Receivers with Bluetooth 5.0,Max 400W, 2.0 Channel Audio Receiver for Home Theater Speakers w/USB/SD/RCA/2 MIC in for Karaok

Product ID: 652992402

Details

Brand
WOOPKER
Item dimensions L x W x H
7.87 x 8.66 x
Manufacturer
WOOPKER
Mounting Type
Freestanding
Voltage
110 volts

🎤Dual mic inputs for karaoke & parties

📶Bluetooth 5.0 wireless connectivity

🔊400W max power output

₩122884

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate your home audio game — because your sound deserves to be heard!

COMPACT YET MIGHTY - Sleek design fits perfectly on your desk or shelf without sacrificing power.
VERSATILE CONNECTIVITY - Supports USB, SD, RCA, AUX, and dual mic inputs for ultimate audio flexibility.
POWER PACKED PERFORMANCE - Delivers a robust 50W x 2 channels with peak 400W output for immersive sound.
SEAMLESS WIRELESS STREAMING - Bluetooth 5.0 ensures quick, stable connection to all your smart devices.
REMOTE CONTROLLED AUDIO MASTERY - Adjust bass, treble, and volume from your couch with the included remote.

The AK45 Pro Stereo Amplifier by WOOPKER is a compact yet powerful 2.0 channel audio receiver delivering up to 400W max output. Featuring Bluetooth 5.0 for seamless wireless streaming, multiple input options including USB, SD, RCA, and dual microphone jacks, it’s perfect for home theaters, karaoke nights, and versatile audio setups. With bass and treble controls plus a remote, it offers professional-grade sound customization in a sleek, space-saving design.

Specifications

ASIN	B0D3TRP1M3
Best Sellers Rank	#12,622 in Electronics ( See Top 100 in Electronics ) #51 in Audio Component Amplifiers
Brand Name	WOOPKER
Customer Reviews	4.4 4.4 out of 5 stars (107)
Included Components	Remote Controller
Item Dimensions	7.87 x 8.66 x 1.97 inches
Manufacturer	WOOPKER
Maximum Output Power	400 watts
Model	AK45 Pro
Mounting Type	Freestanding
Number of Channels	2
Number of Items	5
Output Power	100 watts
Part Number	AK45 PRO
Specification Met	FCC
Voltage	110 volts
Warranty Description	2 Year Manufacturer

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