Why is the sound so low when connected to a phonograph?

Our product lacks a PHONO input. To connect a phonograph, you’ll need an external preamp (not included). Direct RCA connection is not recommended.

Why are the volume and sound quality not as good as expected?

1. Speaker Connection: Ensure your speakers match the amplifier's output. 25W RMS per channel.

Bluetooth is hard to set up and the remote doesn't control volume.

1. Bluetooth needs to select "bluetooth mode" before connecting.

Unable to connect to antenna to listen to radio.

To use the FM feature, simply select FM mode—no antenna is needed. However, an adapter (not included) is required if you choose to connect an antenna.

Product stopped working.

1. The product is connected to a power source（AC：100-120V / 60Hz）

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🎶 Elevate Your Sound Experience!

KARAOKE READY - Dual mic inputs with independent controls for unforgettable karaoke nights.
VERSATILE INPUTS - Multiple audio sources including USB, SD, RCA, and FM for endless entertainment.
UNLEASH THE POWER - Experience a staggering 440W peak power, perfect for up to 8 speakers!
USER FRIENDLY DESIGN - HD LED screen and remote control for effortless audio management.
SEAMLESS CONNECTIVITY - Bluetooth 5.0 ensures crystal-clear audio up to 40 feet away.

The Donner Bluetooth 5.0 Stereo Audio Amplifier Receiver delivers an impressive 440W peak power across 4 channels, allowing for high-quality audio across multiple speakers. With versatile input options including Bluetooth, USB, SD, and RCA, it caters to all your audio needs. The dual mic interfaces make it perfect for karaoke and events, while the HD LED screen and remote control enhance user convenience.