Title: Features of the MAOZUA Bluetooth Hifi Stereo Amplifier:

- Mini HIFI digital bluetooth audio power amplifier.
- Supports SD Card, U disk, and MP3 format play, with Bluetooth wireless connectivity.
- Accommodates 2 wired microphones and 1 wireless microphone input.
- Features FM stereo radio capability.
- Offers 5-channel output for connecting 2 pairs of speakers below 10 inches.
- Dazzling front panel with colourful lights for a cool aesthetic.
- Easy-to-use treble, bass, and volume control.
- Low distortion for clearer, stronger, and more powerful sound.
- Upgraded to high-power 2500W for impressive performance.
- Includes remote control function.
- Suitable for home use, HiFi systems, home theatre, and karaoke.

Specifications:
- Maximum Power Per Channel: 100W
- Channels: 5 (4.1)
- Power: 110V-240V 50Hz
- Frequency response: 20Hz-20KHz (+/-10dB)
- Input sensitivity: 150mV
- Load impedance: 4 to 16 ohms
- Colour: Black/Golden
- Power Amplifier Type: AV Power Amplifier
- Material: Metal
- Channel: 5.0 Channel
- Power: Max 2500W
- Voltage: AC220V-240V/50Hz
- Signal to Noise Ratio: 90dB
- Standard Impedance: 4 to 16Ω
- Rated Frequency: 20KHz-20KHz
- Total Harmonic Distortion: ≤ 0.5%

Package includes:
- 1 x AV-555BT Audio Power Amplifier
- 1 x Remote Control
- 1 x FM Antenna
- 1 x User Manual
- 1 x 32GB USB Card (gift)

Important notes for customers:
1. Ensure to select the correct voltage specification (110V or 220V) based on your country to avoid damage to the amplifier.
2. The 628BT model now features a built-in Bluetooth version, with no external Bluetooth included in the new version.